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vttests
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dynamic.sh
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Linux/UNIX/POSIX Shell Script
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1999-09-19
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936b
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53 lines
#!/bin/sh
# $XFree86: xc/programs/xterm/vttests/dynamic.sh,v 1.2 1999/04/11 13:11:43 dawes Exp $
#
# -- Thomas Dickey (1999/3/27)
# Demonstrate the use of dynamic colors by setting the background successively
# to different values.
ESC=""
CMD='echo'
OPT='-n'
SUF=''
TMP=/tmp/xterm$$
for verb in print printf ; do
rm -f $TMP
eval '$verb "\c" >$TMP || echo fail >$TMP' 2>/dev/null
if test -f $TMP ; then
if test ! -s $TMP ; then
CMD="$verb"
OPT=
SUF='\c'
break
fi
fi
done
rm -f $TMP
LIST="00 30 80 d0 ff"
exec </dev/tty
old=`stty -g`
stty raw -echo min 0 time 5
$CMD $OPT "${ESC}]11;?${SUF}" > /dev/tty
read original
stty $old
original=${original}${SUF}
trap '$CMD $OPT "$original" >/dev/tty; exit' 0 1 2 5 15
while true
do
for R in $LIST
do
for G in $LIST
do
for B in $LIST
do
$CMD $OPT "${ESC}]11;rgb:$R/$G/$B${SUF}" >/dev/tty
sleep 1
done
done
done
done