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Groups > comp.lang.python > #9165

Re: String concatenation vs. string formatting

From Roy Smith <roy@panix.com>
Newsgroups comp.lang.python
Subject Re: String concatenation vs. string formatting
Date 2011-07-10 10:33 -0400
Organization PANIX Public Access Internet and UNIX, NYC
Message-ID <roy-0D981D.10330810072011@news.panix.com> (permalink)
References <mailman.785.1310156331.1164.python-list@python.org> <iv7p0o$nup$1@reader1.panix.com> <mailman.828.1310280324.1164.python-list@python.org>

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In article <mailman.828.1310280324.1164.python-list@python.org>,
 Andrew Berg <bahamutzero8825@gmail.com> wrote:

> How should I go about switching from concatenation to string formatting
> for this?
> 
> avs.write(demux_filter + field_filter + fpsin_filter + i2pfilter +
> dn_filter + fpsout_filter + trim_filter + info_filter)
> 
> I can think of a few ways, but none of them are pretty.

The canonical way to do that would be something like

fields = [demux_filter,
          field_filter,
          fpsin_filter,
          i2pfilter,
          dn_filter,
          fpsout_filter,
          trim_filter,
          info_filter]
avs.write(''.join(fields))

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Thread

String concatenation vs. string formatting Andrew Berg <bahamutzero8825@gmail.com> - 2011-07-08 15:18 -0500
  Re: String concatenation vs. string formatting John Gordon <gordon@panix.com> - 2011-07-08 20:23 +0000
    Re: String concatenation vs. string formatting Ben Finney <ben+python@benfinney.id.au> - 2011-07-09 08:50 +1000
      Re: String concatenation vs. string formatting Ben Finney <ben+python@benfinney.id.au> - 2011-07-09 09:15 +1000
    Re: String concatenation vs. string formatting Thorsten Kampe <thorsten@thorstenkampe.de> - 2011-07-09 06:23 +0200
    Re: String concatenation vs. string formatting Andrew Berg <bahamutzero8825@gmail.com> - 2011-07-10 01:45 -0500
      Re: String concatenation vs. string formatting Ben Finney <ben+python@benfinney.id.au> - 2011-07-10 17:07 +1000
      Re: String concatenation vs. string formatting Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-07-10 23:42 +1000
      Re: String concatenation vs. string formatting Roy Smith <roy@panix.com> - 2011-07-10 10:33 -0400
        Re: String concatenation vs. string formatting Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-07-11 08:48 +1000
        Re: String concatenation vs. string formatting Andrew Berg <bahamutzero8825@gmail.com> - 2011-07-10 18:24 -0500
  Re: String concatenation vs. string formatting Billy Mays <noway@nohow.com> - 2011-07-08 16:57 -0400
    Re: String concatenation vs. string formatting Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-07-09 15:30 +1000
      Re: String concatenation vs. string formatting Ian Kelly <ian.g.kelly@gmail.com> - 2011-07-09 00:04 -0600
      Re: String concatenation vs. string formatting Chris Angelico <rosuav@gmail.com> - 2011-07-09 16:16 +1000
      Re: String concatenation vs. string formatting Ian Kelly <ian.g.kelly@gmail.com> - 2011-07-09 00:29 -0600
  Re: String concatenation vs. string formatting Ben Finney <ben+python@benfinney.id.au> - 2011-07-09 08:59 +1000
    Re: String concatenation vs. string formatting Andrew Berg <bahamutzero8825@gmail.com> - 2011-07-08 18:29 -0500
  Re: String concatenation vs. string formatting Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-07-09 15:12 +1000

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