+sub exit_usage # {{{
+{
+ print STDERR <<EOF;
+migrate-4-5.px [OPTIONS]
+
+Valid options are:
+
+ --indir <dir> Source directory
+ Default: $InDir
+ --rrdtool <path> Path to the RRDtool binary
+ Default: $RRDtool
+ --rrdfilter <path> Path to the rrd_filter.px script
+ Default: $RRDFilter
+
+EOF
+ exit (1);
+} # }}} sub exit_usage
+
+GetOptions ("indir|i=s" => \$InDir,
+ "rrdtool=s" => \$RRDtool,
+ "rrdfilter=s" => \$RRDFilter,
+ "help|h" => \&exit_usage) or exit_usage ();
+
+print "#!/bin/bash\n\n";
+