#!/bin/sh
#
# replace string patterns in files matching a fileglob pattern
#
file_patterns='\*.java'

if [ $# -ne 1 ]; then
	echo "Usage: add_hf top_dir"
	exit 1
else
	topdir=$1
	if [ ! -e $topdir ]; then
		echo "$top_dir not readable"
		exit 1
	fi
fi

echo "$file_patterns" | while read fp
do
	echo "DOING find $topdir -name $fp -print"
	find $topdir \( -name '.svn' -prune \) -o -name "$fp" -print | while read fn
	do
		if [ ! -f $fn.bak ]; then
			cp $fn $fn.bak
		fi
		echo "....$fn"
		mv $fn $fn.bak
		cat ./java_header.txt > $fn
		sed -e 's/xx/xx/' $fn.bak >> $fn
		base_fn=`basename $fn`
		sed -e "s/##FILE##/$base_fn/" ./java_footer.txt >> $fn
	done
done