On 15/02/19 14:11, Eric Blake wrote: > On 2/15/19 3:40 PM, Assaf Gordon wrote: >> Helo, >> >> On 2019-02-15 8:20 a.m., Eric Blake wrote: >>> On 2/15/19 8:43 AM, 積丹尼 Dan Jacobson wrote: >>>> sort: write failed: 'standard output': Broken pipe >>>> sort: write error >> [...] >>> Perhaps coreutils should teach 'env' a command-line option to forcefully >>> reset SIGPIPE back to default behavior [...] If we >>> did that, then even if your sh is started with SIGPIPE ignored (so that >>> the shell itself can't restore default behavior), you could do this >>> theoretical invocation: >>> >>> $ seq 9999 | env --default-signal PIPE sort -n | sed 5q | wc -l >>> 5 >> >> That is a nice idea, I could've used it myself couple of times. >> >> Attached a suggested patch. >> If this seems like a good direction, I'll complete it with NEWS/docs/etc. > > Would we also want an easy way to ignore signals? That's a bit less of > an issue, since you can use 'trap "" $SIG' in the shell; but having the > symmetry in env may be nice (especially since using 'trap' is asymmetric > in that you can't force the shell to un-ignore an inherited ignored signal).
I agree that ignore would be nice to add also. >> Usage is: >> env --default-signal=PIPE >> env -P ##shortcut to reset SIGPIPE BSD has -P for different reasons, so I would avoid that conflict thanks a lot for working on this guys. Pádraig