From e324a39b04be463f0fa6021e5c5f26527ad3f082 Mon Sep 17 00:00:00 2001
From: Dima Kogan <dkogan@cds.caltech.edu>
Date: Mon, 3 Jan 2011 12:08:34 -0800
Subject: [PATCH] handle cmdline option errors as soon as possible

---
 feedGnuplot.pl | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/feedGnuplot.pl b/feedGnuplot.pl
index 5c5cdd3..9034687 100755
--- a/feedGnuplot.pl
+++ b/feedGnuplot.pl
@@ -169,6 +169,11 @@ GetOptions(\%options,
            'help',
            'dump') or die($usage);
 
+if( defined $options{help} )
+{
+  die($usage);
+}
+
 # set up plotting style
 my $style = '';
 if($options{lines})  { $style .= 'lines';}
@@ -176,12 +181,6 @@ if($options{points}) { $style .= 'points';}
 
 if(!$style) { $style = 'points'; }
 
-if( defined $options{help} )
-{
-  die($usage);
-}
-
-
 # list containing the plot data. Each element is a reference to a list, representing the data for
 # one curve. The first 'point' is a hash describing various curve parameters. The rest are all
 # references to lists of (x,y) tuples