56 lines
1.3 KiB
Bash
56 lines
1.3 KiB
Bash
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#!/bin/sh
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# $XFree86: xc/programs/xterm/vttests/title.sh,v 1.6 2003/05/19 00:52:30 dickey Exp $
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#
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# -- Thomas Dickey (1999/3/27)
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# Obtain the current title of the window, set up a simple clock which runs
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# until this script is interrupted, then restore the title.
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ESC=""
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CMD='echo'
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OPT='-n'
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SUF=''
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TMP=/tmp/xterm$$
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eval '$CMD $OPT >$TMP || echo fail >$TMP' 2>/dev/null
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( test ! -f $TMP || test -s $TMP ) &&
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for verb in printf print ; do
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rm -f $TMP
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eval '$verb "\c" >$TMP || echo fail >$TMP' 2>/dev/null
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if test -f $TMP ; then
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if test ! -s $TMP ; then
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CMD="$verb"
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OPT=
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SUF='\c'
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break
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fi
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fi
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done
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rm -f $TMP
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exec </dev/tty
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old=`stty -g`
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stty raw -echo min 0 time 5
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$CMD $OPT "${ESC}[21t${SUF}" > /dev/tty
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read original
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stty $old
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# We actually get this terminated by an <esc>backslash, but the backslash
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# is lost. We may lose doublequote characters when restoring the title,
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# depending on the shell.
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original=`echo "$original" |sed -e 's/^...//' -e 's/.$//'`
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original=${ESC}]2\;"${original}"${SUF}
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if ( trap "echo exit" EXIT 2>/dev/null ) >/dev/null
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then
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trap '$CMD $OPT "$original" >/dev/tty; exit' EXIT HUP INT TRAP TERM
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else
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trap '$CMD $OPT "$original" >/dev/tty; exit' 0 1 2 5 15
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fi
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while true
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do
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sleep 1
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$CMD $OPT "${ESC}]2;`date`" >/dev/tty
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done
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