Mail Archives: cygwin/2002/10/09/01:42:25
On Tue, Oct 08, 2002 at 08:27:31PM -0400, Christopher Faylor wrote:
> On Tue, Oct 08, 2002 at 05:23:05PM -0700, Sheryl McKeown wrote:
> >grepping and redircting the output to a file
> >causes a process loop that has to be killed
> >
> >17:17 0 [C:\Development\test]
> >.grep = * > delme
> >
> >17:18 66048 [C:\Development\test]
> >.^C
> >
> >What happens is that the grep starts reading the delme
> >file and then reporting all those finds...
>
> Right. The file is created before grep is started so when grep expands
> the '*' if finds delme and dutifully searches it... forever.
>
> >Ok, but the odd part this is, this behavior doesn't appear when using
> >the bash shell (on the same XP box).
>
> When run from the bash shell, bash itself first expands '*' and then
> creates delme. Since delme doesn't exist, it isn't searched.
Would a similar endless loop occur if delme did exist
and the redirection overwrote it?
--
Jon H. LaBadie jcyg AT jgcomp DOT com
JG Computing
4455 Province Line Road (609) 252-0159
Princeton, NJ 08540-4322 (609) 683-7220 (fax)
--
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Bug reporting: http://cygwin.com/bugs.html
Documentation: http://cygwin.com/docs.html
FAQ: http://cygwin.com/faq/
- Raw text -