1.python源码如下

[root@njmon python]# cat create_file.py 
#!/usr/bin/env python
import os
def touch_file_func(filename,text):

    if not os.path.exists("/tmp"):
        os.makedirs("/tmp")

    filename1 = "/tmp/" + filename + '.txt'
    if not os.path.exists(filename1):
        file = open(filename1,'w')

        file.write(text)
        file.close()
        print('create file %s success.' % filename1)
    else:
        print('file %s is already exist.' % filename1)

def main():
    touch_file_func('test1', 'hello Python/n')

if __name__ == "__main__":
    main()

2.创建文件http://www.cndba.cn/hbhe0316/article/106601

[root@njmon python]# python create_file.py 
create file /tmp/test1.txt success.

3.如果文件存在http://www.cndba.cn/hbhe0316/article/106601

[root@njmon python]# python create_file.py 
file /tmp/test1.txt is already exist.

4.查看/tmp/test1.txt文件

[root@njmon python]# cat /tmp/test1.txt 
hello Python

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Python