https://perl5.git.perl.org / perl5.git / blame
| Commit | Line | Data |
|---|---|---|
| 6ae23f41 JH |
1 | #!/usr/bin/perl |
| 2 | # | |
| bc2f65e0 | 3 | # Unit tests of _downcopy function |
| 6ae23f41 JH |
4 | # |
| 5 | # _downcopy($self, $data, $pos, $len) | |
| 6 | # Write $data into a block of length $len at position $pos, | |
| 7 | # moving everything in the block forwards to make room. | |
| 8 | # Instead of writing the last length($data) bytes from the block | |
| 9 | # (because there isn't room for them any longer) return them. | |
| 10 | # | |
| 11 | # | |
| 12 | ||
| 13 | my $file = "tf$$.txt"; | |
| 14 | ||
| 15 | print "1..718\n"; | |
| 16 | ||
| 17 | my $N = 1; | |
| 18 | use Tie::File; | |
| 19 | print "ok $N\n"; $N++; | |
| 20 | ||
| 21 | $: = Tie::File::_default_recsep(); | |
| 22 | ||
| 23 | my @subtests = qw(x <x x> x><x <x> <x><x x><x> <x><x> <x><x><x> 0); | |
| 24 | print "ok $N\n"; $N++; | |
| 25 | ||
| 26 | # (3-144) These were generated by 'gentests.pl' to cover all possible cases | |
| 27 | # (I hope) | |
| 28 | # Legend: | |
| 29 | # x: data is entirely contained within one block | |
| 30 | # x>: data runs from the middle to the end of the block | |
| 31 | # <x: data runs from the start to the middle of the block | |
| 32 | # <x>: data occupies precisely one block | |
| 33 | # x><x: data overlaps one block boundary | |
| 34 | # <x><x: data runs from the start of one block into the middle of the next | |
| 35 | # x><x>: data runs from the middle of one block to the end of the next | |
| 36 | # <x><x>: data occupies two blocks exactly | |
| 37 | # <x><x><x>: data occupies three blocks exactly | |
| 38 | # 0: data is null | |
| 39 | # | |
| 40 | # For each possible alignment of the old and new data, we investigate | |
| 41 | # up to three situations: old data is shorter, old and new data are the | |
| 42 | # same length, and new data is shorter. | |
| 43 | # | |
| 44 | # try($pos, $old, $new) means to run a test where the data starts at | |
| 45 | # position $pos, the old data has length $old, | |
| 46 | # and the new data has length $new. | |
| 47 | try( 9659, 6635, 6691); # old=x , new=x ; old < new | |
| 48 | try( 8605, 2394, 2394); # old=x , new=x ; old = new | |
| 49 | try( 9768, 1361, 664); # old=x , new=x ; old > new | |
| 50 | try( 9955, 6429, 6429); # old=x> , new=x ; old = new | |
| 51 | try(10550, 5834, 4123); # old=x> , new=x ; old > new | |
| 52 | try(14580, 6158, 851); # old=x><x , new=x ; old > new | |
| 53 | try(13442, 11134, 1572); # old=x><x> , new=x ; old > new | |
| 54 | try( 8394, 0, 5742); # old=0 , new=x ; old < new | |
| 55 | try( 8192, 2819, 6738); # old=<x , new=<x ; old < new | |
| 56 | try( 8192, 514, 514); # old=<x , new=<x ; old = new | |
| 57 | try( 8192, 2196, 858); # old=<x , new=<x ; old > new | |
| 58 | try( 8192, 8192, 8192); # old=<x> , new=<x ; old = new | |
| 59 | try( 8192, 8192, 1290); # old=<x> , new=<x ; old > new | |
| 60 | try( 8192, 10575, 6644); # old=<x><x , new=<x ; old > new | |
| 61 | try( 8192, 16384, 5616); # old=<x><x> , new=<x ; old > new | |
| 62 | try( 8192, 24576, 6253); # old=<x><x><x>, new=<x ; old > new | |
