Bash script that opens man page with x-man-page

xman.sh

#!/usr/bin/env bash

# Xman v0.2

# On macOS, opens x-man page in new window for scripts
# that have man pages. Otherwise attempt to open with
# default man command.

for argument in "$@"; do
    # If man page exists open with x-man-page
    if man "$argument" > /dev/null 2>&1 ; then
        open x-man-page://"$argument"
    # else attempt to open with default man page
    else
        man "$argument"
    fi
done