#!/bin/bash

host="$1"
port="$2"

[[ ${port} =~ ^[0-9][0-9]*$ ]] || { echo "The given port $port (2. argument) is not valid." >&2 && exit 1 ; }
shift 2

IFS=","
for f in $@
do
  { echo "${f}" && cat "${f}" ; } | ncat -i1 $host $port
done