From 5615abbb4d9958913188f511c9edb78809756acc Mon Sep 17 00:00:00 2001 From: Thierry Parmentelat Date: Tue, 31 May 2011 12:17:12 +0200 Subject: [PATCH] prefer $() over backquotes --- exec/vif_down | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/exec/vif_down b/exec/vif_down index af4be16..b36f1d6 100755 --- a/exec/vif_down +++ b/exec/vif_down @@ -38,7 +38,7 @@ if re.match(r'(tun|tap)%d-\d+' % sliceid, vif ) is None: public_src = os.popen("ifconfig | grep $(ip route | grep default | awk '{print $3}' | awk -F. '{print $1\"[.]\"$2}') | head -1 | awk '{print $2}' | awk -F : '{print $2}'").read().rstrip() cmd_iptables_del_in = "/sbin/iptables -D INPUT -i %s -m mark ! --mark %d -j DROP 2>/dev/null" % (vif, sliceid) cmd_iptables_del_out = "/sbin/iptables -D OUTPUT -o %s -m mark ! --mark %d -j DROP 2>/dev/null" % (vif, sliceid) -cmd_iptables_del_pr = "/sbin/iptables -t nat -D POSTROUTING -s `ip ro | grep 'dev %s' | head -1 | awk '{print $1}'` -j SNAT --to-source %s --random" % (vif, public_src,) +cmd_iptables_del_pr = "/sbin/iptables -t nat -D POSTROUTING -s $(ip ro | grep 'dev %s' | head -1 | awk '{print $1}') -j SNAT --to-source %s --random" % (vif, public_src,) os.system(cmd_iptables_del_in) os.system(cmd_iptables_del_out) -- 2.43.0