Subject: Re: [PATCH] guilt: add option guilt.diffstat

From: "Boyd Stephen Smith Jr." <[email-masked]>
Date: Sat, 13 Dec 2008 00:18:50 -0600

On Friday 2008 December 12 22:43:57 Josef Jeff Sipek wrote:
>> +		if [ -n "$5" -o "x$diffstat" = "x1" ]; then
>
>Why the 'x' thing? I've seen it is some scripts before, but I can't think of
>a reason to use it if the variable is surrounded in quotation marks.

'[' or test see the arguments after they are unquoted (normally).  So, 
if "$diffstat" is "-n" it might try and do the -n test, rather than the = 
test.

It could be re-written as "1" == "${diffstat}" instead to avoid the x, but 
it's not a big deal (to me).  That also looks backwards to a lot of people.
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