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Re: Bash substrings: wish for support for negative length (read till n f


From: Jan Schampera
Subject: Re: Bash substrings: wish for support for negative length (read till n from end)
Date: Tue, 08 Jul 2008 06:33:22 +0200
User-agent: IceDove 1.5.0.14eol (X11/20080509)

Jan Schampera wrote:
> Richard Neill wrote:
> 
>> $ echo ${stringZ:2: -1}              #Wish: start at 2, read till
>> ERROR                                #1 before the end. i.e.
>>                              # cde
>>
>> $ echo ${stringZ: -3: -1}    #Wish: start 3 back, read till
>> ERROR                                #1 before the end. i.e.
> 
> Use (-1), i.e.
> 
> $ echo ${stringZ:2:(-1)}
> 
> See also
> http://bash-hackers.org/wiki/doku.php/syntax/pe#substring_expansion (at
> bottom of the section).
> 
> J.

My bad - it's too early in the morning - forget about that :)

I didn't read carefully.

J.




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