From 0afaf9eb1b9da50fb5869d12ff8a6389d176ce26 Mon Sep 17 00:00:00 2001
From: Pragmatic Software <pragma78@gmail.com>
Date: Sat, 17 Jan 2015 04:39:19 -0800
Subject: [PATCH] Show usage if no code given

---
 modules/compiler_vm/compiler_vm_client.pl | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/compiler_vm/compiler_vm_client.pl b/modules/compiler_vm/compiler_vm_client.pl
index e657cc85..79a0ec70 100755
--- a/modules/compiler_vm/compiler_vm_client.pl
+++ b/modules/compiler_vm/compiler_vm_client.pl
@@ -33,6 +33,11 @@ my $nick    = shift @ARGV // (print "Missing nick argument.\n" and die);
 my $channel = shift @ARGV // (print "Missing channel argument.\n" and die);
 my $code    = join(' ', @ARGV);
 
+if (not length $code) {
+  print "$nick: Usage: cc [-paste] [-nomain] [-lang=<language>] [-info] [language options] <code> [-input=<stdin input>]\n";
+  exit;
+}
+
 my $lang = $language->new(nick => $nick, channel => $channel, lang => $language, code => $code);
 
 $lang->process_interactive_edit;