אורי u...@speedy.net
On Tue, Dec 14, 2021 at 5:22 PM Daniel Shahaf <d...@daniel.shahaf.name> wrote: > אורי wrote on Tue, 14 Dec 2021 07:44 +00:00: > > Actually I prefer the "<(..)" method, because sometimes I want to > compare 2 > > commands: > > > > diff <(pip freeze | sort) <(cat requirements.txt | sort) > > > > Consider s/diff/comm -12/. > ??? > > > Or even use cat and echo to add a specific line to one of the outputs. > If I > > want the result to be completely null. For example to run in crontab and > > send me mail whether it's not null. > > Careful here. By default, cron jobs run not under your login shell but > under /bin/sh, and it's possible the latter doesn't support «<(…)» even > if the former does. > Yes, I changed crontabs to bash today. אורי
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