RE: [OT?] make bash script wait for called program to finish?

["Hughes, Bill" <Bill dot Hughes at cox dot co dot uk>]

> Sent: 19 April 2004 17:35 From: Buchbinder, Barry (NIH/NIAID)
 
> For me (XP Pro) from cmd.exe, both notepad and write detach but from
> command.com only write detaches, notepad does not.
> 
..snip..
>   Yep, it certainly seems that some windows gui apps have the 
> behaviour of
> detaching from the console, while others remain attached and 
> so don't return
> control to the shell until they're finished.  I noticed this 
> in particular
> when editing text files at an interactive bash prompt: if I 
> use notepad.exe,
> my shell is locked up until I exit, whereas if I use 
> write.exe (wordpad), it
> detaches and the shell prompt returns immediately.
> 
>   I also note as a data point that when run from a cmd.exe shell, both
> notepad and wordpad detach.  I can only guess that wordpad has some
> functionality that notepad doesn't to detach itself, and that 
> the cmd.exe
> shell also has functionality that detects gui-based programs 
> and detaches
> them on launch (regardless of whether they're capable of detaching
> themselves).

If you put 'start /separate notepad' into a .cmd then run this from bash it
will give a detached notepad. My wordpad doesn't detach from bash (shrugs)
but I would expect a cmd containing 'start /wait wordpad' run from bash not
to detach if it did - er, if you see what I mean.

Bill

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