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Re: bash 3.2 match operator problem


From: Chet Ramey
Subject: Re: bash 3.2 match operator problem
Date: Thu, 12 Oct 2006 10:40:19 -0400

> Machine Type: i586-pc-linux-gnu
> 
> Bash Version: 3.2
> Patch Level: 0
> Release Status: release
> 
> Description:
>   I just upgraded to bash 3.2 and my scripts quit working for matching.
> The test case below will say 'Life is good' in bash 3.1.17, but on bash
> 3.2 I get 'Upgrade of doom returns 2 from match' instead.
                [...]
> [[ "${OLDCANDIDATE}" =~ "([^-]+)-([^-]+)-([^-]+)-0*([1-9][0-9]*)\.tgz" ]]

This is from the list of new features in bash-3.2:

f.  Quoting the string argument to the [[ command's  =~ operator now forces   
    string matching, as with the other pattern-matching operators.

The change was made for consistency -- without it, there is no way to have
the string matched without regard to characters significant to the matcher.

Chet


-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                                Live Strong.
Chet Ramey, ITS, CWRU    address@hidden    http://tiswww.tis.case.edu/~chet/




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