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", $1}'
    else
        echo "${VAL}" | awk '{printf "%c", $1}'
    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 -c 10-  | sed 's/ //g')
if [[ $(echo "${MATERIALID}" | tail -c +9 | head -c 1) == "H" ]] ; then
   MATERIALID="${MATERIALID}D"
fi
echo DEVICEID,$(echo "${IDS}" | cut -c 1-8),MATERIALID,${MATERIALID},SOM,$(_addcolons $(echo "${BARCODE}" | cut -c 42-49)),duration,$(_addcolons $(echo "${BARCODE}" | cut -c 50-57))
_log -e