#!/bin/sh
for x
do

        echo "editing $x: \c"
        if test "$x" = sedscr; then 
                echo "not editing sedscript!"
        elif test -s $x; then
                sed -f sedscr $x > /tmp/$x$$
                if test -s /tmp/$x$$
                then
                        if cmp -s $x /tmp/$x$$
                        then
                                echo "file not changed: \c"
                        else
                                mv $x $x.bak 
                                cp /tmp/$x$$ $x
                        fi
                        echo "done"
                else
                        echo "sed produced an empty file\c"
                        echo "test your sed script"
                fi
                rm -f /tmp/$x$$
        else
                echo "original file is empty"
        fi

done
echo "all done"