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#!/usr/bin/env python
# coding=utf-8
"""A simple example demonstrating the using paged output via the ppaged() method.
"""
import cmd2
from cmd2 import with_argument_list
class PagedOutput(cmd2.Cmd):
""" Example cmd2 application where we create commands that just print the arguments they are called with."""
def __init__(self):
super().__init__()
@with_argument_list
def do_page_file(self, args):
"""Read in a text file and display its output in a pager."""
if not args:
self.perror('page_file requires a path to a file as an argument', traceback_war=False)
return
with open(args[0], 'r') as f:
text = f.read()
self.ppaged(text)
complete_page_file = cmd2.Cmd.path_complete
if __name__ == '__main__':
app = PagedOutput()
app.cmdloop()
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