+=encoding utf8
+
=head1 NAME
perlebcdic - Considerations for running Perl on EBCDIC platforms
An exploration of some of the issues facing Perl programmers
on EBCDIC based computers. We do not cover localization,
-internationalization, or multi byte character set issues other
+internationalization, or multi-byte character set issues other
than some discussion of UTF-8 and UTF-EBCDIC.
Portions that are still incomplete are marked with XXX.
+Perl used to work on EBCDIC machines, but there are now areas of the code where
+it doesn't. If you want to use Perl on an EBCDIC machine, please let us know
+by sending mail to perlbug@perl.org
+
=head1 COMMON CHARACTER CODE SETS
=head2 ASCII
integers running from 0 to 127 (decimal) that imply character
interpretation by the display and other systems of computers.
The range 0..127 can be covered by setting the bits in a 7-bit binary
-digit, hence the set is sometimes referred to as a "7-bit ASCII".
+digit, hence the set is sometimes referred to as "7-bit ASCII".
ASCII was described by the American National Standards Institute
document ANSI X3.4-1986. It was also described by ISO 646:1991
(with localization for currency symbols). The full ASCII set is
=head2 EBCDIC
The Extended Binary Coded Decimal Interchange Code refers to a
-large collection of slightly different single and multi byte
-coded character sets that are different from ASCII or ISO 8859-1
-and typically run on host computers. The EBCDIC encodings derive
-from 8 bit byte extensions of Hollerith punched card encodings.
-The layout on the cards was such that high bits were set for the
-upper and lower case alphabet characters [a-z] and [A-Z], but there
-were gaps within each Latin alphabet range.
+large collection of single- and multi-byte coded character sets that are
+different from ASCII or ISO 8859-1 and are all slightly different from each
+other; they typically run on host computers. The EBCDIC encodings derive from
+8-bit byte extensions of Hollerith punched card encodings. The layout on the
+cards was such that high bits were set for the upper and lower case alphabet
+characters [a-z] and [A-Z], but there were gaps within each Latin alphabet
+range.
Some IBM EBCDIC character sets may be known by character code set
-identification numbers (CCSID numbers) or code page numbers. Leading
-zero digits in CCSID numbers within this document are insignificant.
-E.g. CCSID 0037 may be referred to as 37 in places.
+identification numbers (CCSID numbers) or code page numbers.
Perl can be compiled on platforms that run any of three commonly used EBCDIC
character sets, listed below.
Character code set ID 0037 is a mapping of the ASCII plus Latin-1
characters (i.e. ISO 8859-1) to an EBCDIC set. 0037 is used
in North American English locales on the OS/400 operating system
-that runs on AS/400 computers. CCSID 37 differs from ISO 8859-1
+that runs on AS/400 computers. CCSID 0037 differs from ISO 8859-1
in 237 places, in other words they agree on only 19 code point values.
=head2 1047
In EBCDIC, for the low 256 the EBCDIC code points are used. This
means that the equivalences
- pack("U", ord($character)) eq $character
- unpack("U", $character) == ord $character
+ pack("U", ord($character)) eq $character
+ unpack("U", $character) == ord $character
will hold. (If Unicode code points were applied consistently over
all the possible code points, pack("U",ord("A")) would in EBCDIC
mentioned above.)
For example, the ordinal value of 'A' is 193 in most EBCDIC code pages,
and also is 193 when encoded in UTF-EBCDIC.
-All other code points occupy at least two bytes when encoded.
+All variant code points occupy at least two bytes when encoded.
In UTF-8, the code points corresponding to the lowest 128
ordinal numbers (0 - 127: the ASCII characters) are invariant.
In UTF-EBCDIC, there are 160 invariant characters.
Encode knows about more EBCDIC character sets than Perl can currently
be compiled to run on.
- use Encode 'from_to';
+ use Encode 'from_to';
- my %ebcdic = ( 176 => 'cp37', 95 => 'cp1047', 106 => 'posix-bc' );
+ my %ebcdic = ( 176 => 'cp37', 95 => 'cp1047', 106 => 'posix-bc' );
- # $a is in EBCDIC code points
- from_to($a, $ebcdic{ord '^'}, 'latin1');
- # $a is ISO 8859-1 code points
+ # $a is in EBCDIC code points
+ from_to($a, $ebcdic{ord '^'}, 'latin1');
+ # $a is ISO 8859-1 code points
and from Latin-1 code points to EBCDIC code points
- use Encode 'from_to';
+ use Encode 'from_to';
- my %ebcdic = ( 176 => 'cp37', 95 => 'cp1047', 106 => 'posix-bc' );
+ my %ebcdic = ( 176 => 'cp37', 95 => 'cp1047', 106 => 'posix-bc' );
- # $a is ISO 8859-1 code points
- from_to($a, 'latin1', $ebcdic{ord '^'});
- # $a is in EBCDIC code points
+ # $a is ISO 8859-1 code points
+ from_to($a, 'latin1', $ebcdic{ord '^'});
+ # $a is in EBCDIC code points
For doing I/O it is suggested that you use the autotranslating features
of PerlIO, see L<perluniintro>.
open($f, ">:encoding(utf8)", "test.utf8");
print $f "Hello World!\n";
-to get four files containing "Hello World!\n" in ASCII, CP 37 EBCDIC,
+to get four files containing "Hello World!\n" in ASCII, CP 0037 EBCDIC,
ISO 8859-1 (Latin-1) (in this example identical to ASCII since only ASCII
characters were printed), and
UTF-EBCDIC (in this example identical to normal EBCDIC since only characters
corresponding to I<The Unicode Standard, Version 3.0> albeit with
substitutions such as s/LATIN// and s/VULGAR// in all cases,
s/CAPITAL LETTER// in some cases, and s/SMALL LETTER ([A-Z])/\l$1/
-in some other cases (the C<charnames> pragma names unfortunately do
-not list explicit names for the C0 or C1 control characters). The
-"names" of the C1 control set (128..159 in ISO 8859-1) listed here are
-somewhat arbitrary. The differences between the 0037 and 1047 sets are
+in some other cases. The "names" of the controls listed here are
+the Unicode Version 1 names, except for the few that don't have names, in which
+case the names in the Wikipedia article were used
+(L<http://en.wikipedia.org/wiki/C0_and_C1_control_codes>).
