this script creates htaccess files in the same root as when you called this script

create-htaccess

#!/bin/bash
user=$1;

if [ "$user" = "" ]
	then
		echo -n "user name:"
		read user
fi

pwd | awk '{root = $1}; END {print "AuthName \"Secure Area\"\nAuthType Basic\nAuthUserFile " root "/.htpasswd\nrequire valid-user" }' > .htaccess
htpasswd -c .htpasswd $user
chmod 644 .htpasswd

chmor +x path-to-this-gist