diff options
Diffstat (limited to 'contrib/perl5/lib/pwd.pl')
-rw-r--r-- | contrib/perl5/lib/pwd.pl | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/contrib/perl5/lib/pwd.pl b/contrib/perl5/lib/pwd.pl deleted file mode 100644 index 6b429eb..0000000 --- a/contrib/perl5/lib/pwd.pl +++ /dev/null @@ -1,67 +0,0 @@ -;# pwd.pl - keeps track of current working directory in PWD environment var -;# -# -# 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: Cwd -# -;# $RCSfile: pwd.pl,v $$Revision: 4.1 $$Date: 92/08/07 18:24:11 $ -;# -;# $Log: pwd.pl,v $ -;# -;# Usage: -;# require "pwd.pl"; -;# &initpwd; -;# ... -;# &chdir($newdir); - -package pwd; - -sub main'initpwd { - if ($ENV{'PWD'}) { - local($dd,$di) = stat('.'); - local($pd,$pi) = stat($ENV{'PWD'}); - if (!defined $dd or !defined $pd or $di != $pi or $dd != $pd) { - chop($ENV{'PWD'} = `pwd`); - } - } - else { - chop($ENV{'PWD'} = `pwd`); - } - if ($ENV{'PWD'} =~ m|(/[^/]+(/[^/]+/[^/]+))(.*)|) { - local($pd,$pi) = stat($2); - local($dd,$di) = stat($1); - if (defined $pd and defined $dd and $di == $pi and $dd == $pd) { - $ENV{'PWD'}="$2$3"; - } - } -} - -sub main'chdir { - local($newdir) = shift; - $newdir =~ s|/{2,}|/|g; - if (chdir $newdir) { - if ($newdir =~ m#^/#) { - $ENV{'PWD'} = $newdir; - } - else { - local(@curdir) = split(m#/#,$ENV{'PWD'}); - @curdir = '' unless @curdir; - foreach $component (split(m#/#, $newdir)) { - next if $component eq '.'; - pop(@curdir),next if $component eq '..'; - push(@curdir,$component); - } - $ENV{'PWD'} = join('/',@curdir) || '/'; - } - } - else { - 0; - } -} - -1; |