* Vadim Kochan <vadi...@gmail.com> [15.06.2015 18:36]: > > root@box:~ ip route list exact '0.0.0.0/8' > > root@box:~ echo $? > > 0 > > > > i expected an RC of != 0 when there is no match. > > is this by design? > > > > root@box:~ ip -V > > ip utility, iproute2-ss4.0.0-1-openwrt > > I think that RC != 0 only in case error happened, but may be its good > idea to add such behaviour or add option to consider ret code > if there is no results ?
ofcourse this is only useful for scripting: # ip route list exact '0.0.0.0/8' || do_some_action instead of the now used construct: # [ -n "$( ip route list exact '0.0.0.0/8' )" ] || do_some_action i'am sure there are other queries, where this also makes sense. there are 2 possible ways for implementing this IMHO: introduce a commandlineswitch like --pedantic or just always throw an error 1 when there is no match like this: root@box:~ echo foo | grep bar root@box:~ echo $? 1 more opinions about that? bye, bastian -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
