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|
#!/bin/sh
#
# (c) 2007 by Robert Manea <rob dot manea at gmail dot com>
#
# KITT Scanner for dzen - a man, a car, a dzen
#
#---[ KITT configuration ]----------------------------------------------
SCANNER_LEDS=17
LED_SPACING=3
LED_WIDTH=25
LED_HEIGHT=10
INACTIVE_LED_COLOR=darkred
ACTIVE_LED_COLOR=red
BG=black
SLEEP=0.1
DZEN=dzen2
DZENOPTS="-bg $BG -fg $INACTIVE_LED_COLOR"
#-----------------------------------------------------------------------
DFG="^fg(${INACTIVE_LED_COLOR})"
LFG="^fg(${ACTIVE_LED_COLOR})"
RECT="^r(${LED_WIDTH}x${LED_HEIGHT})"
i=; j=1; SIGN='+'
# build a number list "1 2 ... $SCANNER_LEDS"
nr_list_leds() {
l=1
lnr=$1
while [ $l -le $lnr ]; do
NRLIST=${NRLIST}' '${l}
l=`expr $l + 1`
done
echo $NRLIST
}
LED_LIST=`nr_list_leds $SCANNER_LEDS`
while :; do
for i in $LED_LIST; do
if [ "$i" -eq "$j" ]; then
KBAR=${KBAR}"^p(${LED_SPACING})"${LFG}${RECT}${DFG}
else
KBAR=${KBAR}"^p(${LED_SPACING})"${RECT}
fi
done
echo $KBAR; KBAR=
if [ $SIGN = '+' ] && [ $j -ge $SCANNER_LEDS ]; then
j=$SCANNER_LEDS
SIGN='-'
elif [ $SIGN = '-' ] && [ $j -eq 1 ]; then
j=1
SIGN='+'
fi
j=`expr $j $SIGN 1`
sleep $SLEEP;
done | $DZEN $DZENOPTS -h `expr $LED_HEIGHT + 4`
|
