多目录下一次性修改多个文件里的相同内容

find + sed + | + xargs

# find ./ -type f -name “test.txt” |xargs sed -i ‘s/test1/test2/g’

find + sed + -exec

# find ./ -type f -name “test.txt” -execsed -i ‘s/test1/test2/g’ {} \;

find + sed + ``

# sed -i ‘s/test1/test2/g’ `find ./-type f -name “test.txt”`