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Message-ID: <427DEE0E.6030603@hones.org.uk>
Date: Sun, 08 May 2005 11:46:38 +0100
From: Cliff Hones <cliff AT hones DOT org DOT uk>
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To: cygwin AT cygwin DOT com
Subject: Re: base-files patch (atn: Eric Blake)
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John Morrison wrote:
> On Fri, March 25, 2005 8:26 pm, Eric Blake said:
> 
>>True enough.  And that points out another bug - echo "$0" may fail if $0
>>starts with -, it should be echo -- "$0".  Isn't portable shell
>>programming fun?
> 
> Sorry that this has taken so long, but I'm just getting around to adding
> all the fixes emailed wrt /etc/profile.  I tried the above, and it broke
> so I checked the man pages,
> 
> <quote>
> `echo' writes each given STRING to standard output, with a space between
> each and a newline after the last one.  Synopsis:
> 
>      echo [OPTION]... [STRING]...
> 
>    The program accepts the following options.  Also see *Note Common
> options::.  Options must precede operands, and the normally-special
> argument `--' has no special meaning and is treated like any other
> STRING.
> </quote>
> 
> so, I'm afraid that echo -- "${0}" won't work.

I think echo "" "${0}" has the desired effect (apart from a leading space).

-- Cliff

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