将文件中的数字行输出或转至另一文件中
awk '{if($0 ~ /^[0-9]+$/) print $0;}' xpxp_0 >12312.txt
~:匹配;!~ :不匹配
按照行数分割文件
split -l 2 -d bb xxx
将bb 按2行分割,生成 xxx01 xxx02 xxx03 ...
批量重命名文件
for i in `ls | grep .txt` ; do mv $i `echo "$i" | awk -F '.txt' '{print xlx_$1}'`; done
将当前目录下的文件名为{XXX}的 txt后缀文件,批量修改为 xlx_{XXX} 文件
合并同名文件
for i in `ls old` ; do cat new/$i old/$i > final/$i ;done
将old目录及new目录下的 同名文件 合并后,放入final目录
注:final目录需存在
去重排序
for i in `ls final` ; do `cat final/$i |sort | uniq > end/$i` ;done
替换文件并写回
sed -i 's/xx/yy/g' xxx
选取文件内容(\1,\2 正则子串匹配标记)
https://blog.youkuaiyun.com/z69183787/article/details/90667731
获取 所有项目的git地址:
git/config文件如下:
[core]
repositoryformatversion = 0
filemode = false
bare = false
logallrefupdates = true
symlinks = false
ignorecase = true
[remote "origin"]
url = ssh://git@git.dianpingoa.com/emidas/emidas-decorate.git
fetch = +refs/heads/*:refs/remotes/origin/*
[branch "master"]
remote = origin
merge = refs/heads/master
[branch "feature/search"]
remote = origin
merge = refs/heads/feature/search
[branch "beta"]
remote = origin
merge = refs/heads/beta
需要获取每一个url 那一行后面的地址,正则需要匹配 空格符 url = xxxx
具体正则 (^\s*)url = (.*),sed命令中需要转义 \ $ * + ( )
sed -n 's/\(^\s*\)url = \(.*\)/\2/p' */.git/config > test.txt