+warn "Legacy library @{[(caller(0))[6]]} will be removed from the Perl core distribution in the next major release. Please install it from the CPAN distribution Perl4::CoreLibs. It is being used at @{[(caller)[1]]}, line @{[(caller)[2]]}.\n";
+
;# 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.
+# This legacy library is deprecated and will be removed in a future
+# release of perl.
+#
+# 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 $
if ($ENV{'PWD'}) {
local($dd,$di) = stat('.');
local($pd,$pi) = stat($ENV{'PWD'});
- if ($di != $pi || $dd != $pd) {
+ if (!defined $dd or !defined $pd or $di != $pi or $dd != $pd) {
chop($ENV{'PWD'} = `pwd`);
}
}
if ($ENV{'PWD'} =~ m|(/[^/]+(/[^/]+/[^/]+))(.*)|) {
local($pd,$pi) = stat($2);
local($dd,$di) = stat($1);
- if ($di == $pi && $dd == $pd) {
+ 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;