echo "please input filename"

read file

echo "you input:" $file

if [ -e "filenames" ];

then rm filenames

touch filenames

chmod 777 filenames

touch filenames

chmod 777 filenames

if [ -e "detail_record" ];

then rm detail_record

touch detail_record

chmod 777 detail_record

touch detail_record

chmod 777 detail_record

if [ -e $file ];

then #echo $file "exist"

if [ -d $file ];

#then echo $file "is a dir"

then echo "input file type you want calc: c cpp java s h"

read file_type #judge extrem

#file_type = ${file_type//,/}

for element in $file_type

do

echo you input type $element

find $file -name "*."$element >> filenames

done

cat filenames | while read row;

do

awk -f line_counter.awk $row >> detail_record

done

echo "the detail result have write2file detail_record"

else

#echo $file "is not a dir"

awk -f line_counter.awk $file>> detail_record

echo "the detail result have write2file detail_record"

fi

echo $file "not exist"

awk -f line_sum.awk detail_record

:<<!EOF!