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From: Roman Perepelitsa <roman.perepelitsa@gmail.com>
To: Ray Andrews <rayandrews@eastlink.ca>
Cc: zsh-users@zsh.org
Subject: Re: path PATH
Date: Wed, 25 Jan 2023 18:37:16 +0100	[thread overview]
Message-ID: <CAN=4vMovDnS7fXCDVJTPsezAC6B1pwQmSJ2UJx44nPZVnTxqEg@mail.gmail.com> (raw)
In-Reply-To: <ce69d5d8-052d-ba80-2eb7-58d3ae767603@eastlink.ca>

On Wed, Jan 25, 2023 at 6:34 PM Ray Andrews <rayandrews@eastlink.ca> wrote:
>
>
> On 2023-01-25 09:02, Roman Perepelitsa wrote:
> > These parameters have values. The following three lines are equivalent
>
> 5 /aWorking/Zsh/Source/Wk 1 $ zzz=
>
> 5 /aWorking/Zsh/Source/Wk 1 $ echo "'$zzz'"
> ''
>
> What is the value of zzz?  How can it be called anything but nothing?

This value is usually called "empty" or "null". The parameter is not
unset though.

Roman.


  reply	other threads:[~2023-01-25 17:38 UTC|newest]

Thread overview: 119+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-20 21:57 Ray Andrews
2023-01-20 22:20 ` Bart Schaefer
2023-01-21  2:23   ` Ray Andrews
2023-01-21  6:11     ` Lawrence Velázquez
2023-01-21 15:18       ` Ray Andrews
2023-01-21 15:25         ` Roman Perepelitsa
2023-01-21 16:21           ` Ray Andrews
2023-01-21 16:38             ` Roman Perepelitsa
2023-01-21 16:54               ` Ray Andrews
2023-01-21 17:01                 ` Roman Perepelitsa
2023-01-21 18:53                   ` Ray Andrews
2023-01-21 19:09                     ` Roman Perepelitsa
2023-01-21 20:50                       ` Ray Andrews
2023-01-21 21:11                         ` Roman Perepelitsa
2023-01-21 20:19                     ` Bart Schaefer
2023-01-21 20:26                       ` env arrays (was: Re: path PATH) zeurkous
2023-01-22 17:28                         ` Bart Schaefer
2023-01-21 21:03                       ` path PATH Ray Andrews
2023-01-21 21:52                         ` Lawrence Velázquez
2023-01-22  0:42                           ` Ray Andrews
2023-01-22 12:29                             ` Roman Perepelitsa
2023-01-22 14:17                               ` Ray Andrews
2023-01-22 16:15                                 ` Bart Schaefer
2023-01-22 17:23                                   ` Ray Andrews
2023-01-22 19:20                               ` Bart Schaefer
2023-01-22 19:31                                 ` Roman Perepelitsa
2023-01-22 19:51                                   ` Bart Schaefer
2023-01-22 19:56                                     ` Roman Perepelitsa
2023-01-22 20:03                                       ` Bart Schaefer
2023-01-22 21:56                                         ` Bart Schaefer
2023-01-22 22:02                                           ` Roman Perepelitsa
2023-01-22 22:27                                             ` Bart Schaefer
2023-01-22 23:03                                           ` Ray Andrews
2023-01-22 20:12                                       ` Ray Andrews
2023-01-22 21:11                                         ` Bart Schaefer
2023-01-22 22:44                                           ` Ray Andrews
2023-01-22 23:35                                             ` Lawrence Velázquez
2023-01-22 23:58                                               ` Ray Andrews
2023-01-23  0:49                                                 ` Lawrence Velázquez
2023-01-23  1:33                                                   ` Bart Schaefer
2023-01-23  1:49                                                     ` Lawrence Velázquez
2023-01-23  1:11                                             ` Bart Schaefer
2023-01-23  1:56                                               ` Ray Andrews
2023-01-23  2:59                                                 ` Lawrence Velázquez
2023-01-23  3:47                                                   ` Ray Andrews
2023-01-23 10:37                                             ` Roman Perepelitsa
2023-01-23 15:28                                               ` Ray Andrews
2023-01-23 15:40                                                 ` zeurkous
2023-01-23 16:02                                                   ` Ray Andrews
2023-01-23 16:25                                                     ` zeurkous
2023-01-23 16:26                                               ` Bart Schaefer
2023-01-24 20:00                                     ` Ray Andrews
2023-01-24 20:42                                       ` Bart Schaefer
2023-01-24 20:50                                         ` Bart Schaefer
2023-01-24 20:54                                         ` Ray Andrews
2023-01-24 23:28                                     ` Ray Andrews
2023-01-24 23:42                                       ` Bart Schaefer
2023-01-25  0:14                                         ` Ray Andrews
2023-01-25 16:38                                           ` Ray Andrews
2023-01-25 16:43                                             ` Roman Perepelitsa
2023-01-25 16:56                                               ` Ray Andrews
2023-01-25 17:02                                                 ` Roman Perepelitsa
2023-01-25 17:34                                                   ` Ray Andrews
2023-01-25 17:37                                                     ` Roman Perepelitsa [this message]
2023-01-25 18:26                                                       ` Ray Andrews
2023-01-25 18:34                                                         ` Roman Perepelitsa
2023-01-25 19:00                                                           ` Ray Andrews
2023-01-26  2:13                                                           ` Ray Andrews
2023-01-26  2:37                                                             ` Bart Schaefer
2023-01-26  4:27                                                               ` Ray Andrews
2023-01-26 20:26                                                                 ` Ray Andrews
