88 lines
1.9 KiB
Bash
88 lines
1.9 KiB
Bash
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#!/bin/sh
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# $XFree86: xc/programs/xterm/vttests/doublechars.sh,v 1.5 2003/05/19 00:52:30 dickey Exp $
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#
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# -- Thomas Dickey (1999/7/7)
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# Illustrate the use of double-size characters by drawing successive lines in
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# the commonly used video attributes.
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#
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# Use the -w option to force the output to wrap. It will look ugly, because
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# the double-high lines will be split.
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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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SAVE=yes
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WRAP=no
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if test $# != 0 ; then
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while test $# != 0
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do
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case $1 in
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-n) SAVE=no ;;
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-w) WRAP=yes ;;
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esac
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shift
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done
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fi
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if test $SAVE = yes ; then
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exec </dev/tty
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old=`stty -g`
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stty raw -echo min 0 time 5
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$CMD $OPT "${ESC}[18t${SUF}" > /dev/tty
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IFS=';' read junk high wide
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stty $old
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wide=`echo $wide|sed -e 's/t.*//'`
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original=${ESC}[8\;${high}\;${wide}t${SUF}
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if ( trap "echo exit" EXIT 2>/dev/null ) >/dev/null
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then
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trap '$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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fi
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if test $WRAP = yes ; then
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# turn on wrapping and force the screen to 80 columns
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$CMD $OPT "${ESC}[?7h" >/dev/tty
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$CMD $OPT "${ESC}[?40l" >/dev/tty
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else
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# force the screen to 132 columns
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$CMD $OPT "${ESC}[?40h" >/dev/tty
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$CMD $OPT "${ESC}[?3h" >/dev/tty
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fi
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for SGR in 0 1 4 5 7
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do
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$CMD $OPT "${ESC}[0;${SGR}m" >/dev/tty
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for DBL in 5 3 4 6 5
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do
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$CMD $OPT "${ESC}#${DBL}" >/dev/tty
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echo "The quick brown fox jumps over the lazy dog" >/dev/tty
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done
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echo
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done
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$CMD $OPT "${ESC}[0m" >/dev/tty
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