Python - Systems(file, open, with/as statement, datetime module, date,today method, isoformat 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 10.1.を解いてみる。

Things to Do 10.1.

コード(Eacs, BBEdit)

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

import datetime

with open('today.txt', 'w') as f:
    print(datetime.date.today().isoformat(), file=f)

入出力結果(Terminal, IPython)

$ ./sample1.py 
$ cat today.txt 
2015-03-29
$