append to a text file

[Buddy Brannan]

Try this:
cat file-to-append-to >> file-to-append
Note the two greater-thans. Better use both, else it'll overwrite the contents of the file rather than appending to it.
-- 
Buddy Brannan, KB5ELV/3    | But I will lay my burden 
Email: davros at ycardz.com   | in the cradle of your grace,
ICQ: 36621210              | And the shining beaches of your love,
http://www.ycardz.com      | and the sea of your embrace.--Dave Carter