| 1 | ;# Usage: |
| 2 | ;# %foo = (); |
| 3 | ;# &abbrev(*foo,LIST); |
| 4 | ;# ... |
| 5 | ;# $long = $foo{$short}; |
| 6 | |
| 7 | # |
| 8 | # This library is no longer being maintained, and is included for backward |
| 9 | # compatibility with Perl 4 programs which may require it. |
| 10 | # |
| 11 | # In particular, this should not be used as an example of modern Perl |
| 12 | # programming techniques. |
| 13 | # |
| 14 | # Suggested alternative: Text::Abbrev |
| 15 | # |
| 16 | |
| 17 | package abbrev; |
| 18 | |
| 19 | sub main'abbrev { |
| 20 | local(*domain) = @_; |
| 21 | shift(@_); |
| 22 | @cmp = @_; |
| 23 | local($[) = 0; |
| 24 | foreach $name (@_) { |
| 25 | @extra = split(//,$name); |
| 26 | $abbrev = shift(@extra); |
| 27 | $len = 1; |
| 28 | foreach $cmp (@cmp) { |
| 29 | next if $cmp eq $name; |
| 30 | while (@extra && substr($cmp,0,$len) eq $abbrev) { |
| 31 | $abbrev .= shift(@extra); |
| 32 | ++$len; |
| 33 | } |
| 34 | } |
| 35 | $domain{$abbrev} = $name; |
| 36 | while ($#extra >= 0) { |
| 37 | $abbrev .= shift(@extra); |
| 38 | $domain{$abbrev} = $name; |
| 39 | } |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | 1; |