From: iuso
To: bug-bash@gnu.org
Subject: timeout option for read that restarts on type
Configuration Information [Automatically generated, do not change]:
Machine: i686
OS: linux-gnu
Compiler: gcc
Compilation
CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='i686' -DCONF_OSTYPE='linux-gnu'
-DCONF_MACHTYPE='i686-pc-linux-gnu' -DCONF_VENDOR='pc'
-DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL -DHAVE_CONFIG_H -I.
-I. -I./include -I./lib -O2 -march=pentium-m -pipe -fomit-frame-pointer
uname output: Linux kamayuq 2.6.16-ck3 #1 PREEMPT Wed Apr 5 01:04:13 EEST 2006
i686 GNU/Linux
Machine Type: i686-pc-linux-gnu
Bash Version: 3.0
Patch Level: 16
Release Status: release
Description:
The read command should have an option to use timeout which
restarts every time a character is typed.
Repeat-By:
Source Mage GNU/Linux uses 'read -t' with a configurable timeout
value for some of its core operations. It is frustrating to have
the timeout exceed just as user is in mid-sentence.
The present hack to get around this is to use 'read -t <value>
-n 1' to capture the first typed char, and then continue after
that with a second read command without a timeout value.
The downsides to this are obvious. First of all it's impossible
to backspace the first character typed. It also prevents the use
of the -e option, which enables arrow, home, and end key usage,
and lets the user to back up to the previous rows of typed text.
Fix:
[Description of how to fix the problem. If you don't know a
fix for the problem, don't include this section.]
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