drwxr-xr-x7wader wader40965月262016桌面0>>>subprocess.check_call('ls -l /test',shell=True)ls:无法访问/test:没有那个文件或目录 Traceback(most recent call last):File"<stdin>",line1,in<module>File"/usr/lib/python3.4/subprocess.py",line557,incheck_callraiseCalledProcessError(retcode,...
File"/usr/lib64/python2.7/subprocess.py", line1327,in_execute_child raisechild_exception OSError: [Errno2] No suchfileordirectory </module></stdin> Python subprocess模块功能与常见用法实例详解4、subprocess.getstatusoutput() 接受字符串形式的命令,返回 一个元组形式的结果,第一个元素是命令执行状态,...
File"<stdin>", line1,in<module> File"/usr/lib/python3.4/subprocess.py", line557,incheck_callraiseCalledProcessError(retcode, cmd) subprocess.CalledProcessError: Command'ls -l /test'returned non-zero exit status2 subprocess.check_output() >>>ret = subprocess.check_output(['ls','-l'])>...
Overview of the Python subprocess Module The Python subprocess module is for launching child processes. These processes can be anything from GUI applications to the shell. The parent-child relationship of processes is where the sub in the subprocess name comes from. When you use subprocess, Python...
tmpfs tmpfs2.8G02.8G0%/dev/shm/dev/sda1 ext4 976M 56M 853M7%/boot>>>print a0>>>a=subprocess.check_call('dfdsf',shell=True)/bin/sh:dfdsf:command not foundTraceback(most recent call last):File"<stdin>",line1,in<module>File"/usr/lib64/python2.6/subprocess.py",line502,incheck_call...
subprocess是Python 2.4中新增的一个模块,它允许你生成新的进程,连接到它们的 input/output/error 管道,并获取它们的返回(状态)码。这个模块的目的在于替换几个旧的模块和方法,如: os.system os.spawn* 1. 2. 1. subprocess模块中的常用函数 说明:
Python subprocess 执行shell Python’s Subprocess Module: A Comprehensive Guide to Executing Shell Commands Python的subprocess模块是一个强大的工具,能够让你在Python程序中执行shell命令。这为Python与系统命令行之间的交互提供了灵活性,尤其是在自动化任务和处理外部命令时。
for row in reader: print(row['ip']) cmd = 'ping -n 30 ' + row['ip'] run(cmd) 目的很简单,就是通过读取记录IP的csv文件进行ping测试。 使用的是subprocess模块的run来进行,因为根据python3.5的手册: Thesubprocessmodule allows you to spawn new processes, connect to their input/output/error pip...
wait(timeout=5)) >>> Traceback (most recent call last): File "/Users/ljk/Documents/code/daily_dev/subprocess_demo/subprocess_demo.py", line 41, in <module> print(res.wait(timeout=5)) File "/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/lib/python...
('ls -l /test', shell=True) ls: 无法访问/test: 没有那个文件或目录 Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/usr/lib/python3.4/subprocess.py", line 557, in check_call raise CalledProcessError(retcode, cmd) subprocess.CalledProcessError: Command...