wslpath -w for new file

winpath.bash

#!/usr/bin/env bash
# Useful for specifing new WSL file path to save by vscode
function winpath() {
	file_path=$(wslpath -a "$1") # Absolute path (full path)
	file_basename=$(basename "${file_path}")
	file_dirname=$(dirname "${file_path}")
    if [ "$#" -eq 0 ]; then
        wslpath -w .
	elif [ "$#" -eq 1 ]; then
		# Also works for new files
		echo $( wslpath -w "${file_dirname}" )"\\"${file_basename}
    else
        wslpath -w "$@"
    fi
}
winpath "$@"