From: Roman Perepelitsa <roman.perepelitsa@gmail.com>
To: Ray Andrews <rayandrews@eastlink.ca>
Cc: Zsh Users <zsh-users@zsh.org>
Subject: Re: stty size doesn't work
Date: Mon, 24 Oct 2022 00:21:13 +0200 [thread overview]
Message-ID: <CAN=4vMrJ6y48-XOZRCpxnX6DEfUBQf25wzoscqGnwq+0ViLcTQ@mail.gmail.com> (raw)
In-Reply-To: <80a69953-a19c-f5c3-17fb-747633527712@eastlink.ca>
On Sun, Oct 23, 2022 at 10:47 PM Ray Andrews <rayandrews@eastlink.ca> wrote:
>
> I doubt this is zsh's problem but she may have a solution just the same. I do this in my 'i' function:
>
> width=${=$( stty size )[2]}
>
> ... and it works fine, however if I call the function thusly:
>
> _function_test ()
> {
> local integer i=0
> while read aa; do
> let i++
> eval ${=aa} 2> /dev/null
> done
> }
>
> $ _function_test <<< "i path"
>
> ... 'width' is zero.
`stty size` needs the TTY as stdin. When you are invoking it from
_function_test, stdin is not a TTY. Use $COLUMNS instead. There is
also $LINES if you need height.
width=$COLUMNS
Roman.
next prev parent reply other threads:[~2022-10-23 22:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-23 20:47 Ray Andrews
2022-10-23 22:21 ` Roman Perepelitsa [this message]
2022-10-24 2:59 ` Ray Andrews
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