grep = * vs grep = * > foo

[Christopher Faylor]

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.

cgf
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