Shell脚本实现的基于SVN的代码提交量统计工具_linux shell

最近没啥事，就用bash写了一个基于svn的代码统计小工具。 可以指定统计的目录，默认递归统计子目录。

目前还没有屏蔽指定目录的功能。哈 代码比较粗糙。不过先晒出来。

#!/bin/bash -
#""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
#     FILE: lines.sh
#
#     USAGE: ./lines.sh [dir]
#     AUTHOR: william
#
#  DESCRIPTION: 基于SVN的代码提交量统计工具
#    OPTIONS: ---
#    CREATED: 06/05/2012 12:49:20 PM CST
#""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" 

set -o nounset               # Treat unset variables as an error 

# 关注的文件类型 后罪名
FILES_TYPE="*.cpp *.h *.lua" 

# 需要统计的人员,在这里写入需要统计的人,用空格隔开。哈还不智能
declare -r CODER_LIST="coder1 coder2"
declare -i coder1
declare -i coder2 

declare -r USAGE="Usage: $0 [dir]. default dir is current dir.\n" 

# ERROR CODES;
declare -r E_BAD_PATH=1
declare -r E_INVAILED_ARGU=2
declare -r E_NOT_SVN_DIR=3 

#TODO 屏蔽一些dir 还没写哈
# TODO other way get path not with / end
getpath()
{
  #debug
  #echo dir_name: ${dir_name}
  #echo base_name: ${base_name}
  if [ $dir_name == "/" ] || [ $base_name == "/" ]; then
    work_path="/"
  else
    work_path=${dir_name}/${base_name}
  fi
} 

statistic_codelines()
{
  if [ -z "$1" ]; then
    echo "ERROR statistic_codelines not argument"
    return
  fi
  local pwd_length=${#PWD}
  echo "--------------------------"
  echo "${PWD}"
  for coder in $CODER_LIST; do
    local num=$(echo "$1" | grep ${coder} | wc -l)
    (( ${coder} += num ))
    if [ $num -ne 0 ]; then
      printf "%10s | %-7d\n" ${coder} $num
    fi
  done
  echo "--------------------------"
} 

# init check argument set work_path
init_work_path()
{
  if [ $# -eq 1 ]; then
    if [ $1 == "-h" ]; then # is help
        echo -e "$USAGE"
    elif [ -d $1 ]; then
      dir_name=$(dirname ${1})
      base_name=$(basename ${1})
      getpath;
    else
      echo -e "An invailed argument"
      echo -e "Use -h get help."
      exit $E_INVAILED_ARGU
    fi
  fi
} 

# check work_path
check_work_path()
{
  if [ -z $work_path ] || [ ! -d $work_path ]; then
    exit $E_BADPATH;
  fi
} 

# enter work_path
enter_work_path()
{
  cd ${work_path}
  if [ ! $? ]; then
    echo "Can not enter ${work_path} "
  fi
} 

# check work_pat is a svn dir
is_svn_dir()
{
  (
  # check if current dir is asvn dir
  svn info &> /dev/null
  exit $?
  )
  return $?
} 

action()
{
  local dir_name=.
  local base_name=
  local work_path=$dir_name 

  init_work_path $1
  check_work_path
  enter_work_path #todo can't enter 

  #echo "NOW DIR: $PWD, OLD DIR $OLDPWD"
  is_svn_dir
  #todo to next dir
  local ret=$?
  if [ $ret -ne 0 ]
  then
    echo -e "Current dir \"${work_path}\" not a svn dir."
    exit $E_NOT_SVN_DIR
  fi 

  # get source files
  local files=$(ls ${FILES_TYPE} 2> /dev/null) 

  if [ -n "$files" ]; then
   local namelist=$(echo -n ${files} | xargs -n 1 svn blame | awk '{print $2}')
   #svn blame $files #| grep $1 | wc -l
   statistic_codelines "$namelist"
  fi 

  local sub_dirs=$(find -maxdepth 1 -type d -name "[^.]*" 2>/dev/null) 

  if [ -n "$sub_dirs" ]; then
    for dir in $sub_dirs ; do
      action "$dir"
    done
  fi 

  cd ..
} 

total()
{
  echo "-------- TOTOAL ----------"
  echo "   NAME | lines    "
  echo "--------------------------"
  for coder in $CODER_LIST; do
    if [ ${!coder} -ne 0 ]; then
      printf "%10s | %-7d\n" ${coder} ${!coder}
    fi
  done
  echo "--------------------------"
} 

# main
echo "-----开始统计,请耐心等待.... :) "
action $1
total 

exit 0 

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