From: Bart Schaefer <schaefer@brasslantern.com>
To: Ray Andrews <rayandrews@eastlink.ca>
Cc: Zsh Users <zsh-users@zsh.org>
Subject: Re: read -sq
Date: Sun, 21 Feb 2021 09:31:15 -0800 [thread overview]
Message-ID: <CAH+w=7Y61xDwoONbL8c0EBMecck9oXavoOzBuDHDUu89d5bN1A@mail.gmail.com> (raw)
In-Reply-To: <6a5328e7-e58d-5b47-c0df-463bf4c144ea@eastlink.ca>
On Sun, Feb 21, 2021 at 8:42 AM Ray Andrews <rayandrews@eastlink.ca> wrote:
>
> If I use 'read -sq' and don't press 'y' (to do whatever), if the non 'y'
> key is some normal alphabetic key, it is not echoed to the terminal as
> '-s' indicates is correct, but if I use another key -- an arrow or DEL
> or END or one of those, it is echoed. Can that be prevented?
Not really. As the doc for -q says, "Read only one character from the
terminal", but the arrow keys actually send more than one character.
In the case of down-arrow those are ESC, bracket, and B, so read
consumes and discards the ESC and then whatever comes after it gets
the bracket and the B.
next prev parent reply other threads:[~2021-02-21 17:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-21 16:41 Ray Andrews
2021-02-21 17:31 ` Bart Schaefer [this message]
2021-02-21 17:54 ` Ray Andrews
2021-02-21 21:00 ` Bart Schaefer
2021-02-21 21:58 ` Ray Andrews
2021-02-21 23:03 ` Bart Schaefer
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