+The differences between the 0037 and 1047 sets are
flagged with ***. The differences between the 1047 and POSIX-BC sets
are flagged with ###. All ord() numbers listed are decimal. If you
would rather see this table listing octal values then run the table
=back
- perl -ne 'if(/(.{33})(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/)' \
- -e '{printf("%s%-9o%-9o%-9o%o\n",$1,$2,$3,$4,$5)}' perlebcdic.pod
+ perl -ne 'if(/(.{43})(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/)' \
+ -e '{printf("%s%-9.03o%-9.03o%-9.03o%.03o\n",$1,$2,$3,$4,$5)}' \
+ perlebcdic.pod
If you want to retain the UTF-x code points then in script form you
might want to write:
=back
- open(FH,"<perlebcdic.pod") or die "Could not open perlebcdic.pod: $!";
- while (<FH>) {
- if (/(.{33})(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\.?(\d*)\s+(\d+)\.?(\d*)/) {
- if ($7 ne '' && $9 ne '') {
- printf("%s%-9o%-9o%-9o%-9o%-3o.%-5o%-3o.%o\n",$1,$2,$3,$4,$5,$6,$7,$8,$9);
- }
- elsif ($7 ne '') {
- printf("%s%-9o%-9o%-9o%-9o%-3o.%-5o%o\n",$1,$2,$3,$4,$5,$6,$7,$8);
- }
- else {
- printf("%s%-9o%-9o%-9o%-9o%-9o%o\n",$1,$2,$3,$4,$5,$6,$8);
- }
- }
- }
+ open(FH,"<perlebcdic.pod") or die "Could not open perlebcdic.pod: $!";
+ while (<FH>) {
+ if (/(.{43})(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\.?(\d*)\s+(\d+)\.?(\d*)/)
+ {
+ if ($7 ne '' && $9 ne '') {
+ printf(
+ "%s%-9.03o%-9.03o%-9.03o%-9.03o%-3o.%-5o%-3o.%.03o\n",
+ $1,$2,$3,$4,$5,$6,$7,$8,$9);
+ }
+ elsif ($7 ne '') {
+ printf("%s%-9.03o%-9.03o%-9.03o%-9.03o%-3o.%-5o%.03o\n",
+ $1,$2,$3,$4,$5,$6,$7,$8);
+ }
+ else {
+ printf("%s%-9.03o%-9.03o%-9.03o%-9.03o%-9.03o%.03o\n",
+ $1,$2,$3,$4,$5,$6,$8);
+ }
+ }
+ }
If you would rather see this table listing hexadecimal values then
run the table through:
=back
- perl -ne 'if(/(.{33})(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/)' \
- -e '{printf("%s%-9X%-9X%-9X%X\n",$1,$2,$3,$4,$5)}' perlebcdic.pod
+ perl -ne 'if(/(.{43})(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/)' \
+ -e '{printf("%s%-9.02X%-9.02X%-9.02X%.02X\n",$1,$2,$3,$4,$5)}' \
+ perlebcdic.pod
Or, in order to retain the UTF-x code points in hexadecimal:
=back
- open(FH,"<perlebcdic.pod") or die "Could not open perlebcdic.pod: $!";
- while (<FH>) {
- if (/(.{33})(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\.?(\d*)\s+(\d+)\.?(\d*)/) {
- if ($7 ne '' && $9 ne '') {
- printf("%s%-9X%-9X%-9X%-9X%-2X.%-6X%-2X.%X\n",$1,$2,$3,$4,$5,$6,$7,$8,$9);
- }
- elsif ($7 ne '') {
- printf("%s%-9X%-9X%-9X%-9X%-2X.%-6X%X\n",$1,$2,$3,$4,$5,$6,$7,$8);
- }
- else {
- printf("%s%-9X%-9X%-9X%-9X%-9X%X\n",$1,$2,$3,$4,$5,$6,$8);
- }
- }
- }
-
-
- incomp- incomp-
- 8859-1 lete lete
- chr 0819 0037 1047 POSIX-BC UTF-8 UTF-EBCDIC
- ------------------------------------------------------------------------------------
- <NULL> 0 0 0 0 0 0
- <START OF HEADING> 1 1 1 1 1 1
- <START OF TEXT> 2 2 2 2 2 2
- <END OF TEXT> 3 3 3 3 3 3
- <END OF TRANSMISSION> 4 55 55 55 4 55
- <ENQUIRY> 5 45 45 45 5 45
- <ACKNOWLEDGE> 6 46 46 46 6 46
- <BELL> 7 47 47 47 7 47
- <BACKSPACE> 8 22 22 22 8 22
- <HORIZONTAL TABULATION> 9 5 5 5 9 5
- <LINE FEED> 10 37 21 21 10 21 ***
- <VERTICAL TABULATION> 11 11 11 11 11 11
- <FORM FEED> 12 12 12 12 12 12
- <CARRIAGE RETURN> 13 13 13 13 13 13
- <SHIFT OUT> 14 14 14 14 14 14
- <SHIFT IN> 15 15 15 15 15 15
- <DATA LINK ESCAPE> 16 16 16 16 16 16
- <DEVICE CONTROL ONE> 17 17 17 17 17 17
- <DEVICE CONTROL TWO> 18 18 18 18 18 18
- <DEVICE CONTROL THREE> 19 19 19 19 19 19
- <DEVICE CONTROL FOUR> 20 60 60 60 20 60
- <NEGATIVE ACKNOWLEDGE> 21 61 61 61 21 61
- <SYNCHRONOUS IDLE> 22 50 50 50 22 50
- <END OF TRANSMISSION BLOCK> 23 38 38 38 23 38
- <CANCEL> 24 24 24 24 24 24
- <END OF MEDIUM> 25 25 25 25 25 25
- <SUBSTITUTE> 26 63 63 63 26 63
- <ESCAPE> 27 39 39 39 27 39
- <FILE SEPARATOR> 28 28 28 28 28 28
- <GROUP SEPARATOR> 29 29 29 29 29 29
- <RECORD SEPARATOR> 30 30 30 30 30 30
- <UNIT SEPARATOR> 31 31 31 31 31 31
- <SPACE> 32 64 64 64 32 64
- ! 33 90 90 90 33 90
- " 34 127 127 127 34 127
- # 35 123 123 123 35 123
- $ 36 91 91 91 36 91
- % 37 108 108 108 37 108
- & 38 80 80 80 38 80
- ' 39 125 125 125 39 125
- ( 40 77 77 77 40 77
- ) 41 93 93 93 41 93
- * 42 92 92 92 42 92
- + 43 78 78 78 43 78
- , 44 107 107 107 44 107
- - 45 96 96 96 45 96
- . 46 75 75 75 46 75
- / 47 97 97 97 47 97
- 0 48 240 240 240 48 240
- 1 49 241 241 241 49 241
- 2 50 242 242 242 50 242
- 3 51 243 243 243 51 243
- 4 52 244 244 244 52 244
- 5 53 245 245 245 53 245
- 6 54 246 246 246 54 246
- 7 55 247 247 247 55 247
- 8 56 248 248 248 56 248
- 9 57 249 249 249 57 249
- : 58 122 122 122 58 122
- ; 59 94 94 94 59 94
- < 60 76 76 76 60 76
- = 61 126 126 126 61 126
- > 62 110 110 110 62 110
- ? 63 111 111 111 63 111
- @ 64 124 124 124 64 124
- A 65 193 193 193 65 193
- B 66 194 194 194 66 194
- C 67 195 195 195 67 195
- D 68 196 196 196 68 196
- E 69 197 197 197 69 197
- F 70 198 198 198 70 198
- G 71 199 199 199 71 199
- H 72 200 200 200 72 200
- I 73 201 201 201 73 201
- J 74 209 209 209 74 209
- K 75 210 210 210 75 210
- L 76 211 211 211 76 211
- M 77 212 212 212 77 212
- N 78 213 213 213 78 213
- O 79 214 214 214 79 214
- P 80 215 215 215 80 215
- Q 81 216 216 216 81 216
- R 82 217 217 217 82 217
- S 83 226 226 226 83 226
- T 84 227 227 227 84 227
- U 85 228 228 228 85 228
- V 86 229 229 229 86 229
- W 87 230 230 230 87 230
- X 88 231 231 231 88 231
- Y 89 232 232 232 89 232
- Z 90 233 233 233 90 233
- [ 91 186 173 187 91 173 *** ###
- \ 92 224 224 188 92 224 ###
- ] 93 187 189 189 93 189 ***
- ^ 94 176 95 106 94 95 *** ###
- _ 95 109 109 109 95 109
- ` 96 121 121 74 96 121 ###
- a 97 129 129 129 97 129
- b 98 130 130 130 98 130
- c 99 131 131 131 99 131
- d 100 132 132 132 100 132
- e 101 133 133 133 101 133
