88 lines
2.6 KiB
Bash
88 lines
2.6 KiB
Bash
#!/bin/sh
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# $XTermId: fonts.sh,v 1.12 2015/08/10 20:43:05 tom Exp $
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# -----------------------------------------------------------------------------
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# this file is part of xterm
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#
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# Copyright 1999-2011,2015 by Thomas E. Dickey
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#
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# All Rights Reserved
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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# Except as contained in this notice, the name(s) of the above copyright
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# holders shall not be used in advertising or otherwise to promote the
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# sale, use or other dealings in this Software without prior written
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# authorization.
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# -----------------------------------------------------------------------------
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# Demonstrate control sequence which sets relative fonts.
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ESC=""
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CMD='/bin/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}]50;?${SUF}" > /dev/tty
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read original
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stty $old
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original="${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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F=1
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D=1
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T=6
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while true
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do
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$CMD $OPT "${ESC}]50;#$F${SUF}" >/dev/tty
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#sleep 1
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if test .$D = .1 ; then
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test $F = $T && D=-1
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else
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test $F = 1 && D=1
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fi
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F=`expr $F + $D`
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done
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