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Re: rsync --delete

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On Tue, 20 Oct 2020 at 14:11, David Christensen
<dpchrist@holgerdanske.com> wrote:
> On 2020-10-19 04:55, Greg Wooledge wrote:
> > On Sat, Oct 17, 2020 at 03:01:13PM -0700, David Christensen wrote:

> >> I try to use all lower case letters for variable names and all upper case
> >> letters for constants.

> > ALL_UPPER_CASE is reserved for internal shell variables, and environment
> > variables.

> Please provide a citation (for Bourne shell scripts).

Maybe POSIX.1-2017 is what you're asking for?

https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap01.html
"""
POSIX.1-2017 defines a standard operating system interface and
environment, including a command interpreter (or "shell"), and
common utility programs to support applications portability at the
source code level.
"""

https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html
"""
Environment variable names used by the utilities in the Shell and Utilities
volume of POSIX.1-2017 consist solely of uppercase letters, digits, and
the <underscore> ( '_' )
[...]
The name space of environment variable names containing lowercase
letters is reserved for applications.
[...]
It is unwise to conflict with certain variables that are frequently exported
by widely used command interpreters and applications:
[...]
"""

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rsync --delete Mike McClain <mike.junk.46@att.net> - 2020-10-17 00:30 +0200
  Re: rsync --delete Klaus Singvogel <deb-user-ml@singvogel.net> - 2020-10-17 00:40 +0200
    Re: rsync --delete Greg Wooledge <wooledg@eeg.ccf.org> - 2020-10-19 13:40 +0200
  Re: rsync --delete ellanios82 <ellanios82@gmail.com> - 2020-10-17 00:40 +0200
  Re: rsync --delete Charles Curley <charlescurley@charlescurley.com> - 2020-10-17 04:10 +0200
  Re: rsync --delete Will Mengarini <seldon@eskimo.com> - 2020-10-17 08:40 +0200
    Re: rsync --delete Greg Wooledge <wooledg@eeg.ccf.org> - 2020-10-19 13:50 +0200
  Re: rsync --delete <tomas@tuxteam.de> - 2020-10-17 10:40 +0200
    Re: rsync --delete David <bouncingcats@gmail.com> - 2020-10-17 14:20 +0200
      Re: rsync --delete <tomas@tuxteam.de> - 2020-10-17 15:30 +0200
    Re: rsync --delete Mike McClain <mike.junk.46@att.net> - 2020-10-17 20:30 +0200
      Re: rsync --delete Greg Wooledge <wooledg@eeg.ccf.org> - 2020-10-19 13:50 +0200
    Re: rsync --delete Andrei POPESCU <andreimpopescu@gmail.com> - 2020-10-18 12:50 +0200
  Re: rsync --delete Andy Smith <andy@strugglers.net> - 2020-10-17 17:30 +0200
  Re: rsync --delete David Christensen <dpchrist@holgerdanske.com> - 2020-10-18 00:10 +0200
    Re: rsync --delete Mike McClain <mike.junk.46@att.net> - 2020-10-19 01:40 +0200
    Re: rsync --delete Greg Wooledge <wooledg@eeg.ccf.org> - 2020-10-19 14:00 +0200
      Re: rsync --delete Mike McClain <mike.junk.46@att.net> - 2020-10-19 21:10 +0200
        Re: rsync --delete Greg Wooledge <wooledg@eeg.ccf.org> - 2020-10-19 21:20 +0200
          Re: rsync --delete Tixy <tixy@yxit.co.uk> - 2020-10-19 23:20 +0200
            Re: rsync --delete David Christensen <dpchrist@holgerdanske.com> - 2020-10-20 05:10 +0200
              Re: rsync --delete Tixy <tixy@yxit.co.uk> - 2020-10-20 09:30 +0200
                Re: rsync --delete David <bouncingcats@gmail.com> - 2020-10-20 10:00 +0200
                Re: rsync --delete Tixy <tixy@yxit.co.uk> - 2020-10-20 10:20 +0200
              Re: rsync --delete Andrei POPESCU <andreimpopescu@gmail.com> - 2020-10-20 11:10 +0200
        Re: rsync --delete David <bouncingcats@gmail.com> - 2020-10-19 23:20 +0200
      Re: rsync --delete David Christensen <dpchrist@holgerdanske.com> - 2020-10-20 05:20 +0200
        Re: rsync --delete David <bouncingcats@gmail.com> - 2020-10-20 06:10 +0200
          Re: rsync --delete Nicolas George <george@nsup.org> - 2020-10-20 12:10 +0200
        Re: rsync --delete Greg Wooledge <wooledg@eeg.ccf.org> - 2020-10-20 13:50 +0200
          Re: rsync --delete The Wanderer <wanderer@fastmail.fm> - 2020-10-20 14:50 +0200
            Re: rsync --delete Greg Wooledge <wooledg@eeg.ccf.org> - 2020-10-20 15:10 +0200
              Re: rsync --delete The Wanderer <wanderer@fastmail.fm> - 2020-10-20 15:50 +0200
                Re: rsync --delete Greg Wooledge <wooledg@eeg.ccf.org> - 2020-10-20 16:10 +0200
    define (or translate, or substitute for) "interpolate": Re: rsync --delete rhkramer@gmail.com - 2020-10-19 14:30 +0200
      Re: define (or translate, or substitute for) "interpolate": Re: rsync --delete rhkramer@gmail.com - 2020-10-19 14:50 +0200
      Re: define (or translate, or substitute for) "interpolate": Re:  rsync --delete <tomas@tuxteam.de> - 2020-10-19 15:00 +0200
        Re: define (or translate, or substitute for) "interpolate": Re: rsync --delete rhkramer@gmail.com - 2020-10-20 02:10 +0200
          Re: define (or translate, or substitute for) "interpolate": Re: rsync  --delete David Christensen <dpchrist@holgerdanske.com> - 2020-10-20 05:50 +0200
  Re: rsync --delete Greg Wooledge <wooledg@eeg.ccf.org> - 2020-10-19 14:10 +0200

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