SSH Key upload script for Bash

upload_ssh_keys.sh

#!/usr/bin/env bash

# Upload SSH keys to server
function upload_ssh_keys () {
if [ "$1" != "" ]
then
	host=$1
	port=`echo -n $host | cut -d: -f 2`
	host=`echo -n $host | cut -d: -f 1`

	echo "Using $host as host"
	echo "Using $port as port"

	port_text=""
	if [ "$port" != "$host" ]
	then
	port_text=" -p $port"
	fi


	cat ~/.ssh/id_rsa.pub | ssh $port_text $host "mkdir -p .ssh; touch .ssh/authorized_keys; cat - >> .ssh/authorized_keys; chmod 700 .ssh; chmod 600 .ssh/authorized_keys"
	echo "Key(s) uploaded to $host $port_text"
else
	echo "'$host' is no valid host. Try upload_ssh_keys user@hostname or upload_ssh_keys user@hostname:port"
fi
}