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From: Robert Schmidt <rschm AT broadpark DOT no>
Subject: Re: "which" command does not expand "~" in path
Date: Sat, 25 Sep 2004 23:26:18 +0200
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References: <1094385246 DOT 5803 DOT ezmlm AT cygwin DOT com> <6 DOT 1 DOT 2 DOT 0 DOT 1 DOT 20040926005459 DOT 02810cb0 AT mail DOT ros DOT com DOT au> <cj4diq$1du$1 AT sea DOT gmane DOT org>
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Sven Köhler wrote:
>> Set PATH so it includes user's private bin if it exists
>> if [ -d ~/bin ] ; then
>>   PATH="~/bin:${PATH}"
>> fi
> 
> 
> Hmm, i'm not 100% percent sure, but is this supposed to work in general? 
> I don't think that all programs that use the PATH varible are supposed 
> to interpret ~ correctly.
> 
> Instead, the shell usually substitutes ~ or ~user.
> Look at this the output of these commands:
>     echo ~
>     echo "~"

This is probably common knowledge, but I learned last night that sh 
never expands ~.  Under sh, the two lines above yield the same output, 
simply ~.

So my conclusion was to never rely on ~ in scripts or variables.
(Unless something is broken in my setup?)

Cheers,
Rob


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