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I'd like to use less like long_slow_command | grep foobar. That way it would filter lines right after start up, but I could still switch to viewing all lines later (using &\n). This is useful e.g. in web development where you have a Procfile that starts multiple commands like backend, frontend, and verbose simulators, and only want to see certain lines of the simulators by default.
I'd like to use
less
likelong_slow_command | grep foobar
. That way it would filter lines right after start up, but I could still switch to viewing all lines later (using&\n
). This is useful e.g. in web development where you have a Procfile that starts multiple commands like backend, frontend, and verbose simulators, and only want to see certain lines of the simulators by default.Compare the following two commands:
The second command shows nothing until you hit ^C and then shows all lines.
I'm not aware of any currently supported
less
options to get this behavior. Usingstdbuf -i0 -o0
doesn't help.Thanks.
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