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Re: New auxiliary archive script


From: Peter Rosin
Subject: Re: New auxiliary archive script
Date: Tue, 10 Aug 2010 09:06:01 +0200
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.8) Gecko/20100802 Thunderbird/3.1.2

Den 2010-08-10 09:01 skrev Peter Rosin:
BTW, why is ! better than ^ here? Just curious.

I found the answer myself. Quoting the portable shell chapter in the
autoconf manual:

| 11.5 Shell Pattern Matching
|
| Nowadays portable patterns can use negated character classes
| like ‘[!-aeiou]’. The older syntax ‘[^-aeiou]’ is supported
| by some shells but not others; hence portable scripts should
| never use ‘^’ as the first character of a bracket pattern.

Cheers,
Peter



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