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Re: Using -prune option of find to ignore hidden directories

From Nicolas George <george@nsup.org>
Newsgroups linux.debian.user
Subject Re: Using -prune option of find to ignore hidden directories
Date 2017-05-04 14:30 +0200
Message-ID <tDo3n-3lL-15@gated-at.bofh.it> (permalink)
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Le quintidi 15 floréal, an CCXXV, Greg Wooledge a écrit :
> Bash has an option for this behavior (nullglob).  It's off by default
> because it produces extremely surprising results in interactive use.

For interactive use, the other other behaviour is obviously the best
one:

~ $ ls *.c
zsh: no matches found: *.c
zsh: exit 1     ls --color=tty -FT0 *.c

Notice how zsh is reporting the error, not ls?

> Most of the traditional Unix commands are designed around the standard
> shell behavior of expanding a glob if possible, but leaving it untouched
> if it matches nothing.

This is completely untrue, fortunately.

> For example, rm(1):
> 
> $ rm *.txy
> rm: cannot remove '*.txy': No such file or directory
> 
> rm expects an expanded list of pathnames, and tries to remove each of
> them.  If one of them can't be removed, then it writes the argument
> as part of the error message, so you know which one it couldn't remove.

Case in point: rm does nothing special with globs.

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Using -prune option of find to ignore hidden directories Richard Owlett <rowlett@cloud85.net> - 2017-05-03 17:00 +0200
  Re: Using -prune option of find to ignore hidden directories "Thomas Schmitt" <scdbackup@gmx.net> - 2017-05-03 17:20 +0200
  Re: Using -prune option of find to ignore hidden directories rhkramer@gmail.com - 2017-05-03 17:20 +0200
    Re: Using -prune option of find to ignore hidden directories Greg Wooledge <wooledg@eeg.ccf.org> - 2017-05-03 17:50 +0200
      Re: Using -prune option of find to ignore hidden directories rhkramer@gmail.com - 2017-05-03 18:10 +0200
        Re: Using -prune option of find to ignore hidden directories Greg Wooledge <wooledg@eeg.ccf.org> - 2017-05-03 18:20 +0200
          Re: Using -prune option of find to ignore hidden directories rhkramer@gmail.com - 2017-05-03 18:30 +0200
            Re: Using -prune option of find to ignore hidden directories Greg Wooledge <wooledg@eeg.ccf.org> - 2017-05-03 19:40 +0200
      Re: Using -prune option of find to ignore hidden directories <tomas@tuxteam.de> - 2017-05-03 22:30 +0200
        Re: Using -prune option of find to ignore hidden directories Greg Wooledge <wooledg@eeg.ccf.org> - 2017-05-03 22:40 +0200
          Re: Using -prune option of find to ignore hidden directories <tomas@tuxteam.de> - 2017-05-03 23:20 +0200
        Re: Using -prune option of find to ignore hidden directories rhkramer@gmail.com - 2017-05-04 04:30 +0200
          Re: Using -prune option of find to ignore hidden directories rhkramer@gmail.com - 2017-05-04 04:50 +0200
            Re: Using -prune option of find to ignore hidden directories Bob McGowan <ramjr0915@gmail.com> - 2017-05-04 08:00 +0200
              Re: Using -prune option of find to ignore hidden directories <tomas@tuxteam.de> - 2017-05-04 09:30 +0200
                Re: Using -prune option of find to ignore hidden directories Nicolas George <george@nsup.org> - 2017-05-04 09:40 +0200
                Re: Using -prune option of find to ignore hidden directories tomas@tuxteam.de - 2017-05-04 10:00 +0200
                Re: Using -prune option of find to ignore hidden directories Greg Wooledge <wooledg@eeg.ccf.org> - 2017-05-04 14:10 +0200
                Re: Using -prune option of find to ignore hidden directories Nicolas George <george@nsup.org> - 2017-05-04 14:30 +0200
                Re: Using -prune option of find to ignore hidden directories Greg Wooledge <wooledg@eeg.ccf.org> - 2017-05-04 14:40 +0200
              Re: Using -prune option of find to ignore hidden directories rhkramer@gmail.com - 2017-05-04 13:40 +0200
    Re: Using -prune option of find to ignore hidden directories Richard Owlett <rowlett@cloud85.net> - 2017-05-03 19:40 +0200
      Addendum Re: Using -prune option of find to ignore hidden directories Richard Owlett <rowlett@cloud85.net> - 2017-05-03 20:00 +0200
      Re: Using -prune option of find to ignore hidden directories rhkramer@gmail.com - 2017-05-04 04:20 +0200
    Re: Using -prune option of find to ignore hidden directories David <bouncingcats@gmail.com> - 2017-05-04 02:00 +0200
      Re: Using -prune option of find to ignore hidden directories David <bouncingcats@gmail.com> - 2017-05-04 02:10 +0200

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