1#!/bin/sh
2# $XTermId: version.sh,v 1.6 2022/04/25 22:47:07 tom Exp $
3# -----------------------------------------------------------------------------
4# this file is part of xterm
5#
6# Copyright 2020,2022 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# Demonstrate version-string from xterm #354
35
36ESC=""
37CMD='/bin/echo'
38OPT='-n'
39SUF=''
40TMP=`(mktemp "$TMPDIR/xterm.XXXXXXXX") 2>/dev/null` || TMP="$TMPDIR/xterm$$"
41eval '$CMD $OPT >$TMP || echo fail >$TMP' 2>/dev/null
42( test ! -f "$TMP" || test -s "$TMP" ) &&
43for verb in printf print ; do
44    rm -f "$TMP"
45    eval '$verb "\c" >"$TMP" || echo fail >"$TMP"' 2>/dev/null
46    if test -f "$TMP" ; then
47	if test ! -s "$TMP" ; then
48	    CMD="$verb"
49	    OPT=
50	    SUF='\c'
51	    break
52	fi
53    fi
54done
55rm -f "$TMP"
56
57exec </dev/tty
58old=`stty -g`
59stty raw -echo min 0  time 5
60
61$CMD $OPT "${ESC}[>0q${SUF}" > /dev/tty
62read -r version
63
64stty $old
65echo "$version" |cat -v
66