Add sort-deb, a script to sort version numbers using dpkg --compare-versions

git-svn-id: svn+ssh://asteria.noreply.org/svn/weaselutils/trunk@460 bc3d92e2-beff-0310-a7cd-cc87d7ac0ede

1 files changed, 32 insertions, 0 deletions

diff --git a/sort-deb b/sort-deb
new file mode 100755
index 0000000..37e90ad
--- /dev/null
+++ b/sort-deb
@@ -0,0 +1,32 @@
+#!/usr/bin/perl
+
+# Copyright (c) 2010 Uli Martens <uli@youam.net>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+# 1. Redistributions of source code must retain the above copyright notice,
+#    this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+#    this list of conditions and the following disclaimer in the documentation
+#    and/or other materials provided with the distribution.
+# 3. The name of the author may not be used to endorse or promote products
+#    derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+sub dpkgcmp{my ($i,$j)=@_;chomp $i;chomp $j;
+	return system("        dpkg --compare-versions  $i  lt  $j            " ) * 1 
+	     + system("        dpkg --compare-versions  $i  gt  $j            " ) *-1;
+		;}
+print (sort {dpkgcmp($a,$b)} <>);