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dataflow
on Jan 6, 2018
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parent
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Things I Wish I'd Known About Bash
The trickiest part of Bash I know is that "$(command)" results in the truncation of the output of the command before the newline. It's both handy and damning depending on what you're trying to do.
bewuethr
on Jan 7, 2018
[–]
I don't think that's correct, do you have an example? This works for me:
$ var=$(echo $'a\nb') $ echo "$var" a b
dataflow
on Jan 7, 2018
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parent
[–]
Oh, I meant before the
trailing
newlines, sorry for being unclear. Try using a\nb\n\n\n instead of a\nb and observing that the output doesn't change.
bewuethr
on Jan 7, 2018
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root
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parent
[–]
Ah, okay, got it. Yes, that can be surprising.
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