X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=contrib%2Fmigrate-3-4.px;h=31abae4b38f52c41c62f918972768a4e30a884c4;hb=c8ec3924c92ad3ca15229e8e923eaece64221337;hp=cbbc179b8fb7f394e45f87037ccb78e55826d8d4;hpb=5afa2f82d43e2a7952d8f347f6f40b5778c59db8;p=collectd.git

diff --git a/contrib/migrate-3-4.px b/contrib/migrate-3-4.px
index cbbc179b..31abae4b 100755
--- a/contrib/migrate-3-4.px
+++ b/contrib/migrate-3-4.px
@@ -125,7 +125,7 @@ our %TypeRename =
 
 GetOptions ("indir|i=s" => \$InDir,
 	"outdir|o=s" => \$OutDir,
-	"hostname=s" => \$Hostname) or exit (1);
+	"hostname=s" => \$Hostname) or exit_usage ();
 
 die "No such directory: $InDir" if (!-d $InDir);
 
@@ -374,3 +374,11 @@ sub special_disk
 	$dest_filename = get_filename ($dest);
 	print "./extractDS.px -i '$InDir/$orig_filename' -s 'rtime' -s 'wtime' -o '$OutDir/$dest_filename' -d 'read' -d 'write'\n";
 }
+
+sub exit_usage
+{
+	print <<EOF;
+Usage: $0 [-i indir] [-o outdir] [--hostname myhostname]
+EOF
+	exit (1);
+}