A hacky xdg-open drop-in replacement

wsl-xdg-open.sh

#!/bin/sh
# Download this, name it xdg-open, and move it to somewhere early in your
# path on your WSL2 Linux filesystem

usage () {
	echo "Usage: $0 <file URL>" >&2
	exit 1
}

test $# -ne 1 && usage

case "$1" in
	-h|--help|--manual|--version)
		echo "This is a hacky xdg-open replacement for WSL2" >&2
		usage
		;;
	-*) echo "Unknown option"
esac

if printf '%s\n' "$1" | grep '^[a-zA-Z]\+://' >/dev/null
then
	/mnt/c/Windows/system32/cmd.exe /c start "$1"
else
	/mnt/c/Windows/system32/cmd.exe /c start "$(wslpath -w "$1")"
fi