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//usr/share/perl5/abbrev.pl
;# Usage: ;# %foo = (); ;# &abbrev(*foo,LIST); ;# ... ;# $long = $foo{$short}; # # This library is no longer being maintained, and is included for backward # compatibility with Perl 4 programs which may require it. # # In particular, this should not be used as an example of modern Perl # programming techniques. # # Suggested alternative: Text::Abbrev # package abbrev; sub main'abbrev { local(*domain) = @_; shift(@_); @cmp = @_; local($[) = 0; foreach $name (@_) { @extra = split(//,$name); $abbrev = shift(@extra); $len = 1; foreach $cmp (@cmp) { next if $cmp eq $name; while (@extra && substr($cmp,0,$len) eq $abbrev) { $abbrev .= shift(@extra); ++$len; } } $domain{$abbrev} = $name; while ($#extra >= 0) { $abbrev .= shift(@extra); $domain{$abbrev} = $name; } } } 1;
