* Misbehavior of "read" or ...?
[not found] ` <691a5d910801180119p32d48643wa55fd2aefaa3bf6a@mail.gmail.com>
@ 2008-01-18 17:38 ` Bart Schaefer
2008-01-18 18:05 ` Peter Stephenson
0 siblings, 1 reply; 4+ messages in thread
From: Bart Schaefer @ 2008-01-18 17:38 UTC (permalink / raw)
To: zsh-workers
On Jan 18, 1:19am, Bart Schaefer wrote to zsh-users:
}
} function xterm-ask {
} local esc
} unset REPLY reply
} 1=get_${1#get_}
} xterm-tell $1
} case $1 in
} (get_(label|title))
} read -t 2 -rk 3 esc || return 1
} read -rsd $'\e'
} read -rk 1 esc
} ;;
} (get_*)
} read -t 2 -rk 2 esc || return 1
} IFS=';' read -Arsd t
} (( $#reply > 2 )) && shift reply
} ;;
} esac
} return 0
} }
The above works flawlessly in 4.2.6, but in 4.3.4-dev-7 I can't seem to
stop it from echoing the terminal's response in a way that the user can
see it. Even wrapping the whole thing in "stty -echo" doesn't help.
If I run
xterm-tell get_position; IFS=';' read -Arsd t
from the command line, it works as expected. It's only when running
it in a shell function that it misbehaves. I've tried changing from
"-rk" to "-rsk" in each place it's used; doesn't seem to matter.
I've also redirected the output of "case ... esac" to /dev/null with
no better result. The response IS getting seen by "read":
schaefer<524> xterm-ask get_position
^[[3;1016;546t%
schaefer<525> print $reply
1016 546
schaefer<526> unset reply
schaefer<527> xterm-tell get_position; IFS=';' read -Arsd t
schaefer<528> print $reply
1016 546
If I "set -x" the output appears immediately after the trace prints that
"read" is going to be executed, so *something* that "read" is doing is
causing the output to be echoed, I think:
: xterm-ask:5:case; case get_iconify (get_*)
: xterm-ask:9:case; read -t 2 -rsk 2 esc
^[[1t^[[1t: xterm-ask:10:case; IFS=';' : xterm-ask:10:case; read -Arsd t
: xterm-ask:11:case; (( 1 > 2 ))
: xterm-ask:13; return 0
I've tried removing the -t 2, skipping the "read -rk", etc. No change.
This is really annoying.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Misbehavior of "read" or ...?
2008-01-18 17:38 ` Misbehavior of "read" or ...? Bart Schaefer
@ 2008-01-18 18:05 ` Peter Stephenson
2008-01-18 18:26 ` Bart Schaefer
0 siblings, 1 reply; 4+ messages in thread
From: Peter Stephenson @ 2008-01-18 18:05 UTC (permalink / raw)
To: zsh-workers
Bart Schaefer wrote:
> The above works flawlessly in 4.2.6, but in 4.3.4-dev-7 I can't seem to
> stop it from echoing the terminal's response in a way that the user can
> see it. Even wrapping the whole thing in "stty -echo" doesn't help.
What terminal are you using? It seems to work for me in xterm,
gnome-terminal, konsole on a Fedora Something i386 system.
pws
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Misbehavior of "read" or ...?
2008-01-18 18:05 ` Peter Stephenson
@ 2008-01-18 18:26 ` Bart Schaefer
0 siblings, 0 replies; 4+ messages in thread
From: Bart Schaefer @ 2008-01-18 18:26 UTC (permalink / raw)
To: zsh-workers
On Jan 18, 6:05pm, Peter Stephenson wrote:
} Subject: Re: Misbehavior of "read" or ...?
}
} What terminal are you using? It seems to work for me in xterm,
} gnome-terminal, konsole on a Fedora Something i386 system.
