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Re: capturing in ${VAR//(*(\/)(+([^\/]))?(\/)/_${BASH_REMATCH[1]}_}

From: Chet Ramey
Subject: Re: capturing in ${VAR//(*(\/)(+([^\/]))?(\/)/_${BASH_REMATCH[1]}_}
Date: Mon, 8 Feb 2016 09:00:09 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:38.0) Gecko/20100101 Thunderbird/38.5.1

On 2/8/16 2:47 AM, Linda Walsh wrote:
> When you are doing a var expansion using the
> replacement format ${VAR//./.}, is there some way to
> put parens around some part of the expression and reference
> them as in the [[V~re]] RE-matches?

No.  Shell patterns do not have backreferences.

``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/

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