公司用的版本管理是svn。有时候就好奇自己到底改了多少行代码才完成任务的。于是在网上一通百度，结果还真有人写了个神奇脚本能够统计出一个人一段时间修改过的代码行数。云里雾里看了一下脚本主要用到了 svn diff功能。

code

#! /bin/bash  
# 计算有效变更代码量的脚本  
# 包括注释，但不包括新增的空行  
version() {  
    OS=`uname -o`  
    echo "svn_counter ($OS) 0.0.1"  
}  
  
  
usage() {  
    echo "usage: svn_counter [-t SVN_REPOSITORY_URL] [-s START_REVISION]"  
    echo "                      [-e END_REVISION] [-u USER_NAME]"  
    echo "                      [-p PASSWD]"  
    echo "       svn_counter [-v|-h]"  
    echo   
    echo "        -t,                 目标SVN库地址"  
    echo "        -s,                 起始修订号"  
    echo "        -e,                 结束修订号"  
    echo "        -a,                 提交作者"  
    echo "        -u,                 svn帐号"  
    echo "        -p,                 svn密码"  
    echo "        -h,                 帮助"  
    echo "        -v,                 版本信息"  
}  
  
  
if [ $# -lt 1 ]; then  
    usage  
    exit 1   
fi  
  
  
while getopts "t:s:e:a:u:p:vh" opt; do  
    case $opt in  
        t) target=$OPTARG;;  
        s) start_revision=$OPTARG;;  
        e) end_revision=$OPTARG;;  
        a) author=$OPTARG;;  
        u) user=$OPTARG;;  
        p) passwd=$OPTARG;;  
        v) version; exit 1;;  
        h) usage; exit 1;;  
    esac  
done  
  
  
if [ -z $target ]; then  
    echo "请输入目标SVN库地址!"  
    exit 1  
fi  
  
  
if [ -z $start_revision ]; then  
    echo "请输入起始修订号!"  
    exit 1  
fi  
  
  
  
  
#SVN_CMD='/home/work/local/svn/bin/svn'  
SVN_CMD='svn'  
  
  
TEMPFILE=temp_diff.log  
USERNAME=${user}  
PASSWD=${passwd}  
TOTAL=0  
  
  
if [ -z $author ]; then  
    if [ -z $end_revision ]; then  
        ${SVN_CMD} diff -r$start_revision $target --username $USERNAME --password $PASSWD > $TEMPFILE  
    else  
        ${SVN_CMD} diff -r$start_revision:$end_revision $target --username $USERNAME --password $PASSWD > $TEMPFILE  
    fi  
  
  
    #去掉含空格的空行  
    TOTAL=`grep "^+" $TEMPFILE | grep -v "^+++" | sed 's/^.//'| sed s/[[:space:]]//g |sed '/^$/d'|wc -l`  
    #没有去掉有的空行  
    #TOTAL=`grep "^+" $TEMPFILE|grep -v "^+++"|sed 's/^.//'|sed '/^$/d'|wc -l`  
      
    rm -fr $TEMPFILE  
    echo "$TOTAL"  
else  
    if [ -z $end_revision ]; then     
        revs=`${SVN_CMD} log -q $target  -r $start_revision:HEAD --username $USERNAME --password $PASSWD |awk '{print \$1,\$3}'| grep  ${author}| awk '{print \$1}'`  
    else   
        revs=`${SVN_CMD} log -q $target  -r $start_revision:$end_revision --username $USERNAME --password $PASSWD |awk '{print \$1,\$3}'| grep  ${author}| awk '{print \$1}'`  
    fi   
    for rev in ${revs};do  
        rev=${rev:1}  
        last_rev=$((rev-1))  
  
  
        ${SVN_CMD} diff -r${last_rev}:${rev} $target --username $USERNAME --password $PASSWD  > $TEMPFILE  
        count=`grep "^+" $TEMPFILE | grep -v "^+++" | sed 's/^.//'| sed s/[[:space:]]//g |sed '/^$/d'|wc -l`  
        TOTAL=$((TOTAL+count))  
        rm -rf $TEMPFILE  
    done      
    echo "$TOTAL"   
fi  

代码资源是从网页原地址拷贝下来的。经过本人测试还是很好用的。