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-rw-r--r--contrib/perl5/lib/Shell.pm60
1 files changed, 49 insertions, 11 deletions
diff --git a/contrib/perl5/lib/Shell.pm b/contrib/perl5/lib/Shell.pm
index f4ef431..62aa829 100644
--- a/contrib/perl5/lib/Shell.pm
+++ b/contrib/perl5/lib/Shell.pm
@@ -1,6 +1,8 @@
package Shell;
+use 5.005_64;
+our($capture_stderr, $VERSION);
-use Config;
+$VERSION = '0.2';
sub import {
my $self = shift;
@@ -20,12 +22,12 @@ sub import {
AUTOLOAD {
my $cmd = $AUTOLOAD;
$cmd =~ s/^.*:://;
- eval qq {
- *$AUTOLOAD = sub {
+ eval <<"*END*";
+ sub $AUTOLOAD {
if (\@_ < 1) {
- `$cmd`;
+ \$Shell::capture_stderr ? `$cmd 2>&1` : `$cmd`;
}
- elsif (\$Config{'archname'} eq 'os2') {
+ elsif ('$^O' eq 'os2') {
local(\*SAVEOUT, \*READ, \*WRITE);
open SAVEOUT, '>&STDOUT' or die;
@@ -33,8 +35,8 @@ AUTOLOAD {
open STDOUT, '>&WRITE' or die;
close WRITE;
- my \$pid = system(1, \$cmd, \@_);
- die "Can't execute $cmd: \$!\n" if \$pid < 0;
+ my \$pid = system(1, '$cmd', \@_);
+ die "Can't execute $cmd: \$!\\n" if \$pid < 0;
open STDOUT, '>&SAVEOUT' or die;
close SAVEOUT;
@@ -54,9 +56,34 @@ AUTOLOAD {
}
}
else {
- open(SUBPROC, "-|")
- or exec '$cmd', \@_
- or die "Can't exec $cmd: \$!\n";
+ my \$a;
+ my \@arr = \@_;
+ if ('$^O' eq 'MSWin32') {
+ # XXX this special-casing should not be needed
+ # if we do quoting right on Windows. :-(
+ #
+ # First, escape all quotes. Cover the case where we
+ # want to pass along a quote preceded by a backslash
+ # (i.e., C<"param \\""" end">).
+ # Ugly, yup? You know, windoze.
+ # Enclose in quotes only the parameters that need it:
+ # try this: c:\> dir "/w"
+ # and this: c:\> dir /w
+ for (\@arr) {
+ s/"/\\\\"/g;
+ s/\\\\\\\\"/\\\\\\\\"""/g;
+ \$_ = qq["\$_"] if /\\s/;
+ }
+ }
+ else {
+ for (\@arr) {
+ s/(['\\\\])/\\\\\$1/g;
+ \$_ = "'\$_'";
+ }
+ }
+ push \@arr, '2>&1' if \$Shell::capture_stderr;
+ open(SUBPROC, join(' ', '$cmd', \@arr, '|'))
+ or die "Can't exec $cmd: \$!\\n";
if (wantarray) {
my \@ret = <SUBPROC>;
close SUBPROC; # XXX Oughta use a destructor.
@@ -70,7 +97,9 @@ AUTOLOAD {
}
}
}
- };
+*END*
+
+ die "$@\n" if $@;
goto &$AUTOLOAD;
}
@@ -119,8 +148,17 @@ usage should be
Larry
+If you set $Shell::capture_stderr to 1, the module will attempt to
+capture the STDERR of the process as well.
+
+The module now should work on Win32.
+
+ Jenda
+
=head1 AUTHOR
Larry Wall
+Changes by Jenda@Krynicky.cz and Dave Cottle <d.cottle@csc.canterbury.ac.nz>
+
=cut
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