Made to work under Microsoft Xenix V3.2

first/ckpath

@@ -1,4 +1,5 @@
 rm -f ../bin/x_tpath x_tpath
+echo 'Checking out your $PATH; . and $ACK/bin should be in front ...'
 echo "echo $$" >../bin/x_tpath
 rm -f x_tpath
 chmod +x ../bin/x_tpath
@@ -49,4 +50,18 @@ x$$)
 	STAT=4 ;;
 esac
 rm -f ../bin/x_tpath x_tpath
+echo "echo 93" > ../bin/cat
+chmod +x ../bin/cat
+hash -r
+case x`cat < /dev/null 2>/dev/null`
+in
+x93)
+	rm -f ../bin/cat
+	;;
+*)
+	rm -f ../bin/cat
+	(cd ../bin ; echo Sorry, `pwd` comes too late in your PATH" ($PATH)" )
+	STAT=13
+	;;
+esac
 exit $STAT