t.co

#!/bin/bash

help() {
   echo 'usage: t.co'
   echo '       t.co --help'
   echo
   echo '   temporarily allow access to t.co'
   echo
   echo '   This script will allow t.co access and wait for a'
   echo '   keypress. The assumption is that you want to keep'
   echo '   t.co blocked and only want to shortly enable it'
   echo '   when clicking on a link on Twitter'
   echo
   echo '   This script needs the `hosts` script'
   echo
   exit 1
}

[ "$1" == "--help" ] && help

set -e          # stop on error
set -u          # stop on undefined variable
set -o pipefail # stop part of pipeline failing

HOSTS_EXE=$( command -v hosts )

sudo -- $HOSTS_EXE allow t.co
echo "press enter to block t.co again"
read
sudo -- $HOSTS_EXE block t.co