| 63 | try( 8192, 0, 6870); # old=0 , new=<x ; old < new | |
| 64 | try( 8478, 6259, 7906); # old=x , new=x> ; old < new | |
| 65 | try( 9965, 6419, 6419); # old=x> , new=x> ; old = new | |
| 66 | try(16059, 6102, 325); # old=x><x , new=x> ; old > new | |
| 67 | try( 9503, 15073, 6881); # old=x><x> , new=x> ; old > new | |
| 68 | try( 9759, 0, 6625); # old=0 , new=x> ; old < new | |
| 69 | try( 8525, 2081, 8534); # old=x , new=x><x ; old < new | |
| 70 | try(15550, 834, 1428); # old=x> , new=x><x ; old < new | |
| 71 | try(14966, 1668, 3479); # old=x><x , new=x><x ; old < new | |
| 72 | try(16316, 1605, 1605); # old=x><x , new=x><x ; old = new | |
| 73 | try(16093, 4074, 993); # old=x><x , new=x><x ; old > new | |
| 74 | try(14739, 9837, 9837); # old=x><x> , new=x><x ; old = new | |
| 75 | try(14071, 10505, 7344); # old=x><x> , new=x><x ; old > new | |
| 76 | try(12602, 0, 8354); # old=0 , new=x><x ; old < new | |
| 77 | try( 8192, 2767, 8192); # old=<x , new=<x> ; old < new | |
| 78 | try( 8192, 8192, 8192); # old=<x> , new=<x> ; old = new | |
| 79 | try( 8192, 14817, 8192); # old=<x><x , new=<x> ; old > new | |
| 80 | try( 8192, 16384, 8192); # old=<x><x> , new=<x> ; old > new | |
| 81 | try( 8192, 24576, 8192); # old=<x><x><x>, new=<x> ; old > new | |
| 82 | try( 8192, 0, 8192); # old=0 , new=<x> ; old < new | |
| 83 | try( 8192, 6532, 10882); # old=<x , new=<x><x ; old < new | |
| 84 | try( 8192, 8192, 16044); # old=<x> , new=<x><x ; old < new | |
| 85 | try( 8192, 9555, 11020); # old=<x><x , new=<x><x ; old < new | |
| 86 | try( 8192, 9001, 9001); # old=<x><x , new=<x><x ; old = new | |
| 87 | try( 8192, 11760, 10274); # old=<x><x , new=<x><x ; old > new | |
| 88 | try( 8192, 16384, 10781); # old=<x><x> , new=<x><x ; old > new | |
| 89 | try( 8192, 24576, 9284); # old=<x><x><x>, new=<x><x ; old > new | |
| 90 | try( 8192, 0, 12488); # old=0 , new=<x><x ; old < new | |
| 91 | try( 8222, 6385, 16354); # old=x , new=x><x> ; old < new | |
| 92 | try(13500, 2884, 11076); # old=x> , new=x><x> ; old < new | |
| 93 | try(14069, 4334, 10507); # old=x><x , new=x><x> ; old < new | |
| 94 | try(14761, 9815, 9815); # old=x><x> , new=x><x> ; old = new | |
| 95 | try(10469, 0, 14107); # old=0 , new=x><x> ; old < new | |
| 96 | try( 8192, 4181, 16384); # old=<x , new=<x><x> ; old < new | |
| 97 | try( 8192, 8192, 16384); # old=<x> , new=<x><x> ; old < new | |
| 98 | try( 8192, 12087, 16384); # old=<x><x , new=<x><x> ; old < new | |
| 99 | try( 8192, 16384, 16384); # old=<x><x> , new=<x><x> ; old = new | |
| 100 | try( 8192, 24576, 16384); # old=<x><x><x>, new=<x><x> ; old > new | |
| 101 | try( 8192, 0, 16384); # old=0 , new=<x><x> ; old < new | |
| 102 | try( 8192, 4968, 24576); # old=<x , new=<x><x><x>; old < new | |
| 103 | try( 8192, 8192, 24576); # old=<x> , new=<x><x><x>; old < new | |
| 104 | try( 8192, 14163, 24576); # old=<x><x , new=<x><x><x>; old < new | |
| 105 | try( 8192, 16384, 24576); # old=<x><x> , new=<x><x><x>; old < new | |
| 106 | try( 8192, 24576, 24576); # old=<x><x><x>, new=<x><x><x>; old = new | |
| 107 | try( 8192, 0, 24576); # old=0 , new=<x><x><x>; old < new | |