Plain 'ol xterm on CentOS 4 (RHEL4u6).
schaefer[568] xterm -e Src/zsh -f
torch% cd Functions/Misc
torch% . ./xtermctl
torch% xterm-ask position
^[[3;855;634t%
torch%
My resources:
XTerm*cutToBeginningOfLine: false
XTerm*cutNewline: false
XTerm*LoginShell: true
XTerm*ReverseWrap: true
XTerm*Curses: true
XTerm*MultiScroll: true
XTerm*ScrollBar: true
XTerm*SaveLines: 1024
XTerm*ttyModes: erase ^?
XTerm*backarrowKey: false
schaefer[570] rpm -q xterm
xterm-192-8.el4
--
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: idea for new feature (was: Re: sticky-note and zle bindings)
[not found] ` <691a5d910801180119p32d48643wa55fd2aefaa3bf6a__27696.5395118625$1200648096$gmane$org@mail.gmail.com>
@ 2008-01-18 20:02 ` Steven Lumos
0 siblings, 0 replies; 4+ messages in thread
From: Steven Lumos @ 2008-01-18 20:02 UTC (permalink / raw)
To: zsh-workers
"Bart Schaefer" <schaefer@brasslantern.com> writes:
> On 1/17/08, Andy Spiegl <zsh.Andy@spiegl.de> wrote:
>> > The upshot is that this isn't a zsh feature -- it's a cooperative
>> > feature that requires effort from both the shell and whatever other
>> > user interface environment it's running inside.
>> Right, so let's start. :-)
>
> Here's something that may be of use. Recent xterm has adopted window
> control sequences from dtterm, according to
> http://www.xfree86.org/current/ctlseqs.html, so zsh might have a
> chance at saving/restoring some window state. I haven't tried Konsole
> but Gnome-terminal pays attention to a subset of this. Other
> terminals I don't know.
I guess "recent" may be relative (Sun 1 you say?), but I've been using
the following for at least 7 years. I do something like
% xtctl size 100 60 move 0 0
all the time on XTerm, rxvt (cygwin no less), OSX Terminal.app, and
PuTTY. That ctlseqs.ms certainly does get around....
(If it looks naive, it's because I was limiting it to Bourne shell,
mostly for fun. At some point while implementing 'get' I gave up and
switched to bash, but it's been so long now that I don't remember why.)
Err, Gnus helpfully informed me that there was a literal ^[ and ^G in
there (Bourne shell...), so here's a link instead:
http://www.isri.unlv.edu/~slumos/hacks/xtctl. It's mostly a curiosity
at this point anyway...
Steve
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2008-01-18 20:25 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
[not found] <20080104105900.37a87f7e@news01>
[not found] ` <237967ef0801040304h494987bv939bf6ff9541123f@mail.gmail.com>
[not found] ` <477E177A.3060303@kotiportti.fi>
[not found] ` <Xns9A20C0F173D23zzappergmailcom@80.91.229.13>
[not found] ` <080113000048.ZM15017@torch.brasslantern.com>
[not found] ` <20080116131048.GC16058@spiegl.de>
[not found] ` <080116075915.ZM12209@torch.brasslantern.com>
[not found] ` <20080116171253.GF16058@spiegl.de>
[not found] ` <080116191103.ZM12889@torch.brasslantern.com>
[not found] ` <20080117172603.GA664@spiegl.de>
[not found] ` <691a5d910801180119p32d48643wa55fd2aefaa3bf6a@mail.gmail.com>
2008-01-18 17:38 ` Misbehavior of "read" or ...? Bart Schaefer
2008-01-18 18:05 ` Peter Stephenson
2008-01-18 18:26 ` Bart Schaefer
[not found] ` <691a5d910801180119p32d48643wa55fd2aefaa3bf6a__27696.5395118625$1200648096$gmane$org@mail.gmail.com>
2008-01-18 20:02 ` idea for new feature (was: Re: sticky-note and zle bindings) Steven Lumos
Code repositories for project(s) associated with this public inbox
https://git.vuxu.org/mirror/zsh/
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).