find . “(” -name “.java” -or -name “.html” -or -name “.js” -or -name “.css” “)” -print | xargs wc -l

find . “(” -name “.java” -or -name “.html” -or -name “.js” -or -name “.css” “)” -print | xargs wc -l > statistics.txt

#!/bin/bash#filename: count_lines.shlen=$(echo $1 |awk '{print length($0)}')len2=$(echo $2 |awk '{print length($0)}')if [ $len -ne "0" ]thenx="$1"i="1"cc=0while [ $i -le "$len" ]do echo `expr substr $1 $i 1 ` if [ `expr substr $1 $i 1 ` = "l" ] || [ `expr substr $1 $i 1 ` = "w" ] || [ `expr substr $1 $i 1 ` = "c" ] || [ `expr substr $1 $i 1 ` = "k" ] then lengh = "length=$(echo "$1" |awk '{print length($0)}')" else cc=`expr $cc + 1` fi i=`expr $i + 1`doneif [ $cc -eq "0" ]then rm ~/count_output echo "=======================current Directory==========================" >> count_output pwd >> count_output if [ $len2 -eq "0" ] then ls -l * | wc -$1 *.* | tail -k >> ~/count_output else ls -l * | wc -$1 *.$2 | tail -k >> ~/count_output fi ls -R | grep './' > list sed "s/:/ /" list >> list1 cat list1 | while read current_dir do echo "=======================$current_dir ==========================" >> ~/count_output cd $current_dir if [ $len2 -eq "0" ] then ls -l * | wc -$1 *.* | tail -k >> ~/count_output else ls -l * | wc -$1 *.$2 | tail -k >> ~/count_output fi cd - done clear rm list rm list1else print "invalid entry"fielseprint "input options l w c k needs to be entered"fi