1 files changed, 72 insertions, 0 deletions
diff --git a/ponysaylinklist.pl b/ponysaylinklist.pl
new file mode 100755
index 0000000..ec6ff9b
--- /dev/null
+++ b/ponysaylinklist.pl
@@ -0,0 +1,72 @@
+#!/usr/bin/perl
+
+# ponysaylist
+# Prints a list of ponies in columns
+# 
+# Licensed under WTFPL
+# See COPYING for details
+
+# Author: Mattias Andrée, maandree@kth.se
+
+
+%hash = ();
+$argc = @ARGV;
+
+$i = 0;
+while ($i < $argc)
+{
+    $source = $ARGV[$i];
+    $i += 1;
+    $target = $ARGV[$i];
+    $i += 1;
+    if ($source eq $target)
+    {
+        $hash{$source} = [ () ];
+    }
+}
+
+$i = 0;
+while ($i < $argc)
+{
+    $source = $ARGV[$i];
+    $i += 1;
+    $target = $ARGV[$i];
+    $i += 1;
+    unless ($source eq $target)
+    {
+        push @{ $hash{$target} }, $source;
+    }
+}
+
+$i = 0;
+while ($i < $argc)
+{
+    $source = $ARGV[$i];
+    $i += 1;
+    $target = $ARGV[$i];
+    $i += 1;
+    if ($source eq $target)
+    {
+        @list = @{ $hash{$source} };
+        $first = 1;
+        print $source;
+        foreach $link (@list)
+        {
+            if ($first eq 1)
+            {
+                print " (".$link;
+                $first = 0;
+            }
+            else
+            {
+                print " ".$link;
+            }
+        }
+        if ($first eq 0)
+        {
+            print ")";
+        }
+        print "\n";
+    }
+}
+