- f 102 134 134 134 102 134
- g 103 135 135 135 103 135
- h 104 136 136 136 104 136
- i 105 137 137 137 105 137
- j 106 145 145 145 106 145
- k 107 146 146 146 107 146
- l 108 147 147 147 108 147
- m 109 148 148 148 109 148
- n 110 149 149 149 110 149
- o 111 150 150 150 111 150
- p 112 151 151 151 112 151
- q 113 152 152 152 113 152
- r 114 153 153 153 114 153
- s 115 162 162 162 115 162
- t 116 163 163 163 116 163
- u 117 164 164 164 117 164
- v 118 165 165 165 118 165
- w 119 166 166 166 119 166
- x 120 167 167 167 120 167
- y 121 168 168 168 121 168
- z 122 169 169 169 122 169
- { 123 192 192 251 123 192 ###
- | 124 79 79 79 124 79
- } 125 208 208 253 125 208 ###
- ~ 126 161 161 255 126 161 ###
- <DELETE> 127 7 7 7 127 7
- <C1 0> 128 32 32 32 194.128 32
- <C1 1> 129 33 33 33 194.129 33
- <C1 2> 130 34 34 34 194.130 34
- <C1 3> 131 35 35 35 194.131 35
- <C1 4> 132 36 36 36 194.132 36
- <C1 5> 133 21 37 37 194.133 37 ***
- <C1 6> 134 6 6 6 194.134 6
- <C1 7> 135 23 23 23 194.135 23
- <C1 8> 136 40 40 40 194.136 40
- <C1 9> 137 41 41 41 194.137 41
- <C1 10> 138 42 42 42 194.138 42
- <C1 11> 139 43 43 43 194.139 43
- <C1 12> 140 44 44 44 194.140 44
- <C1 13> 141 9 9 9 194.141 9
- <C1 14> 142 10 10 10 194.142 10
- <C1 15> 143 27 27 27 194.143 27
- <C1 16> 144 48 48 48 194.144 48
- <C1 17> 145 49 49 49 194.145 49
- <C1 18> 146 26 26 26 194.146 26
- <C1 19> 147 51 51 51 194.147 51
- <C1 20> 148 52 52 52 194.148 52
- <C1 21> 149 53 53 53 194.149 53
- <C1 22> 150 54 54 54 194.150 54
- <C1 23> 151 8 8 8 194.151 8
- <C1 24> 152 56 56 56 194.152 56
- <C1 25> 153 57 57 57 194.153 57
- <C1 26> 154 58 58 58 194.154 58
- <C1 27> 155 59 59 59 194.155 59
- <C1 28> 156 4 4 4 194.156 4
- <C1 29> 157 20 20 20 194.157 20
- <C1 30> 158 62 62 62 194.158 62
- <C1 31> 159 255 255 95 194.159 255 ###
- <NON-BREAKING SPACE> 160 65 65 65 194.160 128.65
- <INVERTED EXCLAMATION MARK> 161 170 170 170 194.161 128.66
- <CENT SIGN> 162 74 74 176 194.162 128.67 ###
- <POUND SIGN> 163 177 177 177 194.163 128.68
- <CURRENCY SIGN> 164 159 159 159 194.164 128.69
- <YEN SIGN> 165 178 178 178 194.165 128.70
- <BROKEN BAR> 166 106 106 208 194.166 128.71 ###
- <SECTION SIGN> 167 181 181 181 194.167 128.72
- <DIAERESIS> 168 189 187 121 194.168 128.73 *** ###
- <COPYRIGHT SIGN> 169 180 180 180 194.169 128.74
- <FEMININE ORDINAL INDICATOR> 170 154 154 154 194.170 128.81
- <LEFT POINTING GUILLEMET> 171 138 138 138 194.171 128.82
- <NOT SIGN> 172 95 176 186 194.172 128.83 *** ###
- <SOFT HYPHEN> 173 202 202 202 194.173 128.84
- <REGISTERED TRADE MARK SIGN> 174 175 175 175 194.174 128.85
- <MACRON> 175 188 188 161 194.175 128.86 ###
- <DEGREE SIGN> 176 144 144 144 194.176 128.87
- <PLUS-OR-MINUS SIGN> 177 143 143 143 194.177 128.88
- <SUPERSCRIPT TWO> 178 234 234 234 194.178 128.89
- <SUPERSCRIPT THREE> 179 250 250 250 194.179 128.98
- <ACUTE ACCENT> 180 190 190 190 194.180 128.99
- <MICRO SIGN> 181 160 160 160 194.181 128.100
- <PARAGRAPH SIGN> 182 182 182 182 194.182 128.101
- <MIDDLE DOT> 183 179 179 179 194.183 128.102
- <CEDILLA> 184 157 157 157 194.184 128.103
- <SUPERSCRIPT ONE> 185 218 218 218 194.185 128.104
- <MASC. ORDINAL INDICATOR> 186 155 155 155 194.186 128.105
- <RIGHT POINTING GUILLEMET> 187 139 139 139 194.187 128.106
- <FRACTION ONE QUARTER> 188 183 183 183 194.188 128.112
- <FRACTION ONE HALF> 189 184 184 184 194.189 128.113
- <FRACTION THREE QUARTERS> 190 185 185 185 194.190 128.114
- <INVERTED QUESTION MARK> 191 171 171 171 194.191 128.115
- <A WITH GRAVE> 192 100 100 100 195.128 138.65
- <A WITH ACUTE> 193 101 101 101 195.129 138.66
- <A WITH CIRCUMFLEX> 194 98 98 98 195.130 138.67
- <A WITH TILDE> 195 102 102 102 195.131 138.68
- <A WITH DIAERESIS> 196 99 99 99 195.132 138.69
- <A WITH RING ABOVE> 197 103 103 103 195.133 138.70
- <CAPITAL LIGATURE AE> 198 158 158 158 195.134 138.71
- <C WITH CEDILLA> 199 104 104 104 195.135 138.72
- <E WITH GRAVE> 200 116 116 116 195.136 138.73
- <E WITH ACUTE> 201 113 113 113 195.137 138.74
- <E WITH CIRCUMFLEX> 202 114 114 114 195.138 138.81
- <E WITH DIAERESIS> 203 115 115 115 195.139 138.82
- <I WITH GRAVE> 204 120 120 120 195.140 138.83
- <I WITH ACUTE> 205 117 117 117 195.141 138.84
- <I WITH CIRCUMFLEX> 206 118 118 118 195.142 138.85
- <I WITH DIAERESIS> 207 119 119 119 195.143 138.86
- <CAPITAL LETTER ETH> 208 172 172 172 195.144 138.87
- <N WITH TILDE> 209 105 105 105 195.145 138.88
- <O WITH GRAVE> 210 237 237 237 195.146 138.89
- <O WITH ACUTE> 211 238 238 238 195.147 138.98
- <O WITH CIRCUMFLEX> 212 235 235 235 195.148 138.99
- <O WITH TILDE> 213 239 239 239 195.149 138.100
- <O WITH DIAERESIS> 214 236 236 236 195.150 138.101
- <MULTIPLICATION SIGN> 215 191 191 191 195.151 138.102
- <O WITH STROKE> 216 128 128 128 195.152 138.103
- <U WITH GRAVE> 217 253 253 224 195.153 138.104 ###
- <U WITH ACUTE> 218 254 254 254 195.154 138.105
- <U WITH CIRCUMFLEX> 219 251 251 221 195.155 138.106 ###
- <U WITH DIAERESIS> 220 252 252 252 195.156 138.112
- <Y WITH ACUTE> 221 173 186 173 195.157 138.113 *** ###
- <CAPITAL LETTER THORN> 222 174 174 174 195.158 138.114
- <SMALL LETTER SHARP S> 223 89 89 89 195.159 138.115
- <a WITH GRAVE> 224 68 68 68 195.160 139.65
- <a WITH ACUTE> 225 69 69 69 195.161 139.66
- <a WITH CIRCUMFLEX> 226 66 66 66 195.162 139.67
- <a WITH TILDE> 227 70 70 70 195.163 139.68
- <a WITH DIAERESIS> 228 67 67 67 195.164 139.69
- <a WITH RING ABOVE> 229 71 71 71 195.165 139.70
- <SMALL LIGATURE ae> 230 156 156 156 195.166 139.71
- <c WITH CEDILLA> 231 72 72 72 195.167 139.72
- <e WITH GRAVE> 232 84 84 84 195.168 139.73
- <e WITH ACUTE> 233 81 81 81 195.169 139.74
- <e WITH CIRCUMFLEX> 234 82 82 82 195.170 139.81
- <e WITH DIAERESIS> 235 83 83 83 195.171 139.82
- <i WITH GRAVE> 236 88 88 88 195.172 139.83
