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Re: Parameter operator P should probably strip \[ and \] characters


From: Chet Ramey
Subject: Re: Parameter operator P should probably strip \[ and \] characters
Date: Tue, 28 Mar 2017 10:30:49 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:45.0) Gecko/20100101 Thunderbird/45.8.0

On 3/27/17 7:49 AM, Torka Noda wrote:

>> In general, you want the \[ and \] sequences expanded in all
>> cases where the result will eventually be fed to readline,
>> and stripped when it is not. It's not feasible for bash to
>> figure that out for itself, so you have to tell it.  Since
>> those escape sequences get stripped when bash isn't going to
>> be doing line editing, you can put `set +o emacs +o vi' (or
>> whichever one is relevant for you) before expanding a string
>> using the @P modifier and get the results you want.
>>
> 
> 
> @p would strip \[ and \] characters, @P would not strip them? :)

I'll keep that in mind for a future version.

Chet

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



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