这是我想在python下运行的命令。基本上我想tar
文件夹下的所有文件:
tar -jcvf doo.tar.gz /home/user/doo/*
import subprocess
subprocess.run(['tar', '-jcvf', 'doo.tar.gz', '/home/user/doo/*'])
返回以下错误:
tar: Removing leading `/' from member names
tar: /home/user/doo/*: Cannot stat: No such file or directory
tar: Exiting with failure status due to previous errors
后来我用glob
尝试了。
import subprocess, glob
subprocess.run(['tar', '-jcvf', 'doo.tar.gz', glob.glob("*")])
返回以下错误:
Traceback (most recent call last):
File "dd.py", line 4, in <module>
subprocess.run(['tar', '-jcvf', 'doo.tar.gz', glob.glob("*")])
File "/usr/local/lib/python3.5/subprocess.py", line 693, in run
with Popen(*popenargs, **kwargs) as process:
File "/usr/local/lib/python3.5/subprocess.py", line 947, in __init__
restore_signals, start_new_session)
File "/usr/local/lib/python3.5/subprocess.py", line 1490, in _execute_child
restore_signals, start_new_session, preexec_fn)
TypeError: Can't convert 'list' object to str implicitly
以下方法有效,但我不确定如何一个接一个地提供所有文件名:
import subprocess, glob
subprocess.run(['tar', '-jcvf', 'doo.tar.gz', 'hello.txt', 'world.txt'])
subprocess.run(['tar', '-jcvf', 'doo.tar.gz', glob.glob("*")])
glob
返回一个字符串列表。你不应该把它嵌入传递给run
的列表中,而是追加它。
subprocess.run(['tar', '-jcvf', 'doo.tar.gz'] + glob.glob("*"))
请注意,您已经省略了主目录。
subprocess.run(['tar', '-jcvf', 'doo.tar.gz'] + glob.glob("/home/user/doo/*"))
壳牌是可以扩大*
的那个。因此,在子进程调用中指定shell=True
以展开它。
subprocess.run(['tar', '-jcvf', 'doo.tar.gz', '/home/user/doo/*'], shell=True)