- <i WITH ACUTE> 237 85 85 85 195.173 139.84
- <i WITH CIRCUMFLEX> 238 86 86 86 195.174 139.85
- <i WITH DIAERESIS> 239 87 87 87 195.175 139.86
- <SMALL LETTER eth> 240 140 140 140 195.176 139.87
- <n WITH TILDE> 241 73 73 73 195.177 139.88
- <o WITH GRAVE> 242 205 205 205 195.178 139.89
- <o WITH ACUTE> 243 206 206 206 195.179 139.98
- <o WITH CIRCUMFLEX> 244 203 203 203 195.180 139.99
- <o WITH TILDE> 245 207 207 207 195.181 139.100
- <o WITH DIAERESIS> 246 204 204 204 195.182 139.101
- <DIVISION SIGN> 247 225 225 225 195.183 139.102
- <o WITH STROKE> 248 112 112 112 195.184 139.103
- <u WITH GRAVE> 249 221 221 192 195.185 139.104 ###
- <u WITH ACUTE> 250 222 222 222 195.186 139.105
- <u WITH CIRCUMFLEX> 251 219 219 219 195.187 139.106
- <u WITH DIAERESIS> 252 220 220 220 195.188 139.112
- <y WITH ACUTE> 253 141 141 141 195.189 139.113
- <SMALL LETTER thorn> 254 142 142 142 195.190 139.114
- <y WITH DIAERESIS> 255 223 223 223 195.191 139.115
+ open(FH,"<perlebcdic.pod") or die "Could not open perlebcdic.pod: $!";
+ while (<FH>) {
+ if (/(.{43})(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\.?(\d*)\s+(\d+)\.?(\d*)/)
+ {
+ if ($7 ne '' && $9 ne '') {
+ printf(
+ "%s%-9.02X%-9.02X%-9.02X%-9.02X%-2X.%-6.02X%02X.%02X\n",
+ $1,$2,$3,$4,$5,$6,$7,$8,$9);
+ }
+ elsif ($7 ne '') {
+ printf("%s%-9.02X%-9.02X%-9.02X%-9.02X%-2X.%-6.02X%02X\n",
+ $1,$2,$3,$4,$5,$6,$7,$8);
+ }
+ else {
+ printf("%s%-9.02X%-9.02X%-9.02X%-9.02X%-9.02X%02X\n",
+ $1,$2,$3,$4,$5,$6,$8);
+ }
+ }
+ }
+
+
+ ISO 8859-1 CCSID CCSID CCSID 1047
+ chr CCSID 0819 0037 1047 POSIX-BC UTF-8 UTF-EBCDIC
+ ----------------------------------------------------------------------------------------------
+ <NULL> 0 0 0 0 0 0
+ <START OF HEADING> 1 1 1 1 1 1
+ <START OF TEXT> 2 2 2 2 2 2
+ <END OF TEXT> 3 3 3 3 3 3
+ <END OF TRANSMISSION> 4 55 55 55 4 55
+ <ENQUIRY> 5 45 45 45 5 45
+ <ACKNOWLEDGE> 6 46 46 46 6 46
+ <BELL> 7 47 47 47 7 47
+ <BACKSPACE> 8 22 22 22 8 22
+ <HORIZONTAL TABULATION> 9 5 5 5 9 5
+ <LINE FEED> 10 37 21 21 10 21 ***
+ <VERTICAL TABULATION> 11 11 11 11 11 11
+ <FORM FEED> 12 12 12 12 12 12
+ <CARRIAGE RETURN> 13 13 13 13 13 13
+ <SHIFT OUT> 14 14 14 14 14 14
+ <SHIFT IN> 15 15 15 15 15 15
+ <DATA LINK ESCAPE> 16 16 16 16 16 16
+ <DEVICE CONTROL ONE> 17 17 17 17 17 17
+ <DEVICE CONTROL TWO> 18 18 18 18 18 18
+ <DEVICE CONTROL THREE> 19 19 19 19 19 19
+ <DEVICE CONTROL FOUR> 20 60 60 60 20 60
+ <NEGATIVE ACKNOWLEDGE> 21 61 61 61 21 61
+ <SYNCHRONOUS IDLE> 22 50 50 50 22 50
+ <END OF TRANSMISSION BLOCK> 23 38 38 38 23 38
+ <CANCEL> 24 24 24 24 24 24
+ <END OF MEDIUM> 25 25 25 25 25 25
+ <SUBSTITUTE> 26 63 63 63 26 63
+ <ESCAPE> 27 39 39 39 27 39
+ <FILE SEPARATOR> 28 28 28 28 28 28
+ <GROUP SEPARATOR> 29 29 29 29 29 29
+ <RECORD SEPARATOR> 30 30 30 30 30 30
+ <UNIT SEPARATOR> 31 31 31 31 31 31
+ <SPACE> 32 64 64 64 32 64
+ ! 33 90 90 90 33 90
+ " 34 127 127 127 34 127
+ # 35 123 123 123 35 123
+ $ 36 91 91 91 36 91
+ % 37 108 108 108 37 108
+ & 38 80 80 80 38 80
+ ' 39 125 125 125 39 125
+ ( 40 77 77 77 40 77
+ ) 41 93 93 93 41 93
+ * 42 92 92 92 42 92
+ + 43 78 78 78 43 78
+ , 44 107 107 107 44 107
+ - 45 96 96 96 45 96
+ . 46 75 75 75 46 75
+ / 47 97 97 97 47 97
+ 0 48 240 240 240 48 240
+ 1 49 241 241 241 49 241
+ 2 50 242 242 242 50 242
+ 3 51 243 243 243 51 243
+ 4 52 244 244 244 52 244
+ 5 53 245 245 245 53 245
+ 6 54 246 246 246 54 246
+ 7 55 247 247 247 55 247
+ 8 56 248 248 248 56 248
+ 9 57 249 249 249 57 249
+ : 58 122 122 122 58 122
+ ; 59 94 94 94 59 94
+ < 60 76 76 76 60 76
+ = 61 126 126 126 61 126
+ > 62 110 110 110 62 110
+ ? 63 111 111 111 63 111
+ @ 64 124 124 124 64 124
+ A 65 193 193 193 65 193
+ B 66 194 194 194 66 194
+ C 67 195 195 195 67 195
+ D 68 196 196 196 68 196
+ E 69 197 197 197 69 197
+ F 70 198 198 198 70 198
+ G 71 199 199 199 71 199
+ H 72 200 200 200 72 200
+ I 73 201 201 201 73 201
+ J 74 209 209 209 74 209
+ K 75 210 210 210 75 210
+ L 76 211 211 211 76 211
+ M 77 212 212 212 77 212
+ N 78 213 213 213 78 213
+ O 79 214 214 214 79 214
+ P 80 215 215 215 80 215
+ Q 81 216 216 216 81 216
+ R 82 217 217 217 82 217
+ S 83 226 226 226 83 226
+ T 84 227 227 227 84 227
+ U 85 228 228 228 85 228
+ V 86 229 229 229 86 229
+ W 87 230 230 230 87 230
+ X 88 231 231 231 88 231
+ Y 89 232 232 232 89 232
+ Z 90 233 233 233 90 233
+ [ 91 186 173 187 91 173 *** ###
+ \ 92 224 224 188 92 224 ###
+ ] 93 187 189 189 93 189 ***
+ ^ 94 176 95 106 94 95 *** ###
+ _ 95 109 109 109 95 109
+ ` 96 121 121 74 96 121 ###
+ a 97 129 129 129 97 129
+ b 98 130 130 130 98 130
+ c 99 131 131 131 99 131
+ d 100 132 132 132 100 132
+ e 101 133 133 133 101 133
+ f 102 134 134 134 102 134
+ g 103 135 135 135 103 135
+ h 104 136 136 136 104 136
+ i 105 137 137 137 105 137
+ j 106 145 145 145 106 145
+ k 107 146 146 146 107 146
+ l 108 147 147 147 108 147
+ m 109 148 148 148 109 148
+ n 110 149 149 149 110 149
+ o 111 150 150 150 111 150
+ p 112 151 151 151 112 151
+ q 113 152 152 152 113 152
+ r 114 153 153 153 114 153
+ s 115 162 162 162 115 162
+ t 116 163 163 163 116 163
+ u 117 164 164 164 117 164
+ v 118 165 165 165 118 165
+ w 119 166 166 166 119 166
+ x 120 167 167 167 120 167
+ y 121 168 168 168 121 168
+ z 122 169 169 169 122 169
+ { 123 192 192 251 123 192 ###
+ | 124 79 79 79 124 79
+ } 125 208 208 253 125 208 ###
+ ~ 126 161 161 255 126 161 ###
+ <DELETE> 127 7 7 7 127 7
+ <PADDING CHARACTER> 128 32 32 32 194.128 32
+ <HIGH OCTET PRESET> 129 33 33 33 194.129 33
+ <BREAK PERMITTED HERE> 130 34 34 34 194.130 34
+ <NO BREAK HERE> 131 35 35 35 194.131 35
+ <INDEX> 132 36 36 36 194.132 36
+ <NEXT LINE> 133 21 37 37 194.133 37 ***
+ <START OF SELECTED AREA> 134 6 6 6 194.134 6
+ <END OF SELECTED AREA> 135 23 23 23 194.135 23
