rgm-get ... used for getting info from my device and reading nmea and gpx simultaniously .... also supports reading ranges (17-22)

rgm-get.sh

#!/bin/bash

DEVICE=/dev/ttyUSB0
NUMBER=$1

VAR=`echo $NUMBER | grep -o - | wc -l`
if [ "$VAR" == "1" ]
then
        #list
        POS=`expr index "$NUMBER" -`
        FIRST=${NUMBER:0:$POS-1}
        REST=${NUMBER:$POS}
else
        #no list
        FIRST=$NUMBER
        REST=$NUMBER
fi

echo "from $FIRST to $REST do..."

i=$FIRST
while [ $i -le $REST ]
do
echo $i
        NAME=`rgm3800-rev25.py -d $DEVICE list $i | grep -o ....-..-..`
        FILE=$NAME-$i

        rgm3800-rev25.py -d $DEVICE track $i > $FILE.nmea
        rgm3800-rev25.py -d $DEVICE trackx $i > $FILE.gpx

        i=$(( $i + 1 ))
done