From: dblack@...
Date: 2006-07-18T17:26:13+09:00
Subject: Re: [newbie]  in place file editing and ! meaning

Hi --

On Tue, 18 Jul 2006, Douglas McNaught wrote:

>> Searching for an answer to this question, I've found scripts using gsub!
>> What is this exclamation mark?
>
> It means it changes the object it operates on, rather than returning a
> changed copy.

In this case that's true, but in general, ! means a "dangerous" method
with a non-dangerous counterpart.  (See Logan's answer.)


David

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