Re: base-files patch (atn: Eric Blake)

[Eric Blake <ebb9 at byu dot net>]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

According to John Morrison on 5/8/2005 1:52 AM:
> 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,

Serves me right for thinking that echo was standard when I typed my
original message, rather than me actually testing at the command line.
Yes indeed, POSIX requires that echo must interpret -- as a string
operand, rather than the standard interpretation of being an argument
separator.

> so, I'm afraid that echo -- "${0}" won't work.
> 

This will work instead:
case `printf %s "$0" | /usr/bin/tr '[:upper:]' '[:lower:]'` in
bash | -bash | */bash )
[..]

- --
Life is short - so eat dessert first!

Eric Blake             ebb9@byu.net
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.0 (Cygwin)
Comment: Public key at home.comcast.net/~ericblake/eblake.gpg
Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org

iD8DBQFCf1wc84KuGfSFAYARAg5qAJ9M9WVxgQhBUc9edDMtZZirq8/JIACfbw2t
KQ0laPFFkGEIWyjP3xHaJB8=
=r+l4
-----END PGP SIGNATURE-----

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/