#: cat pad.sh
#pad a string with a certain amount of chars

#arg1 is the string, mandatory
#arg2 is the padding length (optional, defaults to 80)
#arg3 is the char used for padding (optional, defaults to space)
function pad() {
        str=$1; len=${2:-80}; char=${3:-\ }; padlen=$(($len-${#str}))
        for((i=0; i<$padlen; i++)); do
                        str=${str}${char};
        done
        echo "${str}"
}
#: #tesing
#: pad hello 5 \#
hello
#: pad hello 10 \#
hello#####
#: pad hello 20 -
hello---------------
#: #seems to work :)