Excerpt

Default wordpress excerpt length is 55 words. It’s easy to change the default excerpt length in wordpress in less than 2 minutes to desired length. I made changes to wordpress 2.9.2 code.

Login into Directory where wordpress is installed
Open the file Directory > wp-includes > formatting,php
Search for 55 or $excerpt_length = apply_filters(‘excerpt_length’, 55);
Change the value 55 [...]