ash documentation

[walter harms]

Am 07.05.2011 13:40, schrieb Sven Mascheck:
> I am searching busybox ash documentation but haven't found any [1].
> (and I can't find any definitive statement that there's none, either.)
> 
> How do I find out about the changes which have been made to the dash
> which it was originally derived from - apart from wading through the
> git logs?  I'm both interested in fixes and features [2].
> 
> Are poeple supposed to find out about the very features by try&error,
> or by reading other ash manuals, and the opengroup specs?

Yes,

> Are bash features only added to minimize surprises, that is, to grok
> existing scripts, and not so much to be used "as documented"?
> (how to debug subtle problems then?)
> 

ash tries to be POSIX shell, ntl the real world uses things like BASH
they expect certain things simply to work.


> Cheers
> -Sven
> 
> [1] It's listed among the "currently available applets"
> in http://busybox.net/downloads/BusyBox.html and the source,
> but apparently it's the only applet without documentation.
> 

yes, ash you may know that literate programming never entered mainstream
and so documentation is a bit sparse. But bb tries to avoid inventing features
that are not included in the POSIX specs and so you can rely on that. (please
report missing features).

re,
 wh

> I've searched this mailing list and only found
> http://lists.busybox.net/pipermail/busybox/2007-June/thread.html#62058
> 
> [2] http://www.in-ulm.de/~mascheck/various/ash/
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