| 108 | try( 8771, 776, 0); # old=x , new=0 ; old > new | |
| 109 | try( 8192, 2813, 0); # old=<x , new=0 ; old > new | |
| 110 | try(13945, 2439, 0); # old=x> , new=0 ; old > new | |
| 111 | try(14493, 6090, 0); # old=x><x , new=0 ; old > new | |
| 112 | try( 8192, 8192, 0); # old=<x> , new=0 ; old > new | |
| 113 | try( 8192, 10030, 0); # old=<x><x , new=0 ; old > new | |
| 114 | try(14983, 9593, 0); # old=x><x> , new=0 ; old > new | |
| 115 | try( 8192, 16384, 0); # old=<x><x> , new=0 ; old > new | |
| 116 | try( 8192, 24576, 0); # old=<x><x><x>, new=0 ; old > new | |
| 117 | try(10489, 0, 0); # old=0 , new=0 ; old = new | |
| 118 | ||
| 119 | # (142-223) | |
| 120 | # These tests all take place at the start of the file | |
| 121 | try( 0, 771, 1593); # old=<x , new=<x ; old < new | |
| 122 | try( 0, 4868, 4868); # old=<x , new=<x ; old = new | |
| 123 | try( 0, 147, 118); # old=<x , new=<x ; old > new | |
| 124 | try( 0, 8192, 8192); # old=<x> , new=<x ; old = new | |
| 125 | try( 0, 8192, 4574); # old=<x> , new=<x ; old > new | |
| 126 | try( 0, 11891, 1917); # old=<x><x , new=<x ; old > new | |
| 127 | try( 0, 16384, 5155); # old=<x><x> , new=<x ; old > new | |
| 128 | try( 0, 24576, 2953); # old=<x><x><x>, new=<x ; old > new | |
| 129 | try( 0, 0, 1317); # old=0 , new=<x ; old < new | |
| 130 | try( 0, 5609, 8192); # old=<x , new=<x> ; old < new | |
| 131 | try( 0, 8192, 8192); # old=<x> , new=<x> ; old = new | |
| 132 | try( 0, 11083, 8192); # old=<x><x , new=<x> ; old > new | |
| 133 | try( 0, 16384, 8192); # old=<x><x> , new=<x> ; old > new | |
| 134 | try( 0, 24576, 8192); # old=<x><x><x>, new=<x> ; old > new | |
| 135 | try( 0, 0, 8192); # old=0 , new=<x> ; old < new | |
| 136 | try( 0, 6265, 9991); # old=<x , new=<x><x ; old < new | |
| 137 | try( 0, 8192, 16119); # old=<x> , new=<x><x ; old < new | |
| 138 | try( 0, 10218, 11888); # old=<x><x , new=<x><x ; old < new | |
| 139 | try( 0, 14126, 14126); # old=<x><x , new=<x><x ; old = new | |
| 140 | try( 0, 12002, 9034); # old=<x><x , new=<x><x ; old > new | |
| 141 | try( 0, 16384, 13258); # old=<x><x> , new=<x><x ; old > new | |
| 142 | try( 0, 24576, 14367); # old=<x><x><x>, new=<x><x ; old > new | |
| 143 | try( 0, 0, 10881); # old=0 , new=<x><x ; old < new | |
| 144 | try( 0, 6448, 16384); # old=<x , new=<x><x> ; old < new | |
| 145 | try( 0, 8192, 16384); # old=<x> , new=<x><x> ; old < new | |
| 146 | try( 0, 15082, 16384); # old=<x><x , new=<x><x> ; old < new | |
| 147 | try( 0, 16384, 16384); # old=<x><x> , new=<x><x> ; old = new | |
| 148 | try( 0, 24576, 16384); # old=<x><x><x>, new=<x><x> ; old > new | |
| 149 | try( 0, 0, 16384); # old=0 , new=<x><x> ; old < new | |
| 150 | try( 0, 2421, 24576); # old=<x , new=<x><x><x>; old < new | |
| 151 | try( 0, 8192, 24576); # old=<x> , new=<x><x><x>; old < new | |
| 152 | try( 0, 11655, 24576); # old=<x><x , new=<x><x><x>; old < new | |
| 153 | try( 0, 16384, 24576); # old=<x><x> , new=<x><x><x>; old < new | |
| 154 | try( 0, 24576, 24576); # old=<x><x><x>, new=<x><x><x>; old = new | |
| 155 | try( 0, 0, 24576); # old=0 , new=<x><x><x>; old < new | |
| 156 | try( 0, 6530, 0); # old=<x , new=0 ; old > new | |
