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Re: [Help-bash] use variable as array name
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From: |
Eduardo A . Bustamante López |
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Subject: |
Re: [Help-bash] use variable as array name |
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Date: |
Sat, 3 Jan 2015 20:36:56 -0800 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Sat, Jan 03, 2015 at 06:32:25PM -0800, Jesse Molina wrote:
>
> I found this to be helpful in regards to indirection:
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> http://wiki.bash-hackers.org/syntax/pe#indirection
>
> ONE=1
> VAR=ONE
> echo ${!VAR}
The tricky part of indirection is combining the array indirection with the
${#length} parameter expansion.