Prints the path in Windows of a path in my Linux virtual machine

winpath

#!/bin/bash

# Felix E. Klee <felix.klee@inka.de>

MSLINK=mslink_v1.3.sh
DROPBOX_DIR="/mnt/c/Users/Felix/Dropbox"
DROPBOX_WIN_DIR='C:\Users\Felix\Dropbox'
HOME_DIR="/home/felix"
HOME_WIN_DIR='\\wsl.localhost\Ubuntu\home\felix'

show_help() {
cat << EOF
Usage: ${0##*/} PATH
Prints the path in Windows of PATH in my Linux virtual machine.
EOF
}

if [ "$#" -ne 1 ]; then
    show_help >&2
    exit 1
fi

FULLPATH="$(realpath "$1")"

if [[ "$FULLPATH" == "$DROPBOX_DIR"* ]]; then
    DIR="$DROPBOX_DIR"
    WIN_DIR="$DROPBOX_WIN_DIR"
elif [[ "$FULLPATH" == "$HOME_DIR"* ]]; then
    DIR="$HOME_DIR"
    WIN_DIR="$HOME_WIN_DIR"
else
    echo "Path not supported" >&2
    exit 1
fi

RELPATH="$(realpath --relative-to="$DIR" "$FULLPATH")"
WINPATH="$WIN_DIR"'\'"${RELPATH////\\}"

echo "$WINPATH"