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Re: Issues with history substitution and its documentation


From: Chet Ramey
Subject: Re: Issues with history substitution and its documentation
Date: Mon, 18 Nov 2019 11:18:56 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.2.2

On 11/4/19 9:42 AM, Jim Monte wrote:
Related to the issues with the ? event designator, the %word designator
substitutes the *first* word  matched by the ? event designator or nothing
if the match begins with a space. These details are not documented.

Thanks. The issue is that, unlike csh, bash allows substring matches to
span `words'. This leads to issues when the matching portion does not
begin on a word character. If the match begins on a non-word, how do you
substitute a word there?

--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    address@hidden    http://tiswww.cwru.edu/~chet/



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