Doesn't depend on bash being in any specific location anymore.

git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@659 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/subst

@@ -1,7 +1,15 @@
-#!/bin/bash
-#!/usr/bin/bash
+#!/bin/sh
 # Substitute a string in many files. By Serge van den Boom, 20020826
 
+# We need bash functionality. Executing bash with the shebang won't be
+# portable as the location of bash differs.
+SHELLFILE="$_"
+case "$SHELLFILE" in
+	sh|*/sh)
+		exec bash "$0" "$@"
+		;;
+esac
+
 if [ $# -eq 0 ]; then
 	{
 		echo "subst: substitute a string in a lot of files."