#
# loop over all c files looking for the string,
# then edit the file with sed.  all changed files
# are first saved in the bak subdirectory
#
for FILEN in `grep -l "dcool" *.c`
do
BNAME=`basename $FILEN .c`
echo $BNAME.c
cp $BNAME.c bak/$BNAME.bak
sed -f swapstring.sed < ${BNAME}.c > temp.xx
mv temp.xx ${BNAME}.c
done