barcodeinterpret

#!/bin/bash
# interpret Interleaved 2/5 barcode 58 byte barcode values used by the ProBell tape management system

scriptdir=`dirname "$0"`
. "$scriptdir/mmfunctions" || { echo "Missing '$scriptdir/mmfunctions'. Exiting." ; exit 1 ;};

cleanup(){
    log -a "Process aborted"
    exit 1
}

trap cleanup SIGHUP SIGINT SIGTERM
log -b

if test $# != 1 ; then
    echo "You must supply one argument, a scanned interleaved 2/5 barcode value"; exit
fi

barcode="$1"

translatebyte()
{
    val=`echo $1 | echo $(cut -c $2-$3) + 32 | bc`
    if [ "$val" = 131 ] ; then
        echo 9 | awk '{printf("%c", $0);}'
    else
        echo $val | awk '{printf("%c", $0);}'
    fi
}
addcolons()
{
    echo $(echo $1 | cut -c 1-2):$(echo $1 | cut -c 3-4):$(echo $1 | cut -c 5-6):$(echo $1 | cut -c 7-8)
}

get_ids()
{
    barcode=$1
    c00=`translatebyte $barcode 2 3`
    c01=`translatebyte $barcode 4 5`
    c02=`translatebyte $barcode 6 7`
    c03=`translatebyte $barcode 8 9`
    c04=`translatebyte $barcode 10 11`
    c05=`translatebyte $barcode 12 13`
    c06=`translatebyte $barcode 14 15`
    c07=`translatebyte $barcode 16 17`
    c08=`translatebyte $barcode 18 19`
    c09=`translatebyte $barcode 20 21`
    c10=`translatebyte $barcode 22 23`
    c11=`translatebyte $barcode 24 25`
    c12=`translatebyte $barcode 26 27`
    c13=`translatebyte $barcode 28 29`
    c14=`translatebyte $barcode 30 31`
    c15=`translatebyte $barcode 32 33`
    c16=`translatebyte $barcode 34 35`
    c17=`translatebyte $barcode 36 37`
    c18=`translatebyte $barcode 38 39`
    c19=`translatebyte $barcode 40 41`
    echo $c00$c01$c02$c03$c04$c05$c06$c07$c08$c09$c10$c11$c12$c13$c14$c15$c16$c17$c18$c19
}

ids=`get_ids $barcode`

materialid=$(echo $ids | cut -d ' ' -f 2)
if [[ $(echo "$materialid" | tail -c +9 | head -c 1) == "H" ]] ; then
   materialid="${materialid}D"
fi
echo deviceid,$(echo $ids | cut -d ' ' -f 1),materialid,$materialid,som,`addcolons $(echo $barcode | cut -c 42-49)`,duration,`addcolons $(echo $barcode | cut -c 50-57)`
log -e