From 470a8410bd5b9d97d51e81b8940efa38d154e2f5 Mon Sep 17 00:00:00 2001
From: rbeverly <rbeverly@nps.edu>
Date: Tue, 13 Sep 2016 14:57:42 -0700
Subject: [PATCH] Permit trace target argument as filter

---
 sc_warts2text.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sc_warts2text.py b/sc_warts2text.py
index 70f1abf..720993f 100755
--- a/sc_warts2text.py
+++ b/sc_warts2text.py
@@ -8,13 +8,16 @@ import sys
 from sc_stats import WartsStats
 
 if __name__ == "__main__":
-  assert len(sys.argv) == 2
+  assert len(sys.argv) >= 2
+  target = None
+  if len(sys.argv) == 3: target = sys.argv[2]
 
   w = WartsStats(sys.argv[1], verbose=False)
   while True:
     try:
       (flags, ips, rtts, meta) = w.next_trace()
       if flags == None: break
+      if target and target != flags['dstaddr']: continue
       print "traceroute from %s to %s" % (flags['srcaddr'], flags['dstaddr'])
       for i, ip in enumerate(ips):
         ttl = i+1