60 lines
1.1 KiB
Bash
60 lines
1.1 KiB
Bash
#!/bin/sh
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# $XFree86: xc/programs/xterm/vttests/fonts.sh,v 1.4 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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# Demonstrate the use of dynamic colors by setting the background successively
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# to different values.
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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}]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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