Insert a post programatically in wordpress

gistfile1.php

<?php
$slug = 'your-post-slug';
$title= 'Your post title';
$post_content = 'Your lonng post title';

$post_id = wp_insert_post(
			array(
				'comment_status'	=>	'closed',
				'ping_status'		=>	'closed',
				'post_author'		=>	$author_id,
				'post_name'		    =>	$slug,
				'post_title'		=>	$title,
				'post_status'		=>	'publish',
				'post_type'		    =>	'post',
				'post_content'       => $post_content,
				'post_category' => array(1), //give your category id
			)
		);

print $post_id; //will print the inserted post's id