Poor man's `CURL` or `WGET`

http-get.sh

#!/usr/bin/env sh
#
# Usage: http-get.sh [PATH PORT HOST]
# 
# Environment variables
# REQUEST_PATH - path of the request, default value `/`
# REQUEST_PORT - http port, default value `80`
# REQUEST_HOST - host of the request, default value `localhost`

REQUEST_PATH=${1:-${REQUEST_PATH-/}}
REQUEST_PORT=${2:-${REQUEST_PORT-80}}
REQUEST_HOST=${3:-${REQUEST_HOST-localhost}}


exec 5<> /dev/tcp/$REQUEST_HOST/$REQUEST_PORT
cat <&5 &
printf "GET $REQUEST_PATH HTTP/1.0\r\n\r\n" >&5
cat <&5