One of those monumental days ........

[Lennart Sorensen]

On Wed, Nov 09, 2005 at 04:45:02PM -0500, Chris F.A. Johnson wrote:
>      Then they were not POSIX scripts. Do you have examples?

I don't remember where I found it anymore.  Just seemed weird that it
worked with bash 2.x, but broke on bash 3.x (I think the problem was
using a command in the script that bash 3.x had a builtin for that used
different syntax than the linux command did).

>      While writing my book, I (or rather, the technical reviewer,
>      William Park) found many examples of POSIX scripts that did not
>      work on zsh.

Even when invoked as sh?  i guess it is more aimed at being a great
interactive shell.

>      According to its man page, zsh tries to emulate sh or ksh if it
>      is invoked as sh. There is no mention of POSIX; ksh is the basis
>      for, but is not entirely, POSIX, the degree of compliance
>      depending on the version.

The man page mentions posix standards many times.  I know it doesn't
really try to be just a plain shell, so I can believe by default it is
anything but a posix shell.

Lennart Sorensen
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