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Re: How to select every other line from a text file?

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Date Mon, 13 Oct 2014 14:12:35 -0500
From Tim Chase <python.list@tim.thechases.com>
To Joel Goldstick <joel.goldstick@gmail.com>
Subject Re: How to select every other line from a text file?
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On 2014-10-13 14:45, Joel Goldstick wrote:
> Not apropos to the OP, but what came up in my mind was to write a
> generator function that returns every other line.  This would
> separate the reading from the writing code.

You mean like

  offset = 0 # or 1 if you prefer
  for line in itertools.islice(source_iter, offset, None, 2):
    do_something(line)

?

-tkc

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Thread

How to select every other line from a text file? Rff <rwang@avnera.com> - 2014-10-13 10:38 -0700
  Re: How to select every other line from a text file? Chris Angelico <rosuav@gmail.com> - 2014-10-14 04:46 +1100
    Re: How to select every other line from a text file? Grant Edwards <invalid@invalid.invalid> - 2014-10-13 19:04 +0000
  Re: How to select every other line from a text file? John Gordon <gordon@panix.com> - 2014-10-13 17:48 +0000
    Re: How to select every other line from a text file? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-10-13 19:02 +0100
    Re: How to select every other line from a text file? emile <emile@fenx.com> - 2014-10-13 11:11 -0700
    Re: How to select every other line from a text file? Joel Goldstick <joel.goldstick@gmail.com> - 2014-10-13 14:45 -0400
    Re: How to select every other line from a text file? Tim Chase <python.list@tim.thechases.com> - 2014-10-13 14:12 -0500
    Re: How to select every other line from a text file? emile <emile@fenx.com> - 2014-10-13 13:01 -0700
  Re: How to select every other line from a text file? Gary Herron <gary.herron@islandtraining.com> - 2014-10-13 10:50 -0700
  Re: How to select every other line from a text file? Tim Chase <python.list@tim.thechases.com> - 2014-10-13 12:55 -0500
  Re: How to select every other line from a text file? Denis McMahon <denismfmcmahon@gmail.com> - 2014-10-13 23:54 +0000
  Re: How to select every other line from a text file? Dan Stromberg <drsalists@gmail.com> - 2014-10-13 17:34 -0700

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