2023-01-26 20:29                                                                   ` Roman Perepelitsa
2023-01-26 20:59                                                                     ` Ray Andrews
2023-01-26 21:17                                                                       ` Bart Schaefer
2023-01-26 21:41                                                                       ` Bart Schaefer
2023-01-26 21:44                                                                         ` Bart Schaefer
2023-01-26 22:36                                                                           ` Ray Andrews
2023-01-26 22:43                                                                             ` Bart Schaefer
2023-01-27  0:19                                                                               ` Ray Andrews
2023-01-27  3:36                                                                                 ` Ray Andrews
2023-01-27 17:51                                                                                 ` Ray Andrews
2023-01-27 20:45                                                                                   ` Bart Schaefer
2023-01-27 21:09                                                                                     ` Ray Andrews
2023-01-27 23:45                                                                                       ` scowles
2023-01-28  0:12                                                                                         ` Ray Andrews
2023-01-28  3:47                                                                                           ` Bart Schaefer
2023-01-28 16:42                                                                                             ` Ray Andrews
2023-01-28 22:51                                                                                               ` Bart Schaefer
2023-01-29  2:30                                                                                                 ` Ray Andrews
2023-01-29  3:03                                                                                                   ` Bart Schaefer
2023-01-29  3:44                                                                                                     ` Ray Andrews
2023-01-29  4:35                                                                                                       ` Bart Schaefer
2023-01-29 15:54                                                                                                         ` Ray Andrews
2023-01-29 21:21                                                                                                           ` Lawrence Velázquez
2023-01-29 22:33                                                                                                             ` Ray Andrews
2023-01-29 22:42                                                                                                               ` Lawrence Velázquez
2023-01-30  0:42                                                                                                                 ` Ray Andrews
2023-01-30  0:46                                                                                                                   ` Ray Andrews
2023-01-30  4:41                                                                                                                 ` Bart Schaefer
2023-01-30  5:16                                                                                                                   ` Lawrence Velázquez
2023-01-30  6:55                                                                                                                     ` Bart Schaefer
2023-01-30 14:40                                                                                                                   ` Ray Andrews
2023-01-30 14:55                                                                                                                     ` Ray Andrews
2023-01-30 14:56                                                                                                                     ` Roman Perepelitsa
2023-01-30 15:56                                                                                                                       ` Ray Andrews
2023-01-30 16:09                                                                                                                         ` Roman Perepelitsa
2023-01-30 16:24                                                                                                                           ` Bart Schaefer
2023-01-30 16:34                                                                                                                             ` Roman Perepelitsa
2023-01-30 23:05                                                                                                                           ` Ray Andrews
2023-01-30 17:50                                                                                                                         ` Bart Schaefer
2023-01-31  0:42                                                                                                                           ` Ray Andrews
2023-01-26 22:18                                                                         ` Ray Andrews
2023-01-25 22:18                                                   ` Bart Schaefer
2023-01-25 23:10                                                     ` Ray Andrews
2023-01-25 23:19                                                       ` Bart Schaefer
2023-01-26  0:55                                                         ` Ray Andrews
2023-01-22 19:52                                 ` Ray Andrews
2023-01-21 16:48             ` Bart Schaefer
2023-01-21  5:47 ` Lawrence Velázquez

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