| 157 | try( 0, 8192, 0); # old=<x> , new=0 ; old > new | |
| 158 | try( 0, 14707, 0); # old=<x><x , new=0 ; old > new | |
| 159 | try( 0, 16384, 0); # old=<x><x> , new=0 ; old > new | |
| 160 | try( 0, 24576, 0); # old=<x><x><x>, new=0 ; old > new | |
| 161 | try( 0, 0, 0); # old=0 , new=0 ; old = new | |
| 162 | ||
| 163 | # (224-277) | |
| 164 | # These tests all take place at the end of the file | |
| 165 | $FLEN = 40960; # Force the file to be exactly 40960 bytes long | |
| 166 | try(32768, 8192, 8192); # old=<x> , new=<x ; old = new | |
| 167 | try(32768, 8192, 4026); # old=<x> , new=<x ; old > new | |
| 168 | try(24576, 16384, 1917); # old=<x><x> , new=<x ; old > new | |
| 169 | try(16384, 24576, 3818); # old=<x><x><x>, new=<x ; old > new | |
| 170 | try(40960, 0, 2779); # old=0 , new=<x ; old < new | |
| 171 | try(32768, 8192, 8192); # old=<x> , new=<x> ; old = new | |
| 172 | try(24576, 16384, 8192); # old=<x><x> , new=<x> ; old > new | |
| 173 | try(16384, 24576, 8192); # old=<x><x><x>, new=<x> ; old > new | |
| 174 | try(40960, 0, 8192); # old=0 , new=<x> ; old < new | |
| 175 | try(32768, 8192, 10724); # old=<x> , new=<x><x ; old < new | |
| 176 | try(24576, 16384, 12221); # old=<x><x> , new=<x><x ; old > new | |
| 177 | try(16384, 24576, 15030); # old=<x><x><x>, new=<x><x ; old > new | |
| 178 | try(40960, 0, 11752); # old=0 , new=<x><x ; old < new | |
| 179 | try(32768, 8192, 16384); # old=<x> , new=<x><x> ; old < new | |
| 180 | try(24576, 16384, 16384); # old=<x><x> , new=<x><x> ; old = new | |
| 181 | try(16384, 24576, 16384); # old=<x><x><x>, new=<x><x> ; old > new | |
| 182 | try(40960, 0, 16384); # old=0 , new=<x><x> ; old < new | |
| 183 | try(32768, 8192, 24576); # old=<x> , new=<x><x><x>; old < new | |
| 184 | try(24576, 16384, 24576); # old=<x><x> , new=<x><x><x>; old < new | |
| 185 | try(16384, 24576, 24576); # old=<x><x><x>, new=<x><x><x>; old = new | |
| 186 | try(40960, 0, 24576); # old=0 , new=<x><x><x>; old < new | |
| 187 | try(35973, 4987, 0); # old=x> , new=0 ; old > new | |
| 188 | try(32768, 8192, 0); # old=<x> , new=0 ; old > new | |
| 189 | try(29932, 11028, 0); # old=x><x> , new=0 ; old > new | |
| 190 | try(24576, 16384, 0); # old=<x><x> , new=0 ; old > new | |
| 191 | try(16384, 24576, 0); # old=<x><x><x>, new=0 ; old > new | |
| 192 | try(40960, 0, 0); # old=0 , new=0 ; old = new | |
| 193 | ||
| 194 | # (278-357) | |
| 195 | # These tests all take place at the end of the file | |
| 196 | $FLEN = 42000; # Force the file to be exactly 42000 bytes long | |
| 197 | try(41275, 725, 4059); # old=x , new=x ; old < new | |
| 198 | try(41683, 317, 317); # old=x , new=x ; old = new | |
| 199 | try(41225, 775, 405); # old=x , new=x ; old > new | |
| 200 | try(35709, 6291, 284); # old=x><x , new=x ; old > new | |
| 201 | try(42000, 0, 2434); # old=0 , new=x ; old < new | |
| 202 | try(40960, 1040, 1608); # old=<x , new=<x ; old < new | |
| 203 | try(40960, 1040, 1040); # old=<x , new=<x ; old = new | |
| 204 | try(40960, 1040, 378); # old=<x , new=<x ; old > new | |
| 205 | try(32768, 9232, 5604); # old=<x><x , new=<x ; old > new | |
