#!/bin/sh
rrmmod()
{
  mod="$1";

  depends=$(rmmod "$mod" 2>&1) && return

  case "$depends" in
    ERROR:\ Module\ *\ is\ in\ use\ by\ *)
      depends="${depends#*is in use by }"
      for dep in ${depends//,/ }; do
	rrmmod "$dep";
      done
      rrmmod "$mod"
      ;;
    *)
      echo "rmmod $mod: $depends"
      ;;
  esac
}

for mod in "$@"; do rrmmod "$mod"; done