#!/usr/bin/env bash

# Converts a number from one base to another. DEST_RADIX is optional and
# defaults to 10.
#
# Usage: base SRC_RADIX NUMBER DEST_RADIX
# Examples:
#  + base 2 110      #=> 6   (110_2 => 6_10)
#  + base 10 9 8     #=> 11  (9_10  => 11_8)
#  + base 16 FF      #=> 255 (FF_16 => 255_10)

bc <<< "obase=${3:-10};ibase=$1;$2"