| 206 | try(42000, 0, 6637); # old=0 , new=<x ; old < new | |
| 207 | try(41022, 978, 8130); # old=x , new=x> ; old < new | |
| 208 | try(39994, 2006, 966); # old=x><x , new=x> ; old > new | |
| 209 | try(42000, 0, 7152); # old=0 , new=x> ; old < new | |
| 210 | try(41613, 387, 10601); # old=x , new=x><x ; old < new | |
| 211 | try(38460, 3540, 3938); # old=x><x , new=x><x ; old < new | |
| 212 | try(36725, 5275, 5275); # old=x><x , new=x><x ; old = new | |
| 213 | try(37990, 4010, 3199); # old=x><x , new=x><x ; old > new | |
| 214 | try(42000, 0, 9189); # old=0 , new=x><x ; old < new | |
| 215 | try(40960, 1040, 8192); # old=<x , new=<x> ; old < new | |
| 216 | try(32768, 9232, 8192); # old=<x><x , new=<x> ; old > new | |
| 217 | try(42000, 0, 8192); # old=0 , new=<x> ; old < new | |
| 218 | try(40960, 1040, 11778); # old=<x , new=<x><x ; old < new | |
| 219 | try(32768, 9232, 13792); # old=<x><x , new=<x><x ; old < new | |
| 220 | try(32768, 9232, 9232); # old=<x><x , new=<x><x ; old = new | |
| 221 | try(32768, 9232, 8795); # old=<x><x , new=<x><x ; old > new | |
| 222 | try(42000, 0, 8578); # old=0 , new=<x><x ; old < new | |
| 223 | try(41531, 469, 15813); # old=x , new=x><x> ; old < new | |
| 224 | try(39618, 2382, 9534); # old=x><x , new=x><x> ; old < new | |
| 225 | try(42000, 0, 15344); # old=0 , new=x><x> ; old < new | |
| 226 | try(40960, 1040, 16384); # old=<x , new=<x><x> ; old < new | |
| 227 | try(32768, 9232, 16384); # old=<x><x , new=<x><x> ; old < new | |
| 228 | try(42000, 0, 16384); # old=0 , new=<x><x> ; old < new | |
| 229 | try(40960, 1040, 24576); # old=<x , new=<x><x><x>; old < new | |
| 230 | try(32768, 9232, 24576); # old=<x><x , new=<x><x><x>; old < new | |
| 231 | try(42000, 0, 24576); # old=0 , new=<x><x><x>; old < new | |
| 232 | try(41500, 500, 0); # old=x , new=0 ; old > new | |
| 233 | try(40960, 1040, 0); # old=<x , new=0 ; old > new | |
| 234 | try(35272, 6728, 0); # old=x><x , new=0 ; old > new | |
| 235 | try(32768, 9232, 0); # old=<x><x , new=0 ; old > new | |
| 236 | try(42000, 0, 0); # old=0 , new=0 ; old = new | |
| 237 | ||
| 6ae23f41 JH |
238 | sub try { |
| 239 | my ($pos, $len, $newlen) = @_; | |
| 240 | open F, "> $file" or die "Couldn't open file $file: $!"; | |
| 241 | binmode F; | |
| 242 | ||
| 243 | # The record has exactly 17 characters. This will help ensure that | |
| 244 | # even if _downcoopy screws up, the data doesn't coincidentally | |
| 245 | # look good because the remainder accidentally lines up. | |
| 246 | my $d = substr("0123456789abcdef$:", -17); | |
| 247 | my $recs = defined($FLEN) ? | |
| 248 | int($FLEN/length($d))+1 : # enough to make up at least $FLEN | |
| 249 | int(8192*5/length($d))+1; # at least 5 blocks' worth | |
| 250 | my $oldfile = $d x $recs; | |
| 251 | my $flen = defined($FLEN) ? $FLEN : $recs * 17; | |
| 252 | substr($oldfile, $FLEN) = "" if defined $FLEN; # truncate | |
| 253 | print F $oldfile; | |
| 254 | close F; | |
| 255 | ||
| 256 | die "wrong length!" unless -s $file == $flen; | |
| 257 | ||
| 258 | my $newdata = "-" x $newlen; | |
| 259 | my $expected = $oldfile; | |
