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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

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