+ <CHARACTER TABULATION SET> 136 40 40 40 194.136 40
+ <CHARACTER TABULATION WITH JUSTIFICATION> 137 41 41 41 194.137 41
+ <LINE TABULATION SET> 138 42 42 42 194.138 42
+ <PARTIAL LINE FORWARD> 139 43 43 43 194.139 43
+ <PARTIAL LINE BACKWARD> 140 44 44 44 194.140 44
+ <REVERSE LINE FEED> 141 9 9 9 194.141 9
+ <SINGLE SHIFT TWO> 142 10 10 10 194.142 10
+ <SINGLE SHIFT THREE> 143 27 27 27 194.143 27
+ <DEVICE CONTROL STRING> 144 48 48 48 194.144 48
+ <PRIVATE USE ONE> 145 49 49 49 194.145 49
+ <PRIVATE USE TWO> 146 26 26 26 194.146 26
+ <SET TRANSMIT STATE> 147 51 51 51 194.147 51
+ <CANCEL CHARACTER> 148 52 52 52 194.148 52
+ <MESSAGE WAITING> 149 53 53 53 194.149 53
+ <START OF GUARDED AREA> 150 54 54 54 194.150 54
+ <END OF GUARDED AREA> 151 8 8 8 194.151 8
+ <START OF STRING> 152 56 56 56 194.152 56
+ <SINGLE GRAPHIC CHARACTER INTRODUCER> 153 57 57 57 194.153 57
+ <SINGLE CHARACTER INTRODUCER> 154 58 58 58 194.154 58
+ <CONTROL SEQUENCE INTRODUCER> 155 59 59 59 194.155 59
+ <STRING TERMINATOR> 156 4 4 4 194.156 4
+ <OPERATING SYSTEM COMMAND> 157 20 20 20 194.157 20
+ <PRIVACY MESSAGE> 158 62 62 62 194.158 62
+ <APPLICATION PROGRAM COMMAND> 159 255 255 95 194.159 255 ###
+ <NON-BREAKING SPACE> 160 65 65 65 194.160 128.65
+ <INVERTED EXCLAMATION MARK> 161 170 170 170 194.161 128.66
+ <CENT SIGN> 162 74 74 176 194.162 128.67 ###
+ <POUND SIGN> 163 177 177 177 194.163 128.68
+ <CURRENCY SIGN> 164 159 159 159 194.164 128.69
+ <YEN SIGN> 165 178 178 178 194.165 128.70
+ <BROKEN BAR> 166 106 106 208 194.166 128.71 ###
+ <SECTION SIGN> 167 181 181 181 194.167 128.72
+ <DIAERESIS> 168 189 187 121 194.168 128.73 *** ###
+ <COPYRIGHT SIGN> 169 180 180 180 194.169 128.74
+ <FEMININE ORDINAL INDICATOR> 170 154 154 154 194.170 128.81
+ <LEFT POINTING GUILLEMET> 171 138 138 138 194.171 128.82
+ <NOT SIGN> 172 95 176 186 194.172 128.83 *** ###
+ <SOFT HYPHEN> 173 202 202 202 194.173 128.84
+ <REGISTERED TRADE MARK SIGN> 174 175 175 175 194.174 128.85
+ <MACRON> 175 188 188 161 194.175 128.86 ###
+ <DEGREE SIGN> 176 144 144 144 194.176 128.87
+ <PLUS-OR-MINUS SIGN> 177 143 143 143 194.177 128.88
+ <SUPERSCRIPT TWO> 178 234 234 234 194.178 128.89
+ <SUPERSCRIPT THREE> 179 250 250 250 194.179 128.98
+ <ACUTE ACCENT> 180 190 190 190 194.180 128.99
+ <MICRO SIGN> 181 160 160 160 194.181 128.100
+ <PARAGRAPH SIGN> 182 182 182 182 194.182 128.101
+ <MIDDLE DOT> 183 179 179 179 194.183 128.102
+ <CEDILLA> 184 157 157 157 194.184 128.103
+ <SUPERSCRIPT ONE> 185 218 218 218 194.185 128.104
+ <MASC. ORDINAL INDICATOR> 186 155 155 155 194.186 128.105
+ <RIGHT POINTING GUILLEMET> 187 139 139 139 194.187 128.106
+ <FRACTION ONE QUARTER> 188 183 183 183 194.188 128.112
+ <FRACTION ONE HALF> 189 184 184 184 194.189 128.113
+ <FRACTION THREE QUARTERS> 190 185 185 185 194.190 128.114
+ <INVERTED QUESTION MARK> 191 171 171 171 194.191 128.115
+ <A WITH GRAVE> 192 100 100 100 195.128 138.65
+ <A WITH ACUTE> 193 101 101 101 195.129 138.66
+ <A WITH CIRCUMFLEX> 194 98 98 98 195.130 138.67
+ <A WITH TILDE> 195 102 102 102 195.131 138.68
+ <A WITH DIAERESIS> 196 99 99 99 195.132 138.69
+ <A WITH RING ABOVE> 197 103 103 103 195.133 138.70
+ <CAPITAL LIGATURE AE> 198 158 158 158 195.134 138.71
+ <C WITH CEDILLA> 199 104 104 104 195.135 138.72
+ <E WITH GRAVE> 200 116 116 116 195.136 138.73
+ <E WITH ACUTE> 201 113 113 113 195.137 138.74
+ <E WITH CIRCUMFLEX> 202 114 114 114 195.138 138.81
+ <E WITH DIAERESIS> 203 115 115 115 195.139 138.82
+ <I WITH GRAVE> 204 120 120 120 195.140 138.83
+ <I WITH ACUTE> 205 117 117 117 195.141 138.84
+ <I WITH CIRCUMFLEX> 206 118 118 118 195.142 138.85
+ <I WITH DIAERESIS> 207 119 119 119 195.143 138.86
+ <CAPITAL LETTER ETH> 208 172 172 172 195.144 138.87
+ <N WITH TILDE> 209 105 105 105 195.145 138.88
+ <O WITH GRAVE> 210 237 237 237 195.146 138.89
+ <O WITH ACUTE> 211 238 238 238 195.147 138.98
+ <O WITH CIRCUMFLEX> 212 235 235 235 195.148 138.99
+ <O WITH TILDE> 213 239 239 239 195.149 138.100
+ <O WITH DIAERESIS> 214 236 236 236 195.150 138.101
+ <MULTIPLICATION SIGN> 215 191 191 191 195.151 138.102
+ <O WITH STROKE> 216 128 128 128 195.152 138.103
+ <U WITH GRAVE> 217 253 253 224 195.153 138.104 ###
+ <U WITH ACUTE> 218 254 254 254 195.154 138.105
+ <U WITH CIRCUMFLEX> 219 251 251 221 195.155 138.106 ###
+ <U WITH DIAERESIS> 220 252 252 252 195.156 138.112
+ <Y WITH ACUTE> 221 173 186 173 195.157 138.113 *** ###
+ <CAPITAL LETTER THORN> 222 174 174 174 195.158 138.114
+ <SMALL LETTER SHARP S> 223 89 89 89 195.159 138.115
+ <a WITH GRAVE> 224 68 68 68 195.160 139.65
+ <a WITH ACUTE> 225 69 69 69 195.161 139.66
+ <a WITH CIRCUMFLEX> 226 66 66 66 195.162 139.67
+ <a WITH TILDE> 227 70 70 70 195.163 139.68
+ <a WITH DIAERESIS> 228 67 67 67 195.164 139.69
+ <a WITH RING ABOVE> 229 71 71 71 195.165 139.70
+ <SMALL LIGATURE ae> 230 156 156 156 195.166 139.71
+ <c WITH CEDILLA> 231 72 72 72 195.167 139.72
+ <e WITH GRAVE> 232 84 84 84 195.168 139.73
+ <e WITH ACUTE> 233 81 81 81 195.169 139.74
+ <e WITH CIRCUMFLEX> 234 82 82 82 195.170 139.81
+ <e WITH DIAERESIS> 235 83 83 83 195.171 139.82
+ <i WITH GRAVE> 236 88 88 88 195.172 139.83
+ <i WITH ACUTE> 237 85 85 85 195.173 139.84
+ <i WITH CIRCUMFLEX> 238 86 86 86 195.174 139.85
+ <i WITH DIAERESIS> 239 87 87 87 195.175 139.86
+ <SMALL LETTER eth> 240 140 140 140 195.176 139.87
+ <n WITH TILDE> 241 73 73 73 195.177 139.88
+ <o WITH GRAVE> 242 205 205 205 195.178 139.89
+ <o WITH ACUTE> 243 206 206 206 195.179 139.98
+ <o WITH CIRCUMFLEX> 244 203 203 203 195.180 139.99
+ <o WITH TILDE> 245 207 207 207 195.181 139.100
+ <o WITH DIAERESIS> 246 204 204 204 195.182 139.101
+ <DIVISION SIGN> 247 225 225 225 195.183 139.102
+ <o WITH STROKE> 248 112 112 112 195.184 139.103
+ <u WITH GRAVE> 249 221 221 192 195.185 139.104 ###
