use Exporter;
use vars qw(@ISA @EXPORT @EXPORT_OK $VERSION);
-$VERSION = '3.08';
+$VERSION = '3.12';
@ISA = qw/ Exporter /;
@EXPORT = qw(cwd getcwd fastcwd fastgetcwd);
# The 'natural and safe form' for UNIX (pwd may be setuid root)
sub _backtick_pwd {
- local @ENV{qw(PATH IFS CDPATH ENV BASH_ENV)};
+ # Localize %ENV entries in a way that won't create new hash keys
+ my @localize = grep exists $ENV{$_}, qw(PATH IFS CDPATH ENV BASH_ENV);
+ local @ENV{@localize};
+
my $cwd = `$pwd_cmd`;
# Belt-and-suspenders in case someone said "undef $/".
local $/ = "\n";
return $ENV{'PWD'};
}
-*_NT_cwd = \&_win32_cwd if (!defined &_NT_cwd &&
- defined &Win32::GetCwd);
-
-*_NT_cwd = \&_os2_cwd unless defined &_NT_cwd;
+*_NT_cwd = defined &Win32::GetCwd ? \&_win32_cwd : \&_os2_cwd;
sub _dos_cwd {
if (!defined &Dos::GetCwd) {