bash pastebin script

#!/bin/bash

# script to send text to pastebin.com
read -p "username:  " un
read -sp "password:  " pw
read -p "paste title: " pname
read -p "format (code type): " format

uk=$(curl -d api_dev_key="dc9d95e68d7db0549edf6131d5233804" -d api_user_name="$un" -d api_user_password="$pw" http://pastebin.com/api/api_login.php)

if [[ $1 = "list" ]];
    then
        curl -d api_dev_key="dc9d95e68d7db0549edf6131d5233804" -d api_user_key="$uk" -d api_user_name="$un" -d api_user_password="$pw" -d api_option="list" http://pastebin.com/api/api_post.php
    else
        pc=$(cat $1)
    curl -d api_dev_key="dc9d95e68d7db0549edf6131d5233804" -d api_user_key="$uk" -d api_user_name="$un" -d api_user_password="$pw" -d api_option="paste" -d api_paste_code="$pc" -d api_paste_name="$pname" -d api_paste_format="$format" http://pastebin.com/api/api_post.php
fi