+ <u WITH ACUTE> 250 222 222 222 195.186 139.105
+ <u WITH CIRCUMFLEX> 251 219 219 219 195.187 139.106
+ <u WITH DIAERESIS> 252 220 220 220 195.188 139.112
+ <y WITH ACUTE> 253 141 141 141 195.189 139.113
+ <SMALL LETTER thorn> 254 142 142 142 195.190 139.114
+ <y WITH DIAERESIS> 255 223 223 223 195.191 139.115
If you would rather see the above table in CCSID 0037 order rather than
ASCII + Latin-1 order then run the table through:
=back
- perl -ne 'if(/.{33}\d{1,3}\s{6,8}\d{1,3}\s{6,8}\d{1,3}\s{6,8}\d{1,3}/)'\
+ perl \
+ -ne 'if(/.{43}\d{1,3}\s{6,8}\d{1,3}\s{6,8}\d{1,3}\s{6,8}\d{1,3}/)'\
-e '{push(@l,$_)}' \
-e 'END{print map{$_->[0]}' \
-e ' sort{$a->[1] <=> $b->[1]}' \
- -e ' map{[$_,substr($_,42,3)]}@l;}' perlebcdic.pod
+ -e ' map{[$_,substr($_,52,3)]}@l;}' perlebcdic.pod
-If you would rather see it in CCSID 1047 order then change the digit
-42 in the last line to 51, like this:
+If you would rather see it in CCSID 1047 order then change the number
+52 in the last line to 61, like this:
=over 4
=back
- perl -ne 'if(/.{33}\d{1,3}\s{6,8}\d{1,3}\s{6,8}\d{1,3}\s{6,8}\d{1,3}/)'\
- -e '{push(@l,$_)}' \
- -e 'END{print map{$_->[0]}' \
- -e ' sort{$a->[1] <=> $b->[1]}' \
- -e ' map{[$_,substr($_,51,3)]}@l;}' perlebcdic.pod
+ perl \
+ -ne 'if(/.{43}\d{1,3}\s{6,8}\d{1,3}\s{6,8}\d{1,3}\s{6,8}\d{1,3}/)'\
+ -e '{push(@l,$_)}' \
+ -e 'END{print map{$_->[0]}' \
+ -e ' sort{$a->[1] <=> $b->[1]}' \
+ -e ' map{[$_,substr($_,61,3)]}@l;}' perlebcdic.pod
-If you would rather see it in POSIX-BC order then change the digit
-51 in the last line to 60, like this:
+If you would rather see it in POSIX-BC order then change the number
+61 in the last line to 70, like this:
=over 4
=back
- perl -ne 'if(/.{33}\d{1,3}\s{6,8}\d{1,3}\s{6,8}\d{1,3}\s{6,8}\d{1,3}/)'\
+ perl \
+ -ne 'if(/.{43}\d{1,3}\s{6,8}\d{1,3}\s{6,8}\d{1,3}\s{6,8}\d{1,3}/)'\
-e '{push(@l,$_)}' \
-e 'END{print map{$_->[0]}' \
-e ' sort{$a->[1] <=> $b->[1]}' \
- -e ' map{[$_,substr($_,60,3)]}@l;}' perlebcdic.pod
+ -e ' map{[$_,substr($_,70,3)]}@l;}' perlebcdic.pod
=head1 IDENTIFYING CHARACTER CODE SETS
Obviously the first of these will fail to distinguish most ASCII platforms
from either a CCSID 0037, a 1047, or a POSIX-BC EBCDIC platform since "\r" eq
chr(13) under all of those coded character sets. But note too that
-because "\n" is chr(13) and "\r" is chr(10) on the MacIntosh (which is an
+because "\n" is chr(13) and "\r" is chr(10) on the Macintosh (which is an
ASCII platform) the second C<$is_ascii> test will lead to trouble there.
To determine whether or not perl was built under an EBCDIC
In order to convert a string of characters from one character set to
another a simple list of numbers, such as in the right columns in the
above table, along with perl's tr/// operator is all that is needed.
-The data in the table are in ASCII order hence the EBCDIC columns
-provide easy to use ASCII to EBCDIC operations that are also easily
+The data in the table are in ASCII/Latin1 order, hence the EBCDIC columns
+provide easy-to-use ASCII/Latin1 to EBCDIC operations that are also easily
reversed.
-For example, to convert ASCII to code page 037 take the output of the second
-column from the output of recipe 0 (modified to add \\ characters) and use
-it in tr/// like so:
+For example, to convert ASCII/Latin1 to code page 037 take the output of the
+second numbers column from the output of recipe 2 (modified to add '\'
+characters) and use it in tr/// like so:
$cp_037 =
- '\000\001\002\003\234\011\206\177\227\215\216\013\014\015\016\017' .
- '\020\021\022\023\235\205\010\207\030\031\222\217\034\035\036\037' .
- '\200\201\202\203\204\012\027\033\210\211\212\213\214\005\006\007' .
- '\220\221\026\223\224\225\226\004\230\231\232\233\024\025\236\032' .
- '\040\240\342\344\340\341\343\345\347\361\242\056\074\050\053\174' .
- '\046\351\352\353\350\355\356\357\354\337\041\044\052\051\073\254' .
- '\055\057\302\304\300\301\303\305\307\321\246\054\045\137\076\077' .
- '\370\311\312\313\310\315\316\317\314\140\072\043\100\047\075\042' .
- '\330\141\142\143\144\145\146\147\150\151\253\273\360\375\376\261' .
- '\260\152\153\154\155\156\157\160\161\162\252\272\346\270\306\244' .
- '\265\176\163\164\165\166\167\170\171\172\241\277\320\335\336\256' .
- '\136\243\245\267\251\247\266\274\275\276\133\135\257\250\264\327' .
- '\173\101\102\103\104\105\106\107\110\111\255\364\366\362\363\365' .
- '\175\112\113\114\115\116\117\120\121\122\271\373\374\371\372\377' .
- '\134\367\123\124\125\126\127\130\131\132\262\324\326\322\323\325' .
- '\060\061\062\063\064\065\066\067\070\071\263\333\334\331\332\237' ;
+ '\x00\x01\x02\x03\x37\x2D\x2E\x2F\x16\x05\x25\x0B\x0C\x0D\x0E\x0F' .
+ '\x10\x11\x12\x13\x3C\x3D\x32\x26\x18\x19\x3F\x27\x1C\x1D\x1E\x1F' .
+ '\x40\x5A\x7F\x7B\x5B\x6C\x50\x7D\x4D\x5D\x5C\x4E\x6B\x60\x4B\x61' .
+ '\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\x7A\x5E\x4C\x7E\x6E\x6F' .
+ '\x7C\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xD1\xD2\xD3\xD4\xD5\xD6' .
+ '\xD7\xD8\xD9\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xBA\xE0\xBB\xB0\x6D' .
+ '\x79\x81\x82\x83\x84\x85\x86\x87\x88\x89\x91\x92\x93\x94\x95\x96' .
+ '\x97\x98\x99\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xC0\x4F\xD0\xA1\x07' .
+ '\x20\x21\x22\x23\x24\x15\x06\x17\x28\x29\x2A\x2B\x2C\x09\x0A\x1B' .
+ '\x30\x31\x1A\x33\x34\x35\x36\x08\x38\x39\x3A\x3B\x04\x14\x3E\xFF' .
+ '\x41\xAA\x4A\xB1\x9F\xB2\x6A\xB5\xBD\xB4\x9A\x8A\x5F\xCA\xAF\xBC' .
+ '\x90\x8F\xEA\xFA\xBE\xA0\xB6\xB3\x9D\xDA\x9B\x8B\xB7\xB8\xB9\xAB' .
+ '\x64\x65\x62\x66\x63\x67\x9E\x68\x74\x71\x72\x73\x78\x75\x76\x77' .
+ '\xAC\x69\xED\xEE\xEB\xEF\xEC\xBF\x80\xFD\xFE\xFB\xFC\xAD\xAE\x59' .
+ '\x44\x45\x42\x46\x43\x47\x9C\x48\x54\x51\x52\x53\x58\x55\x56\x57' .
