Linux find and replace all strings in a directory [transfer]

 

Find files in a folder containing a string

Example: Find all files containing "rubyer.me" in the /usr/local directory.

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1	grep -lr 'rubyer.me' /usr/local/ *

vim replace all string method in single file

Example: replace all old in the current file with new

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1 2	:%s /old/new/g #%表示替换所有行，g表示替换一行中所有匹配点。

Replace files containing strings in a folder

sed combined with grep
example: To change the old in all files under the directory /www to new, do this:

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1	sed -i "s/old/new/g" ` grep old -rl /www `