通过内置的fileinput模块即可实现,创建文件filein.py:
#!/usr/bin/env <a href="https://www.gaodaima.com/tag/python" title="查看更多关于python的文章" target="_blank">python</a> import file<a href="https://www.gaodaima.com/tag/input" title="查看更多关于input的文章" target="_blank">input</a> f_input = fileinput.input() for line in f_input: print(line, end='')
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增加可执行权限:
chmod a+x filein.py
使用:
$ ls | ./filein.py # Prints a directory listing to stdout. $ ./filein.py /etc/passwd # Reads /etc/passwd to stdout. $ ./filein.py < /etc/passwd # Reads /etc/passwd to stdout.
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