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Re: question about ls

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On Thu, Sep 27, 2018 at 09:59:58AM -0400, Greg Wooledge wrote:
> On Thu, Sep 27, 2018 at 08:53:28AM -0500, David Wright wrote:
> > On Thu 27 Sep 2018 at 07:55:56 (-0500), Kent West wrote:
> > > westk@westkbox:/opt$ ls -la | wc
> > >      7      56     321
> > > westk@westkbox:/opt$ ls -1a | wc
> > >      6       6      54
> > 
> > But do use 1A, not 1a, if you want to know how many items are
> > in a folder, otherwise . and .. will be included in the count.
> 
> All of the above give the wrong answers when filenames contain newlines.
> Any solution that involves printing the filenames to a stream and then
> trying to parse that stream to guess how many filenames are in the stream
> is a non-starter -- unless of course the stream uses NUL delimiters
> instead of newlines.
> 
> Sadly, the GNU coreutils maintainers have rejected every request, even
> requests with patches attached, to add a --null option to ls.  So,
> ls is not suited to this task.

To be fair, there's -b (escape nonprinting) and -q for that. Both defuse
the "newline-in-file-name" case.

Cheers
- -- tomás
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Scribus has stopped importing PDF files Gary Dale <garyndp@gmail.com> - 2018-09-25 23:00 +0200
  question about ls Long Wind <longwind2@yahoo.com> - 2018-09-26 00:30 +0200
    Re: question about ls Ben Caradoc-Davies <ben@transient.nz> - 2018-09-26 00:40 +0200
      Re: question about ls Long Wind <longwind2@yahoo.com> - 2018-09-26 01:00 +0200
        Re: question about ls Long Wind <longwind2@yahoo.com> - 2018-09-26 01:00 +0200
          Re: question about ls Ben Caradoc-Davies <ben@transient.nz> - 2018-09-26 01:20 +0200
            Re: question about ls Kent West <westk@acu.edu> - 2018-09-27 15:00 +0200
              Re: question about ls Greg Wooledge <wooledg@eeg.ccf.org> - 2018-09-27 15:20 +0200
                Re: question about ls Richard Hector <richard@walnut.gen.nz> - 2018-09-28 08:00 +0200
                Re: question about ls Ionel Mugurel Ciobîcă <I.M.Ciobica@gmail.com> - 2018-09-28 09:10 +0200
                Re: question about ls Greg Wooledge <wooledg@eeg.ccf.org> - 2018-09-28 14:30 +0200
                Re: question about ls Richard Hector <richard@walnut.gen.nz> - 2018-09-28 16:40 +0200
                Re: question about ls Virgo Pärna <virgo.parna@mail.ee> - 2018-10-03 14:10 +0200
                Re: question about ls Greg Wooledge <wooledg@eeg.ccf.org> - 2018-10-03 15:00 +0200
              Re: question about ls David Wright <deblis@lionunicorn.co.uk> - 2018-09-27 16:00 +0200
                Re: question about ls Greg Wooledge <wooledg@eeg.ccf.org> - 2018-09-27 16:10 +0200
                Re: question about ls David Wright <deblis@lionunicorn.co.uk> - 2018-09-27 16:30 +0200
                Re: question about ls Michael Stone <mstone@debian.org> - 2018-09-27 17:10 +0200
                Re: question about ls <tomas@tuxteam.de> - 2018-09-28 09:00 +0200
                Re: question about ls Michael Stone <mstone@debian.org> - 2018-09-28 12:50 +0200
                Re: question about ls <tomas@tuxteam.de> - 2018-09-28 09:00 +0200
    Re: question about ls Greg Wooledge <wooledg@eeg.ccf.org> - 2018-09-27 14:40 +0200
      Re: question about ls Gene Heskett <gheskett@shentel.net> - 2018-09-27 17:00 +0200
        Re: question about ls Greg Wooledge <wooledg@eeg.ccf.org> - 2018-09-27 17:10 +0200
  Re: Scribus has stopped importing PDF files rv riveravaldez <riveravaldezmail@gmail.com> - 2018-09-28 01:40 +0200

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