Viewing file: getcwd.pl (1.39 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
# By Brandon S. Allbery # # 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 # # # Usage: $cwd = &getcwd;
sub getcwd { local($dotdots, $cwd, @pst, @cst, $dir, @tst);
unless (@cst = stat('.')) { warn "stat(.): $!"; return ''; } $cwd = ''; do { $dotdots .= '/' if $dotdots; $dotdots .= '..'; @pst = @cst; unless (opendir(getcwd'PARENT, $dotdots)) #')) { warn "opendir($dotdots): $!"; return ''; } unless (@cst = stat($dotdots)) { warn "stat($dotdots): $!"; closedir(getcwd'PARENT); #'); return ''; } if ($pst[$[] == $cst[$[] && $pst[$[ + 1] == $cst[$[ + 1]) { $dir = ''; } else { do { unless (defined ($dir = readdir(getcwd'PARENT))) #')) { warn "readdir($dotdots): $!"; closedir(getcwd'PARENT); #'); return ''; } unless (@tst = lstat("$dotdots/$dir")) { # warn "lstat($dotdots/$dir): $!"; # closedir(getcwd'PARENT); #'); # return ''; } } while ($dir eq '.' || $dir eq '..' || $tst[$[] != $pst[$[] || $tst[$[ + 1] != $pst[$[ + 1]); } $cwd = "$dir/$cwd"; closedir(getcwd'PARENT); #'); } while ($dir ne ''); chop($cwd); $cwd; }
1;
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