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* problem with 'ls | less' shell function
@ 2022-10-17  9:17 Thomas Klausner
  2022-10-17 14:50 ` Mikael Magnusson
  2022-10-19  9:33 ` Jun T
  0 siblings, 2 replies; 28+ messages in thread
From: Thomas Klausner @ 2022-10-17  9:17 UTC (permalink / raw)
  To: zsh-workers

Hi!

I recently noticed a problem in zsh 5.9 (as built from pkgsrc) on
NetBSD 9.99.100. Since I didn't notice it before it could be related
to a change in NetBSD (I'm following the latest version), but I've
been told that the issue can be reproduced on Ubuntu 19.04 and FreeBSD
13.1 too; but not in zsh 5.8.1, nor in most other shells though.

The discussion on the NetBSD mailing list can be read in this thread:
https://mail-index.netbsd.org/current-users/2022/10/12/msg043076.html
but I'll summarize the issue I see in zsh here.

I have a shell function I've been using for ages:

dir() { ls -al "$@" | less; }

Recently, when I tried suspending this with CTRL-Z and then resuming
it with 'fg', I get:

$ dir
(CTRL-Z)
zsh: done       ls -al "$@" | 
zsh: suspended  
$ fg
[1]  + done       ls -al "$@" | 
       continued  
zsh: done                    ls -al "$@" | 
zsh: suspended (tty output)  
zsh: done                    ls -al "$@" | 
zsh: suspended (tty output)  

The same thing works in NetBSD's ksh:

$ fg
ls -al "$@" | less 
(CTRL-Z)
[1] + Done                 ls -al "$@" |
      Stopped              less 

or in bash

$ fg
ls -al "$@" | less
(CTRL-Z)

[1]+  Stopped                 ls -al "$@" | less

If I use '/bin/ls' in the shell function instead of 'ls', it works
fine.

Any ideas what the issue could be?

Cheers,
 Thomas

(I'll try to send this without subscribing first, since this seems to
be the address intended for bug reports.)


^ permalink raw reply	[flat|nested] 28+ messages in thread

end of thread, other threads:[~2022-11-09  5:04 UTC | newest]

Thread overview: 28+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-10-17  9:17 problem with 'ls | less' shell function Thomas Klausner
2022-10-17 14:50 ` Mikael Magnusson
2022-10-17 15:36   ` Thomas Klausner
2022-10-19  8:26     ` zsugabubus
2022-10-19 10:04       ` Jun T
2022-10-19 13:36         ` Jun. T
2022-10-20  0:10       ` Bart Schaefer
2022-10-20 16:26         ` Peter Stephenson
2022-10-21  5:45       ` Jun T
2022-10-21  7:40         ` Jun T
2022-10-21 21:22           ` Bart Schaefer
2022-10-21 21:24             ` Bart Schaefer
2022-10-22 23:22               ` Bart Schaefer
2022-10-22 23:43                 ` Bart Schaefer
2022-11-03 23:10                   ` Bart Schaefer
2022-11-04  6:09                     ` [PATCH] " Bart Schaefer
2022-11-04 15:10                       ` [PATCH] " Jun T
2022-11-05  0:09                         ` Bart Schaefer
2022-11-06 19:12                           ` Bart Schaefer
2022-11-07  8:43                             ` Jun T
2022-11-07 19:33                               ` Bart Schaefer
2022-11-07 19:44                                 ` Roman Perepelitsa
2022-11-08  0:46                                   ` Bart Schaefer
2022-11-08  0:44                                 ` Bart Schaefer
2022-11-08  5:03                                   ` Bart Schaefer
2022-11-09  5:03                                     ` Bart Schaefer
2022-10-19  9:33 ` Jun T
2022-10-19 10:01   ` Jun T

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