Replacing GNU grep revisited

[Anthony Schneider]

> Interesting.  I found that GNU's grep actually finds a match for "grep
> -ail freebsd /usr/ports/distfiles/*":
> 
> /usr/ports/distfiles/ezm3
> 
> ezm3 is a directory with a filename that contains FreeBSD in it.

the * will expand /usr/ports/distfiles/* into full path names to each
file in /usr/ports/distfiles.  since this is expanded by your shell,
grep will take those directory names as arguments and search directories
as files as we know it to..

-Anthony.

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