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Re: [Help-bash] Things like ${parameter^} only works with path expansion
From: |
Chet Ramey |
Subject: |
Re: [Help-bash] Things like ${parameter^} only works with path expansion? |
Date: |
Sat, 11 Apr 2015 13:18:25 -0400 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 |
On 4/11/15 12:08 PM, Pierre Gaston wrote:
> The pattern after ,, and ^^ only matches one character at a time eg:
> var=hello; echo "${var^^[el]}"
> prints hELLo because the pattern matches the characters e and l.
>
> (not sure what was the idea behind this feature)
Case conversion was a requested feature that wasn't easily available
otherwise. The syntax itself was an experiment.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU address@hidden http://cnswww.cns.cwru.edu/~chet/
Re: [Help-bash] Things like ${parameter^} only works with path expansion?,
Chet Ramey <=