From 7de6e179ecc83084115ea35209572540540a1ecd Mon Sep 17 00:00:00 2001
From: Neale Pickett <neale@lanl.gov>
Date: Fri, 9 Oct 2009 10:28:57 -0600
Subject: [PATCH] Histogram will always have a valid png now

---
 ctf/histogram.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ctf/histogram.py b/ctf/histogram.py
index 542b534..3c7426c 100755
--- a/ctf/histogram.py
+++ b/ctf/histogram.py
@@ -59,12 +59,13 @@ set xtics nomirror
 set ytics nomirror
 set nokey
 set terminal png transparent size 640,200 x000000 xffffff
-set output "%(pngout)s"
+set output "%(pngout)s,tmp"
 plot %(plot)s\n''' % {'plot': ','.join(plotparts),
                       'pngout': pngout})
     instructions.flush()
 
     gp = os.system('gnuplot %s 2>/dev/null </dev/null' % instructions.name)
+    os.rename("%s,tmp" % pngout, pngout)
 
 if __name__ == '__main__':
     main()