首先, 我们来看如何在一个文件中替换指定文本 sed -i 's/originaltext/newtext/g’ file.txt 在多个文件中替换指定文本,我们只需修改对应匹配文件名称即可. sed -i 's/originaltext/newtext/g’ *.txt "sed" - More explanation: * sed = Stream EDitor * -i = in-place (i.e. save back to the original file) * The command string: * s = the substitute command * original = a regular expression describing the word to replace (or just t...