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Re: [Help-bash] Differences in heredocs between process substitution and
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From: |
grarpamp |
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Subject: |
Re: [Help-bash] Differences in heredocs between process substitution and shell substitution |
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Date: |
Sat, 19 Jul 2014 04:52:11 -0400 |
On Fri, Jul 18, 2014 at 9:41 PM, Philipp Schrader
<address@hidden> wrote:
> var=$(cat <<EOT
> Hello World
> EOT
> )
> echo "$var"
>
> cat <(cat <<EOT
> Hello World
> EOT
> )
Guessing the second somehow munges stdin fd. I've never seen that
usage, ie would expect to see (...) | cat. And certainly the former
var=$() before either. Why use the latter?