gistfile1.txt

#!/bin/bash

# uses github.com/defunkt/gist
 ## run `gem install gist`
 ## make sure to run `gist --login` on install
# uses github.com/astrand/xclip
 ## run `sudo apt install xclip`

# this could be anything and it'll use zenity, nothing and it won't
use_zenity=""

if [ "$use_zenity" != "" ]; then
  zenity --timeout 2 --question --text="Upload a gist?"
  prompt_code="$?"
else
  prompt_code="0"
fi
if [ "$prompt_code" == "0" ]; then
  if [ "$(xclip -selection c -o)" != "" ]; then
    url="$(xclip -selection c -o | gist)"
  else
    echo "Nothing in clipboard!"
    exit
  fi
  echo "$url" | xclip -selection c
  if [ "$use_zenity" != "" ]; then
    zenity --timeout 1 --info --text="Gist uploaded to $url!"
  fi
else
  echo "Cancelling upload..."
fi