Re: shell-command parameters

[Kevin Rodgers <kevin.d.rodgers@gmail.com>]

rustom wrote:
> On Jan 6, 9:05 am, Eli Zaretskii <e...@gnu.org> wrote:
>>> From: Chetan <Chetan.xs...@xspam.sbcglobal.net>
>>> Date: Mon, 05 Jan 2009 13:40:27 -0800
>>>> On Windows, if you want 2 commands on a single line, use `&' instead
>>>> of `;', as in
>>>>    echo 1 2 3 & echo 4 5
>>> Or
>>> echo 1 2 3 && echo 4 5 and get the same result everywhere
>> The semantics of ;/& and && is not the same.  With `echo', the
>> difference hardly matters, but in general, the former will always run
>> both commands, while the latter will sometimes only run the first one.
> 
> Thanks.
> 
> I guess mostly one needs cmd1 && cmd2.  And the unix equivalent of
> cmd1 ; cmd2 is cmd1 & cmd2.
> 
> But I still wonder what shell is running in windows emacs?

,----[ C-h v shell-file-name RET ]
| shell-file-name is a variable defined in `src/callproc.c'.
| Its value is "/bin/bash"
|
|
| Documentation:
| *File name to load inferior shells from.
| Initialized from the SHELL environment variable, or to a system-dependent
| default if SHELL is not set.
|
| You can customize this variable.
|
| [back]
`----

Looking at callproc.c, the system-dependent default is "/bin/sh".

-- 
Kevin Rodgers
Denver, Colorado, USA