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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