python执行linux命令有两种方法:
在此以Linux常用的ls命令为例:
方法一:使用os模块
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shell # python >> import os >> os.system( 'ls -l' ) |
执行结果:
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drwxr-xr-x 2 root root 4096 2012-03-12 bin drwxr-xr-x 4 root root 1024 2011-10-31 boot drwxr-xr-x 6 root root 4096 2011-11-22 data drwxr-xr-x 12 root root 3620 01-11 16:01 dev drwxr-xr-x 93 root root 12288 01-17 04:02 etc drwxr-xr-x 16 root root 4096 10-18 18:53 home drwxr-xr-x 11 root root 4096 2012-03-12 lib drwxr-xr-x 8 root root 4096 2012-01-20 lib64 drwx------ 2 root root 16384 2011-10-31 lost+found drwxr-xr-x 2 root root 4096 2010-01-27 media drwxr-xr-x 2 root root 0 01-11 16:00 misc drwxr-xr-x 2 root root 4096 2011-12-02 mnt drwxr-xr-x 2 root root 0 01-11 16:00 net drwxr-xr-x 12 root root 4096 2011-11-22 new drwxr-xr-x 2 root root 4096 2010-01-27 opt dr-xr-xr-x 168 root root 0 01-11 15:59 proc drwxr-x--- 6 root root 4096 11-06 11:30 root drwxr-xr-x 2 root root 12288 2012-03-31 sbin drwxr-xr-x 2 root root 4096 2011-10-31 selinux drwxr-xr-x 2 root root 4096 2010-01-27 srv drwxr-xr-x 11 root root 0 01-11 15:59 sys drwxrwxrwt 4 root root 20480 01-18 04:02 tmp drwxr-xr-x 16 root root 4096 07-25 16:34 usr drwxr-xr-x 21 root root 4096 2011-11-02 var |
方法二:使用subprocess模块
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shell # python >> import subprocess >> subprocess.call( 'ls -l' . split ()) |
执行结果是相同的。
ps:开发中最常用的方法是os模块方法。
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