+ '\x8C\x49\xCD\xCE\xCB\xCF\xCC\xE1\x70\xDD\xDE\xDB\xDC\x8D\x8E\xDF';
my $ebcdic_string = $ascii_string;
- eval '$ebcdic_string =~ tr/' . $cp_037 . '/\000-\377/';
+ eval '$ebcdic_string =~ tr/\000-\377/' . $cp_037 . '/';
-To convert from EBCDIC 037 to ASCII just reverse the order of the tr///
+To convert from EBCDIC 037 to ASCII just reverse the order of the tr///
arguments like so:
my $ascii_string = $ebcdic_string;
- eval '$ascii_string =~ tr/\000-\377/' . $cp_037 . '/';
+ eval '$ascii_string =~ tr/' . $cp_037 . '/\000-\377/';
+
+Similarly one could take the output of the third numbers column from recipe 2
+to obtain a C<$cp_1047> table. The fourth numbers column of the output from
+recipe 2 could provide a C<$cp_posix_bc> table suitable for transcoding as
+well.
-Similarly one could take the output of the third column from recipe 0 to
-obtain a C<$cp_1047> table. The fourth column of the output from recipe
-0 could provide a C<$cp_posix_bc> table suitable for transcoding as well.
+If you wanted to see the inverse tables, you would first have to sort on the
+desired numbers column as in recipes 4, 5 or 6, then take the output of the
+first numbers column.
=head2 iconv
# OS/390 or z/OS example
$ebcdic_data = `echo '$ascii_data'| iconv -f ISO8859-1 -t IBM-1047`
-For other perl based conversion options see the Convert::* modules on CPAN.
+For other perl-based conversion options see the Convert::* modules on CPAN.
=head2 C RTL
-The OS/390 and z/OS C run time libraries provide _atoe() and _etoa() functions.
+The OS/390 and z/OS C run-time libraries provide _atoe() and _etoa() functions.
=head1 OPERATOR DIFFERENCES
An interesting property of the 32 C0 control characters
in the ASCII table is that they can "literally" be constructed
-as control characters in perl, e.g. C<(chr(0) eq "\c@")>
-C<(chr(1) eq "\cA")>, and so on. Perl on EBCDIC platforms has been
-ported to take "\c@" to chr(0) and "\cA" to chr(1) as well, but the
+as control characters in perl, e.g. C<(chr(0)> eq C<\c@>)>
+C<(chr(1)> eq C<\cA>)>, and so on. Perl on EBCDIC platforms has been
+ported to take C<\c@> to chr(0) and C<\cA> to chr(1), etc. as well, but the
thirty three characters that result depend on which code page you are
-using. The table below uses the character names from the previous table
-but with substitutions such as s/START OF/S.O./; s/END OF /E.O./;
-s/TRANSMISSION/TRANS./; s/TABULATION/TAB./; s/VERTICAL/VERT./;
-s/HORIZONTAL/HORIZ./; s/DEVICE CONTROL/D.C./; s/SEPARATOR/SEP./;
-s/NEGATIVE ACKNOWLEDGE/NEG. ACK./;. The POSIX-BC and 1047 sets are
+using. The table below uses the standard acronyms for the controls.
+The POSIX-BC and 1047 sets are
identical throughout this range and differ from the 0037 set at only
one spot (21 decimal). Note that the C<LINE FEED> character
-may be generated by "\cJ" on ASCII platforms but by "\cU" on 1047 or POSIX-BC
+may be generated by C<\cJ> on ASCII platforms but by C<\cU> on 1047 or POSIX-BC
platforms and cannot be generated as a C<"\c.letter."> control character on
-0037 platforms. Note also that "\c\\" maps to two characters
-not one.
-
- chr ord 8859-1 0037 1047 && POSIX-BC
- ------------------------------------------------------------------------
- "\c?" 127 <DELETE> " " ***><
- "\c@" 0 <NULL> <NULL> <NULL> ***><
- "\cA" 1 <S.O. HEADING> <S.O. HEADING> <S.O. HEADING>
- "\cB" 2 <S.O. TEXT> <S.O. TEXT> <S.O. TEXT>
- "\cC" 3 <E.O. TEXT> <E.O. TEXT> <E.O. TEXT>
- "\cD" 4 <E.O. TRANS.> <C1 28> <C1 28>
- "\cE" 5 <ENQUIRY> <HORIZ. TAB.> <HORIZ. TAB.>
- "\cF" 6 <ACKNOWLEDGE> <C1 6> <C1 6>
- "\cG" 7 <BELL> <DELETE> <DELETE>
- "\cH" 8 <BACKSPACE> <C1 23> <C1 23>
- "\cI" 9 <HORIZ. TAB.> <C1 13> <C1 13>
- "\cJ" 10 <LINE FEED> <C1 14> <C1 14>
- "\cK" 11 <VERT. TAB.> <VERT. TAB.> <VERT. TAB.>
- "\cL" 12 <FORM FEED> <FORM FEED> <FORM FEED>
- "\cM" 13 <CARRIAGE RETURN> <CARRIAGE RETURN> <CARRIAGE RETURN>
- "\cN" 14 <SHIFT OUT> <SHIFT OUT> <SHIFT OUT>
- "\cO" 15 <SHIFT IN> <SHIFT IN> <SHIFT IN>
- "\cP" 16 <DATA LINK ESCAPE> <DATA LINK ESCAPE> <DATA LINK ESCAPE>
- "\cQ" 17 <D.C. ONE> <D.C. ONE> <D.C. ONE>
- "\cR" 18 <D.C. TWO> <D.C. TWO> <D.C. TWO>
- "\cS" 19 <D.C. THREE> <D.C. THREE> <D.C. THREE>
- "\cT" 20 <D.C. FOUR> <C1 29> <C1 29>
- "\cU" 21 <NEG. ACK.> <C1 5> <LINE FEED> ***
- "\cV" 22 <SYNCHRONOUS IDLE> <BACKSPACE> <BACKSPACE>
- "\cW" 23 <E.O. TRANS. BLOCK> <C1 7> <C1 7>
- "\cX" 24 <CANCEL> <CANCEL> <CANCEL>
- "\cY" 25 <E.O. MEDIUM> <E.O. MEDIUM> <E.O. MEDIUM>
- "\cZ" 26 <SUBSTITUTE> <C1 18> <C1 18>
- "\c[" 27 <ESCAPE> <C1 15> <C1 15>
- "\c\\" 28 <FILE SEP.>\ <FILE SEP.>\ <FILE SEP.>\
- "\c]" 29 <GROUP SEP.> <GROUP SEP.> <GROUP SEP.>
- "\c^" 30 <RECORD SEP.> <RECORD SEP.> <RECORD SEP.> ***><
- "\c_" 31 <UNIT SEP.> <UNIT SEP.> <UNIT SEP.> ***><
-
+0037 platforms. Note also that C<\c\> cannot be the final element in a string
+or regex, as it will absorb the terminator. But C<\c\I<X>> is a C<FILE
+SEPARATOR> concatenated with I<X> for all I<X>.
