Re: [Help-bash] Is there a way to not to remove tailing newline in command substitution?

[Eric Blake]

On 12/12/18 9:32 PM, Peng Yu wrote:
> Hi,
>
> Sometimes, it may be better to preserve the trailing newline in a
> command substitution. Is there a way to do so? Thanks.

Yes. Forcefully end your command substitution with a non-newline 
sentinel, then strip it after the fact:

x=$(echo $'\n'.)
x=${x%?}

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Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
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