From d58d498d7251dbf3ea1e732a1ef16a0bf2651216 Mon Sep 17 00:00:00 2001
From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Date: Tue, 27 Jun 2017 09:20:01 +0200
Subject: arctica-testclient-nx3: Add simple usage check.

---
 arctica-testclient-nx3 | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arctica-testclient-nx3 b/arctica-testclient-nx3
index bf488cc..ec9c4bf 100755
--- a/arctica-testclient-nx3
+++ b/arctica-testclient-nx3
@@ -61,6 +61,14 @@
 ################################################################################
 
 @SIG{qw( INT TERM HUP )} = sub {print "TERMINATE!!! ($_[0])\n";cleanup();};
+
+use File::Basename;
+
+if (($#ARGV == -1) || (!( $ARGV[0] =~ m/.*@.*/))) {
+	printf ("\nusage: %s <user>@<host>\n\n", basename($0));
+	exit (0);
+}
+
 my $local_tadir = `arctica-getdir 2>/dev/null`;$local_tadir =~ s/\n//g;
 # CHANGE USERNAME AND IP/HOST:
 my $usernamenhost  = $ARGV[0];
-- 
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