bash 删除某个字符串后的所有内容
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时间：2020-09-18 16:32:26 来源:igfitidea点击:
Remove everything after a certain string
提问by Tomá? Janulík
I though this was going to be a simple task but I am having some trouble with it.
我虽然这将是一项简单的任务，但我遇到了一些麻烦。
Sample input
样本输入
$ cat file.txt
Brown Potatoes with Cheese
Yellow Potatoes with Sugar and Cheese
I would like to use sedto remove everything after the string with
我想用sed字符串后删除一切与
So the output would be
所以输出将是
Brown Potatoes
Yellow Potatoes
I've tried this regex but it doesn't seem to work.
我试过这个正则表达式，但它似乎不起作用。
sed -i -e "s/with.*//g" file.txt
Where did I go wrong?
我哪里做错了？
回答by mathB
mathb@Balu:~$ sed -i.bak 's/with.*//g' file.txt
mathb@Balu:~$ cat file.txt
Brown Potatoes
Yellow Potatoes
mathb@Balu:~$
