Yes, it's because a space at the end of line: --- -^I2017-08-10 10:51:06.097868811 +0800$ > +++ > /home/gangyewei-3/mvs/mvs/tests/testsuite.dir/at-groups/789/stdout^I2017-08-10 > 10:51:06.096038720 +0800$ > @@ -1,5 +1,5 @@$ > -LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING$ > - partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING$ > -LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING$ > - partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING$ > +LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING $ > + partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING $ > +LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING $ > + partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING $ but in my match, I add a space, I don't know why it doesn't work. AT_CHECK([[awk '/ACTIVE/' stdout | head -4]], [0], [LACP actor_state ACTIVE > AGGREGATION SYNC COLLECTING DISTRIBUTING $ > partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING $ > LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING $ > partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING $ > ])$ 2017-08-09 22:34 GMT+08:00 Eric Blake <eblake@xxxxxxxxxx>: > On 08/09/2017 04:45 AM, Sam wrote: > > Then I change commd into `awk '/ACTIVE/' stdout | head -4`, it failed > > again, log is : > > > > ./netdev-dpdk.at:28: awk '/ACTIVE/' stdout | head -4 > >> --- - 2017-08-09 17:41:24.809066088 +0800 > >> +++ /home/gangyewei-3/mvs/mvs/tests/testsuite.dir/at-groups/789/stdout > >> 2017-08-09 17:41:24.807150522 +0800 > >> @@ -1,5 +1,5 @@ > >> -LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING > >> - partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING > >> -LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING > >> - partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING > >> +LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING > >> + partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING > >> +LACP actor_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING > >> + partner_state ACTIVE AGGREGATION SYNC COLLECTING DISTRIBUTING > > Could this be a difference in line endings between what your .at file > used and what stdout contains (which in turn is what line endings > ovs-appctl outputs)? > > -- > Eric Blake, Principal Software Engineer > Red Hat, Inc. +1-919-301-3266 > Virtualization: qemu.org | libvirt.org > > _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx https://lists.gnu.org/mailman/listinfo/autoconf
