ttt.sh

#!/bin/bash

cp=""
todaylist=${1}
while read i || [[ -n $i ]]; do
    if [[ "${i}" =~ [^.*]:$ ]]; then
        cp=$(echo "${i}" | tr '[:upper:]' '[:lower:]')
    elif [[ ! "${i}" =~ "@done" && ! "${i}" =~ "@cancelled" ]]; then
        if [ ${#i} -gt 0 ]; then
            if [[ "${i}" =~ "@today" ]]; then priority="(A) "; i=$(echo "${i}" | sed "s/\@today //g"); else priority="";fi
            out=$(echo "${i}" | sed -E "s/\@due\(([0-9]{4})-([0-9]{2})-([0-9]{2})\)/due\:\1-\2-\3/g")
            echo "${priority}${out:2} +${cp%?}"
        fi
    fi
done < ${todaylist}