Windows CD for WSL - changes to /mnt/x based paths from windows paths

.bashrc

alias wcd='. ~/wcd.sh'

wcd.sh

#!/bin/bash
if [ "$#" -ne 1 ]; then
    echo "Please pass just one argument surrounded by quotes"   
else
    replaced="${1//\\//}"
    replaced="${replaced//:/}"

    lowered="$(echo $replaced | sed 's/^[A-Z]*./\L&/')"
    
    dir="/mnt/$lowered"

    if [ ! -d "$dir" ]; then
        echo "Dir does not exist - make sure you surround paramter in \"quotes\" - $dir"
    else
        cd "$dir"
    fi   
fi