freebsd-dev/contrib/perl5/lib/abbrev.pl

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;# Usage:
;# %foo = ();
;# &abbrev(*foo,LIST);
;# ...
;# $long = $foo{$short};
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;