--- /dev/null
+#! /usr/bin/perl
+#
+# $Id$
+
+use strict;
+use warnings;
+
+use IO::Handle;
+use Cwd qw(chdir fastgetcwd);
+
+use constant FORMATS=>{
+ "rpm"=>'rpm2cpio !|cpio -id --quiet', #-v #FIXME: --sparse doesn't work, why?
+ "zip"=>'unzip -Lq !',
+ "a" =>'ar x !',
+ "deb"=>'ar x !;for i in *.tar.gz;do j=`basename $i .tar.gz`;mkdir -p $j;cd $j;tar xzf ../$i;cd ..;rm -f $i;done',
+ };
+
+die "Syntax: $0 <pathname((".join("|",map(".$_",sort keys %{+FORMATS})).")|=<ext>)>..."
+ if !@ARGV;
+
+my $origdir=fastgetcwd;
+for my $fname (@ARGV) {
+ $fname=~m#([^/]+)([.=])(\L[^./]+\E)$# or die "Extension not found for archive: $fname";
+ my($path,$base,$ext)=($`,$1,$3);
+ my($pathname)=($2 eq "=" ? "$path$base" : $fname);
+ my $cmd=FORMATS->{$ext} or die "Extension \"$ext\" not known for archive: $fname";
+ -r $pathname && !-d $pathname or die "Archive not readable: $pathname";
+ my($extdir)=(-e $base && !-d $base ? "$base.dir" : $base);
+ -d $extdir or mkdir $extdir or die "Unable to create directory \"$extdir\": $!";
+ chdir $extdir or die "Unable to chdir to \"$extdir\": $!";
+ $pathname="../$pathname" if $pathname!~m#^/#;
+ $pathname=~s/'/'\\''/g;
+ $pathname="'$pathname'";
+ $cmd=~s/!/$pathname/g;
+ $cmd="set -ex;$cmd";
+ print "\t$extdir/:\n"; STDOUT->flush();
+ my $rc;
+ $rc=system $cmd and die "$cmd (rc=".($rc>>8)."): $!";
+ }
+ continue {
+ chdir $origdir;
+ }
+exit 0;