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strange --version issue

From: John Calcote
Subject: strange --version issue
Date: Wed, 09 Apr 2008 08:56:19 -0600
User-agent: Thunderbird (Windows/20080213)

Can someone please tell me what the heck is going on here:

$ echo $PATH
$ ls -al /usr/bin/m4
-rwxr-xr-x 1 root root 60768 2006-06-16 07:39 /usr/bin/m4
$ ls -al /usr/local/bin/m4
-rwxr-xr-x 1 root root 179252 2008-04-09 08:46 /usr/local/bin/m4
$ which m4
$ /usr/bin/m4 --version
GNU M4 1.4.4
Written by Rene' Seindal.
$ /usr/local/bin/m4 --version
GNU M4 1.4.5
Written by Rene' Seindal.
$ m4 --version
GNU M4 1.4.4
Written by Rene' Seindal.

I'm sure this is not really an m4 question, but I'm totally stumped - /usr/local/bin comes first in my PATH, yet when I execute "m4 --version" I seem to be picking up the 1.4.4 version in my /usr/bin directory. What gives?


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