How do I conditionally redirect the output of a command to /dev/null?
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by Lawrence Johnston
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Published on 2010-03-25T23:11:17Z
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2010/03/25
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I have a script. I would like to give this script a quiet mode and a verbose mode.
This is the equivalent of:
if $verbose
then
redirect="> /dev/null"
fi
echo "Verbose mode enabled" $redirect # This doesn't work because the redirect isn't evaluated.
I'd really like a better way of doing this than writing if-elses for every statement affected.
eval could work, but has obvious side effects on other variables.
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