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Re: How to re-write this bash script in Python?

Date 2015-07-31 18:15 +1000
From Cameron Simpson <cs@zip.com.au>
Subject Re: How to re-write this bash script in Python?
References <CAPTjJmoKYt3=fmz0q=azgVCXTs0YCfeiJZ3fYCSVe7cEzAHkPw@mail.gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.1111.1438330518.3674.python-list@python.org> (permalink)

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On 31Jul2015 17:47, Chris Angelico <rosuav@gmail.com> wrote:
>On Fri, Jul 31, 2015 at 4:31 AM,  <sutanu.das@gmail.com> wrote:
>> #!/bin/bash
[...]
>> _year=$(date -d "-5 hour" +%Y)
>> _month=$(date -d "-5 hour" +%m)
[...]
>For example, bash lacks
>decent timezone support, so I can well believe random832's guess that
>your five-hour offset is a simulation of that; but Python can do much
>better work with timezones, so you can get that actually correct.

Actually, bash has no timezone support but the date command _does_, and 
probably neither better nor worse than Python. All one has to do is set the TZ 
environment variable, eg (untested):

  _year_gmt=$( TZ=GMT date +%Y )

>Also, file handling, searching, and text manipulation and so on can
>usually be done more efficiently and readably in Python directly than
>by piping things through grep and awk.

Again, depends a bit on the data. But in the general case probably true.

Cheers,
Cameron Simpson <cs@zip.com.au>

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Re: How to re-write this bash script in Python? Cameron Simpson <cs@zip.com.au> - 2015-07-31 18:15 +1000

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