ansi_hash

ansi_hash () {
    # Colors a string based on a hash of its contents
    # Usage: ansi_hash [-s style] [-o offset] text ..
    style=0 # default is normal, 1 is bold, 4 is underline
    offset=30 # default is normal, 90 is high intensity

    OPTIND=0
    while getopts s:o: a
    do case "$a" in
            s)	style="$OPTARG";;
	    o)	offset="$OPTARG";;
	    [?])	print >&2 "Usage: $0 [-s style] [-o offset] text ...";;
	esac
    done
    shift `expr $OPTIND - 1`

    hashme="$@"
    hex=`echo "$hashme" | md5sum | cut -b 1-6`
    decimal=$((0x$hex))
    part=`expr $decimal % 8 + $offset`
    printf '\e[%s;%sm%s\e[0m' $style $part $hashme
}