Linux下统计当前目录下源代码行数的Shell脚本

#!/bin/bash - 
#===============================================================================
#
#          FILE:  count.sh
# 
#         USAGE:  ./count.sh 
# 
#   DESCRIPTION:  
# 
#       OPTIONS:  ---
#  REQUIREMENTS:  ---
#          BUGS:  ---
#         NOTES:  ---
#        AUTHOR: Karl Zheng (http://blog.csdn.net/zhengkarl) 
#       COMPANY: Meizu
#       CREATED: 2010年10月12日 17时18分59秒 CST
#      REVISION:  ---
#===============================================================================
set -o nounset                              # Treat unset variables as an error
suffix=( '*.c' '*.h' '*.cpp' '*.cxx' '*.hpp' '*.hxx' '*.java' '*.xml' 'Makefile' 'kconfig' '*.mk' )
command_str=" "
i=0
while [ $i -lt ${#suffix[@]} ];do
  if [ $i -eq 0 ];then 
    command_str="$command_str"" -iname /"${suffix[$i]}/" "
  else 
    command_str="$command_str"" -o -iname /"${suffix[$i]}/" "
  fi  
  ((i++))
done
line_sum="0"
for f in $(echo "$command_str" |xargs find );do
  line_nr=$(wc -l $f)
  line_sum=$(echo $line_sum $line_nr |awk '{print $1+$2}')
done
  echo "total line:"$line_sum

http://blog.csdn.net/shendl/archive/2010/12/16/6080061.aspx