/usr/bin/python3importsysprint('Number of arguments:',len(sys.argv),'arguments.')print('Argument List:',str(sys.argv)) 现在运行上面的脚本,这将产生以下结果 - F:\>python F:\worksp\python\command_line_arguments.py Number of arguments:1arguments.Argume...
F:\>python F:\worksp\python\command_line_arguments.py Number of arguments:1arguments. Argument List: ['F:\\worksp\\python\\command_line_arguments.py'] F:\>python F:\worksp\python\command_line_arguments.py arg1 arg2 arg3 arg4 Number of arguments:5arguments. Argument List: ['F:\\wor...
You can get access to the command line parameters using the sys module. len(sys.argv) contains the number of arguments. To print all of the arguments simply execute str(sys.argv) #!/usr/bin/pythonimport sysprint('Arguments:', len(sys.argv))print('List:', str(sys.argv))Example:python...
$ ./main Python Command Line Arguments Arguments count: 5 Argument 0: ./main Argument 1: Python Argument 2: Command Argument 3: Line Argument 4: Arguments The output shows that the number of arguments is 5, and the list of arguments includes the name of the program, main, followed by ...
optional arguments:-h, --help show this help message and exit 3. 使用argparse模块,添加参数, #coding=utf-8importargparseif__name__=="__main__":print"arg test"parser=argparse.ArgumentParser() parser.add_argument("reportname", help="set the reportname by this argument") ...
# import the necessary packages import argparse # construct the argument parse and parse the arguments ap = argparse.ArgumentParser() ap.add_argument("-n", "--name", required=True, …
Python argparse module is the preferred way to parse command line arguments. It provides a lot of option such as positional arguments, default value for arguments, help message, specifying data type of argument etc. At the very simplest form, we can use it like below. ...
args = arguments.Args() print args.get(0) 1. 2. 3. Run python test.py 123 will print 123. 处理输入流 from clint import piped_in if __name__ == '__main__': in_data = piped_in() print in_data 1. 2. 3. 4. Run python test.py < 1.txt will print 1.txt content. ...
Python 提供了getopt模块来获取命令行参数。 $ python test.py arg1 arg2 arg3 Python 中也可以使用sys的sys.argv来获取命令行参数: sys.argv 是命令行参数列表。 len(sys.argv) 是命令行参数个数。 注:sys.argv[0] 表示脚本名。 实例 test.py 文件代码如下: ...
(option, value) pairs; the second is the list of program arguments left after the option list was stripped (this is a trailing slice of the first argument). Each option-and-value pair returned has the option as its first element, prefixed with a hyphen (e.g., ...