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Re: Strings manipulation without using variables
From: |
Francesco Pretto |
Subject: |
Re: Strings manipulation without using variables |
Date: |
Thu, 1 Apr 2010 08:20:34 +0000 (UTC) |
User-agent: |
Loom/3.14 (http://gmane.org/) |
Greg Wooledge <wooledg <at> eeg.ccf.org> writes:
> Just in case, it needs to be pointed out that using ls in this way is
> NOT a safe operation, since filenames may contain newlines (or other
> characters that ls may choose to represent with a ? instead of leaving
> intact, depending on the implementation). Newlines will completely
> break any line-based approach, and characters that are munged into ?
> will break anything that relies on the output of ls for that filename.
>
'ls' wasn't my task (I was more interested in syntax dissertation) but
thanks for safeness and performance hints, they are always precious.
Greetings,
Francesco