Index: TWiki.cfg
===================================================================
--- TWiki.cfg	(revision 1735)
+++ TWiki.cfg	(working copy)
@@ -205,14 +205,28 @@
 $storeTopicImpl = "RcsWrap"; 
 #$storeTopicImpl = "RcsLite";
 
+sub findProgramUsingSearchPath
+{
+	my ($prog,$paths) = @_;
+
+	foreach my $path ( @{$paths} )
+	{
+		my $fullPath = "$path/$prog";
+		return $fullPath if -X $fullPath;
+	}
+
+	return "";
+}
+my $programSearchPath = [ qw( /bin /usr/bin /usr/local/bin ) ];
+
 #                   NOTE: You might want to avoid c: at start of cygwin unix command for
 #                   Windows, seems to cause a problem with pipe used in search
 #                   Unix ls command :  (deprecated since 01 Nov 2003)
 $lsCmd            = "/bin/ls";
 #                   Unix egrep command :
-$egrepCmd         = "/bin/egrep";
+$egrepCmd         = findProgramUsingSearchPath( egrep => $programSearchPath );
 #                   Unix fgrep command :
-$fgrepCmd         = "/bin/fgrep";
+$fgrepCmd         = findProgramUsingSearchPath( fgrep => $programSearchPath );
 
 #display Time in the following timezones (this only effects the display of times, all internal storage is still in GMT)
 # gmtime / servertime