[klibc] Update ash-port to NetBSD-1.6.1

[Hannes Reinecke]

H. Peter Anvin wrote:
> Arnd Bergmann wrote:
> 
>>
>> Has anyone looked into porting sash? I have just built a minimal sash 
>> version
>> containing only these:
>>
>> echo pwd cd mkdir mknod rmdir sync rm chmod touch mv ln cp cmp more sum
>> exit setenv printenv umask kill where help alias aliasall source exec 
>> prompt
>> unalias
>>
>> The original sash also contains some more that could be added:
>>
>> ar chgrp chown dd ed file find grep ls more tar chattr lsattr gzip
>> gunzip mount umount
>>
>>  wc *.c *.h
>>    1256    2521   16970 cmds.c
>>      18      89     964 nop.c
>>    1266    3032   20366 sash.c
>>    1094    3083   19315 utils.c
>>     152     716    4614 sash.h
>>    3786    9441   62229 total
>>
>> The binaries are less than half the size of ash (21 vs 74 kb for
>> the shared version on s390).
>>
> 
> That sounds extremely promising.  I'm not familiar with sash, is it a 
> full POSIX shell?
> 
Nope. It supports only a limited functionality (e.g. no pipes), and the 
calling sequence for the built-ins is interesting (have to be called 
with '-' in front of them).

I'd rather not having this as the default shell as this would mean a 
complete rewrite of all scripts.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke			hare at suse.de
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