+
+ chr ord 8859-1 0037 1047 && POSIX-BC
+ -----------------------------------------------------------------------
+ \c? 127 <DEL> " "
+ \c@ 0 <NUL> <NUL> <NUL>
+ \cA 1 <SOH> <SOH> <SOH>
+ \cB 2 <STX> <STX> <STX>
+ \cC 3 <ETX> <ETX> <ETX>
+ \cD 4 <EOT> <ST> <ST>
+ \cE 5 <ENQ> <HT> <HT>
+ \cF 6 <ACK> <SSA> <SSA>
+ \cG 7 <BEL> <DEL> <DEL>
+ \cH 8 <BS> <EPA> <EPA>
+ \cI 9 <HT> <RI> <RI>
+ \cJ 10 <LF> <SS2> <SS2>
+ \cK 11 <VT> <VT> <VT>
+ \cL 12 <FF> <FF> <FF>
+ \cM 13 <CR> <CR> <CR>
+ \cN 14 <SO> <SO> <SO>
+ \cO 15 <SI> <SI> <SI>
+ \cP 16 <DLE> <DLE> <DLE>
+ \cQ 17 <DC1> <DC1> <DC1>
+ \cR 18 <DC2> <DC2> <DC2>
+ \cS 19 <DC3> <DC3> <DC3>
+ \cT 20 <DC4> <OSC> <OSC>
+ \cU 21 <NAK> <NEL> <LF> ***
+ \cV 22 <SYN> <BS> <BS>
+ \cW 23 <ETB> <ESA> <ESA>
+ \cX 24 <CAN> <CAN> <CAN>
+ \cY 25 <EOM> <EOM> <EOM>
+ \cZ 26 <SUB> <PU2> <PU2>
+ \c[ 27 <ESC> <SS3> <SS3>
+ \c\X 28 <FS>X <FS>X <FS>X
+ \c] 29 <GS> <GS> <GS>
+ \c^ 30 <RS> <RS> <RS>
+ \c_ 31 <US> <US> <US>
=head1 FUNCTION DIFFERENCES
Under the IBM OS/390 USS Web Server or WebSphere on z/OS for example
you should instead write that as:
- print "Content-type:\ttext/html\r\n\r\n"; # OK for DGW et alia
+ print "Content-type:\ttext/html\r\n\r\n"; # OK for DGW et al
That is because the translation from EBCDIC to ASCII is done
by the web server in this case (such code will not be appropriate for
=head1 REGULAR EXPRESSION DIFFERENCES
-As of perl 5.005_03 the letter range regular expression such as
+As of perl 5.005_03 the letter range regular expressions such as
[A-Z] and [a-z] have been especially coded to not pick up gap
characters. For example, characters such as E<ocirc> C<o WITH CIRCUMFLEX>
that lie between I and J would not be matched by the
if (ord('^')==94) { # ascii
return $char =~ /[\000-\037]/;
}
- if (ord('^')==176) { # 37
+ if (ord('^')==176) { # 0037
return $char =~ /[\000-\003\067\055-\057\026\005\045\013-\023\074\075\062\046\030\031\077\047\034-\037]/;
}
if (ord('^')==95 || ord('^')==106) { # 1047 || posix-bc
if (ord('^')==94) { # ascii
return $char =~ /[\200-\237]/;
}
- if (ord('^')==176) { # 37
+ if (ord('^')==176) { # 0037
return $char =~ /[\040-\044\025\006\027\050-\054\011\012\033\060\061\032\063-\066\010\070-\073\040\024\076\377]/;
}
if (ord('^')==95) { # 1047
if (ord('^')==94) { # ascii
return $char =~ /[\240-\377]/;
}
- if (ord('^')==176) { # 37
+ if (ord('^')==176) { # 0037
return $char =~
/[\101\252\112\261\237\262\152\265\275\264\232\212\137\312\257\274\220\217\352\372\276\240\266\263\235\332\233\213\267\270\271\253\144\145\142\146\143\147\236\150\164\161-\163\170\165-\167\254\151\355\356\353\357\354\277\200\375\376\373\374\255\256\131\104\105\102\106\103\107\234\110\124\121-\123\130\125-\127\214\111\315\316\313\317\314\341\160\335\336\333\334\215\216\337]/;
}
sub Is_latin_1 {
my $char = substr(shift,0,1);
- $char =~ /[ ¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ]/;
+ $char =~ /[ ¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ]/;
}
Although that form may run into trouble in network transit (due to the
=head1 SORTING
-One big difference between ASCII based character sets and EBCDIC ones
+One big difference between ASCII-based character sets and EBCDIC ones
are the relative positions of upper and lower case letters and the
-letters compared to the digits. If sorted on an ASCII based platform the
-two letter abbreviation for a physician comes before the two letter
-for drive, that is:
+letters compared to the digits. If sorted on an ASCII-based platform the
+two-letter abbreviation for a physician comes before the two letter
+abbreviation for drive; that is:
- @sorted = sort(qw(Dr. dr.)); # @sorted holds ('Dr.','dr.') on ASCII,
+ @sorted = sort(qw(Dr. dr.)); # @sorted holds ('Dr.','dr.') on ASCII,
# but ('dr.','Dr.') on EBCDIC
-The property of lower case before uppercase letters in EBCDIC is
+The property of lowercase before uppercase letters in EBCDIC is
even carried to the Latin 1 EBCDIC pages such as 0037 and 1047.
An example would be that E<Euml> C<E WITH DIAERESIS> (203) comes
before E<euml> C<e WITH DIAERESIS> (235) on an ASCII platform, but
the latter (83) comes before the former (115) on an EBCDIC platform.
-(Astute readers will note that the upper case version of E<szlig>
+(Astute readers will note that the uppercase version of E<szlig>
C<SMALL LETTER SHARP S> is simply "SS" and that the upper case version of
E<yuml> C<y WITH DIAERESIS> is not in the 0..255 range but it is
at U+x0178 in Unicode, or C<"\x{178}"> in a Unicode enabled Perl).
=head2 MONO CASE then sort data.
-In order to minimize the expense of mono casing mixed test try to
+In order to minimize the expense of mono casing mixed-case text, try to
C<tr///> towards the character set case most employed within the data.
If the data are primarily UPPERCASE non Latin 1 then apply tr/[a-z]/[A-Z]/
then sort(). If the data are primarily lowercase non Latin 1 then
apply tr/[A-Z]/[a-z]/ before sorting. If the data are primarily UPPERCASE
and include Latin-1 characters then apply:
- tr/[a-z]/[A-Z]/;
- tr/[àáâãäåæçèéêëìíîïðñòóôõöøùúûüýþ]/[ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞ]/;
- s/ß/SS/g;
+ tr/[a-z]/[A-Z]/;
+ tr/[àáâãäåæçèéêëìíîïðñòóôõöøùúûüýþ]/[ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞ/;
+ s/ß/SS/g;
then sort(). Do note however that such Latin-1 manipulation does not
address the E<yuml> C<y WITH DIAERESIS> character that will remain at
code point 255 on ASCII platforms, but 223 on most EBCDIC platforms
where it will sort to a place less than the EBCDIC numerals. With a
-Unicode enabled Perl you might try:
+Unicode-enabled Perl you might try:
tr/^?/\x{178}/;
=head2 Quoted-Printable encoding and decoding
-On ASCII encoded platforms it is possible to strip characters outside of
+On ASCII-encoded platforms it is possible to strip characters outside of
the printable set using:
# This QP encoder works on ASCII only
$string =~ s/=([0-9A-Fa-f][0-9A-Fa-f])/chr $a2e[hex $1]/ge;
$string =~ s/=[\n\r]+$//;
-=head2 Caesarian ciphers
+=head2 Caesarean ciphers
The practice of shifting an alphabet one or more characters for encipherment
dates back thousands of years and was explicitly detailed by Gaius Julius
Caesar in his B<Gallic Wars> text. A single alphabet shift is sometimes
referred to as a rotation and the shift amount is given as a number $n after
the string 'rot' or "rot$n". Rot0 and rot26 would designate identity maps
-on the 26 letter English version of the Latin alphabet. Rot13 has the
+on the 26-letter English version of the Latin alphabet. Rot13 has the
interesting property that alternate subsequent invocations are identity maps
(thus rot13 is its own non-trivial inverse in the group of 26 alphabet
rotations). Hence the following is a rot13 encoder and decoder that will
To the extent that it is possible to write code that depends on
hashing order there may be differences between hashes as stored
-on an ASCII based platform and hashes stored on an EBCDIC based platform.
+on an ASCII-based platform and hashes stored on an EBCDIC-based platform.
XXX
=head1 I18N AND L10N
-Internationalization(I18N) and localization(L10N) are supported at least
-in principle even on EBCDIC platforms. The details are system dependent
+Internationalization (I18N) and localization (L10N) are supported at least
+in principle even on EBCDIC platforms. The details are system-dependent
and discussed under the L<perlebcdic/OS ISSUES> section below.
-=head1 MULTI OCTET CHARACTER SETS
+=head1 MULTI-OCTET CHARACTER SETS
Perl may work with an internal UTF-EBCDIC encoding form for wide characters
on EBCDIC platforms in a manner analogous to the way that it works with
=head1 OS ISSUES
-There may be a few system dependent issues
+There may be a few system-dependent issues
of concern to EBCDIC Perl programmers.
=head2 OS/400
=item PASE
-The PASE environment is runtime environment for OS/400 that can run
-executables built for PowerPC AIX in OS/400
, see L<perlos400>. PASE
+The PASE environment is a runtime environment for OS/400 that can run
+executables built for PowerPC AIX in OS/400
; see L<perlos400>. PASE
is ASCII-based, not EBCDIC-based as the ILE.
=item IFS access
=item chcp
B<chcp> is supported as a shell utility for displaying and changing
-one's code page. See also L<chcp>.
+one's code page. See also L<chcp(1)>.
=item dataset access
Joe Smith. Trademarks, registered trademarks, service marks and
registered service marks used in this document are the property of
their respective owners.
-
-
https://perl5.git.perl.org / perl5.git / blobdiff