Python - Systems(parent directory, os module, listdir method)

Introducing Python
Modern Computing in Simple Packages
(O'Reilly Media)
Bill Lubanovic (著)

開発環境

• OS X Yosemite - Apple (OS)
• Emacs (CUI)、BBEdit - Bare Bones Software, Inc. (GUI) (Text Editor)
• Python 3.4 (プログラミング言語)

Introducing Python: Modern Computing in Simple Packages(Bill Lubanovic (著)、 O'Reilly Media)のChapter 10(Systems)、Things to Do 10.5.を解いてみる。

Things to Do 10.5.

コード(Eacs, BBEdit)

#!/usr/bin/env python3
# -*-c doing: utf-8 -*_

import os

os.chdir('/usr/bin')
for dir in os.listdir('..')[:10]:
    print(dir)
    

入出力結果(Terminal, IPython)

$ ./sample5.py
bin
include
lib
libexec
local
sbin
share
standalone
X11
X11R6
$