| 260 | my $old = defined $len ? substr($expected, $pos, $len) | |
| 261 | : substr($expected, $pos); | |
| 262 | $old = "$newdata$old"; | |
| 263 | my $x_retval; | |
| 264 | if (defined $len) { | |
| 265 | substr($expected, $pos, $len, substr($old, 0, $len, "")); | |
| 266 | $x_retval = $old; | |
| 267 | } else { | |
| 268 | substr($expected, $pos) = $old; | |
| 269 | $x_retval = ""; | |
| 270 | } | |
| 271 | ||
| 272 | my $o = tie my @lines, 'Tie::File', $file or die $!; | |
| 273 | local $SIG{ALRM} = sub { die "Alarm clock" }; | |
| 274 | my $a_retval = eval { alarm(5) unless $^P; $o->_downcopy($newdata, $pos, $len) }; | |
| 275 | my $err = $@; | |
| 79a3c49f | 276 | undef $o; untie @lines; alarm(0); |
| 6ae23f41 JH |
277 | if ($err) { |
| 278 | if ($err =~ /^Alarm clock/) { | |
| 279 | print "# Timeout\n"; | |
| 280 | print "not ok $N\n"; $N++; | |
| 281 | print "not ok $N\n"; $N++; | |
| 282 | return; | |
| 283 | } else { | |
| 284 | $@ = $err; | |
| 285 | die; | |
| 286 | } | |
| 287 | } | |
| 288 | ||
| 289 | open F, "< $file" or die "Couldn't open file $file: $!"; | |
| 290 | binmode F; | |
| 291 | my $actual; | |
| 292 | { local $/; | |
| 293 | $actual = <F>; | |
| 294 | } | |
| 295 | close F; | |
| 296 | ||
| 297 | my ($alen, $xlen) = (length $actual, length $expected); | |
| 298 | unless ($alen == $xlen) { | |
| 299 | my @ARGS = @_; | |
| 300 | for (@ARGS) { $_ = "UNDEF" unless defined } | |
| 301 | print "# try(@ARGS) expected file length $xlen, actual $alen!\n"; | |
| 302 | } | |
| 303 | print $actual eq $expected ? "ok $N\n" : "not ok $N\n"; | |
| 304 | $N++; | |
| 305 | print $a_retval eq $x_retval ? "ok $N\n" : "not ok $N\n"; | |
| 306 | $N++; | |
| 307 | ||
| 308 | if (defined $len) { | |
| 309 | try($pos, undef, $newlen); | |
| 310 | } | |
| 311 | } | |
| 312 | ||
| 313 | ||
| 314 | ||
| 315 | use POSIX 'SEEK_SET'; | |
| 316 | sub check_contents { | |
| 317 | my @c = @_; | |
| 318 | my $x = join $:, @c, ''; | |
| 319 | local *FH = $o->{fh}; | |
| 320 | seek FH, 0, SEEK_SET; | |
| 321 | # my $open = open FH, "< $file"; | |
| 322 | my $a; | |
| 323 | { local $/; $a = <FH> } | |
| 324 | $a = "" unless defined $a; | |
| 325 | if ($a eq $x) { | |
| 326 | print "ok $N\n"; | |
| 327 | } else { | |
| 328 | ctrlfix($a, $x); | |
| 329 | print "not ok $N\n# expected <$x>, got <$a>\n"; | |
| 330 | } | |
| 331 | $N++; | |
| 332 | ||
| 333 | # now check FETCH: | |
| 334 | my $good = 1; | |
| 335 | my $msg; | |
| 336 | for (0.. $#c) { | |
| 337 | my $aa = $a[$_]; | |
| 338 | unless ($aa eq "$c[$_]$:") { | |
| 339 | $msg = "expected <$c[$_]$:>, got <$aa>"; | |
| 340 | ctrlfix($msg); | |
| 341 | $good = 0; | |
| 342 | } | |
| 343 | } | |
| 344 | print $good ? "ok $N\n" : "not ok $N # $msg\n"; | |
| 345 | $N++; | |
| 346 | ||
| 347 | print $o->_check_integrity($file, $ENV{INTEGRITY}) | |
| 348 | ? "ok $N\n" : "not ok $N\n"; | |
| 349 | $N++; | |
| 350 | } | |
| 351 | ||
| 352 | sub ctrlfix { | |
| 353 | for (@_) { | |
| 354 | s/\n/\\n/g; | |
| 355 | s/\r/\\r/g; | |
| 356 | } | |
| 357 | } | |
| 358 | ||
| 359 | END { | |
| 360 | undef $o; | |
| 361 | untie @a; | |
| 362 | 1 while unlink $file; | |
| 363 | } |