python如何删除文件里包含关键词的行

Question

要把一个文件里的所有含有/local/server的行删除.

Answer 1

import shutil
with open('/path/to/file', 'r') as f:
    with open('/path/to/file.new', 'w') as g:
        for line in f.readlines():
            if '/local/server' not in line:             
                g.write(line)
shutil.move('/path/to/file.new', '/path/to/file')