Re: basename -bash generates an error

[Eric Blake]

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According to Brian Matheson on 4/18/2007 8:34 PM:
> Old behavior:
> red:~$ basename $0
> -bash

Broken.

> 
> New behavior:
> orange:~/lib/sh$ basename $0
> basename: invalid option -- b
> Try `basename --help' for more information.

Correct behavior, but undesired results.

So what you really wanted to do:

basename -- "$0"

This correctly handles the case when $0 contains shell metacharacters, as
well as when it starts with -.

> 
> Looks like a misbehavior in option parsing.

No, just a misunderstanding on your part.  POSIX requires the current
behavior.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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