Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #99983

Re: getting fileinput to do errors='ignore' or 'replace'?

Show all headers | View raw

On 2015-12-03, Terry Reedy wrote:

> fileinput is an ancient module that predates iterators (and generators) 
> and context managers. Since by 2.7 open files are both context managers 
> and line iterators, you can easily write your own multi-file line 
> iteration that does exactly what you want.  At minimum:
>
> for file in files:
>      with codecs.open(file, errors='ignore') as f
>      # did not look up signature,
>          for line in f:
>              do_stuff(line)
>
> To make this reusable, wrap in 'def filelines(files):' and replace 
> 'do_stuff(line)' with 'yield line'.

I like fileinput because if the file list is empty, it reads from
stdin instead (so I can pipe something else's output into it).
Unfortunately, the fix I got elsewhere in this thread doesn't seem to
work for that!


-- 
Science is what we understand well enough to explain to a computer.  
Art is everything else we do.                      --- Donald Knuth

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

getting fileinput to do errors='ignore' or 'replace'? Adam Funk <a24061@ducksburg.com> - 2015-12-03 15:12 +0000
  Re: getting fileinput to do errors='ignore' or 'replace'? Adam Funk <a24061@ducksburg.com> - 2015-12-03 15:18 +0000
    Re: getting fileinput to do errors='ignore' or 'replace'? Peter Otten <__peter__@web.de> - 2015-12-03 17:11 +0100
      Re: getting fileinput to do errors='ignore' or 'replace'? Adam Funk <a24061@ducksburg.com> - 2015-12-03 19:17 +0000
    Re: getting fileinput to do errors='ignore' or 'replace'? Terry Reedy <tjreedy@udel.edu> - 2015-12-03 11:48 -0500
      Re: getting fileinput to do errors='ignore' or 'replace'? Adam Funk <a24061@ducksburg.com> - 2015-12-03 19:21 +0000
    Re: getting fileinput to do errors='ignore' or 'replace'? Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2015-12-03 22:26 +0000
    Re: getting fileinput to do errors='ignore' or 'replace'? Serhiy Storchaka <storchaka@gmail.com> - 2015-12-04 10:34 +0200
    Re: getting fileinput to do errors='ignore' or 'replace'? Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2015-12-04 09:00 +0000
      Re: getting fileinput to do errors='ignore' or 'replace'? Adam Funk <a24061@ducksburg.com> - 2015-12-07 14:46 +0000
  Re: getting fileinput to do errors='ignore' or 'replace'? MRAB <python@mrabarnett.plus.com> - 2015-12-03 16:12 +0000
  Re: getting fileinput to do errors='ignore' or 'replace'? Laura Creighton <lac@openend.se> - 2015-12-03 17:46 +0100
    Re: getting fileinput to do errors='ignore' or 'replace'? Adam Funk <a24061@ducksburg.com> - 2015-12-03 19:17 +0000
      Re: getting fileinput to do errors='ignore' or 'replace'? Laura Creighton <lac@openend.se> - 2015-12-03 21:40 +0100

csiph-web