用subprocess 和popen 会跳出错误
RuntimeWarning: The _posixsubprocess module is not being used. Child process reliability may suffer if your program uses threads.
目的是用在python中用os输入一个命令行命令,命令的output有很多行,储存到另一个单独的file里面
用subprocess 和popen 会跳出错误
RuntimeWarning: The _posixsubprocess module is not being used. Child process reliability may suffer if your program uses threads.
目的是用在python中用os输入一个命令行命令,命令的output有很多行,储存到另一个单独的file里面