A bash function for displaying wrapped messages in ANSI terminal colors.

colorMsg.func.sh

#!/bin/bash
#
# Requires:
#     awk
#     fmt
#     tput
#
colorMsg() {
    [ $# -gt 1 ] || return 0
    tput -S <<< "$(printf '%s\n' 'sgr 0' ${1##*[0-7]} "setaf ${1%%[^0-7]*}")"
    shift
    if [ $# -gt 0 ]; then
        local awkindenter='{
                if ("   " == substr($0, 0, 3)) {
                    print ind substr($0, 4)
                } else if (NR > 1) {
                    if(pghb) {print ""}
                    print ind $0
                } else {
                    print
                }
            }'
        local indent="$(awk <<<"$1" '{
                p="";
                fwl=length($1);
                while (fwl-- >= 0) {p=p " ";};
                print p;
                exit;
            }')"
        local width="$(( $(tput cols) * 90 / 100 ))"
        (
            echo "$1"
            shift
            [ $# -gt 0 ] && printf '%s\n' "$@"
        ) | fmt -t --width="${width:-75}" | awk -v pghb="${COLORMSG_PARAGRAPHS:-0}" -v ind="$indent" "$awkindenter"
    fi
    tput sgr 0
}