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Member "xterm-379/vttests/title.sh" (25 Apr 2022, 2847 Bytes) of package /linux/misc/xterm-379.tgz:

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    1 #!/bin/sh
    2 # $XTermId: title.sh,v 1.26 2022/04/25 08:19:38 tom Exp $
    3 # -----------------------------------------------------------------------------
    4 # this file is part of xterm
    5 #
    6 # Copyright 1999-2021,2022 by Thomas E. Dickey
    7 #
    8 #                         All Rights Reserved
    9 #
   10 # Permission is hereby granted, free of charge, to any person obtaining a
   11 # copy of this software and associated documentation files (the
   12 # "Software"), to deal in the Software without restriction, including
   13 # without limitation the rights to use, copy, modify, merge, publish,
   14 # distribute, sublicense, and/or sell copies of the Software, and to
   15 # permit persons to whom the Software is furnished to do so, subject to
   16 # the following conditions:
   17 #
   18 # The above copyright notice and this permission notice shall be included
   19 # in all copies or substantial portions of the Software.
   20 #
   21 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   22 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   23 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   24 # IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
   25 # CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
   26 # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   27 # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   28 #
   29 # Except as contained in this notice, the name(s) of the above copyright
   30 # holders shall not be used in advertising or otherwise to promote the
   31 # sale, use or other dealings in this Software without prior written
   32 # authorization.
   33 # -----------------------------------------------------------------------------
   34 # Obtain the current title of the window, set up a simple clock which runs
   35 # until this script is interrupted, then restore the title.
   36 
   37 ESC=""
   38 CSI="${ESC}["
   39 CMD='/bin/echo'
   40 OPT='-n'
   41 SUF=''
   42 : "${TMPDIR=/tmp}"
   43 TMP=`(mktemp "$TMPDIR/xterm.XXXXXXXX") 2>/dev/null` || TMP="$TMPDIR/xterm$$"
   44 eval '$CMD $OPT >$TMP || echo fail >$TMP' 2>/dev/null
   45 { test ! -f "$TMP" || test -s "$TMP"; } &&
   46 for verb in "printf" "print" ; do
   47     rm -f "$TMP"
   48     eval '$verb "\c" >$TMP || echo fail >$TMP' 2>/dev/null
   49     if test -f "$TMP" ; then
   50     if test ! -s "$TMP" ; then
   51         CMD="$verb"
   52         OPT=
   53         SUF='\c'
   54         break
   55     fi
   56     fi
   57 done
   58 rm -f "$TMP"
   59 
   60 exec </dev/tty
   61 old=`stty -g`
   62 stty raw -echo min 0  time 5
   63 
   64 $CMD $OPT "${CSI}21t${SUF}" > /dev/tty
   65 read -r original
   66 
   67 stty $old
   68 
   69 # We actually get this terminated by an <esc>backslash, but the backslash
   70 # is lost.  We may lose doublequote characters when restoring the title,
   71 # depending on the shell.
   72 original=`echo "$original" |sed -e 's/^...//' -e 's/.$//'`
   73 original=${ESC}]2\;"${original}"${SUF}
   74 
   75 trap '$CMD $OPT "$original" >/dev/tty; exit 1' 1 2 3 15
   76 trap '$CMD $OPT "$original" >/dev/tty' 0
   77 
   78 while true
   79 do
   80     sleep 1
   81     $CMD $OPT "${ESC}]2;`date`" >/dev/tty
   82 done