extracting data from files

[ruth latha]

I need to know how to extract text from files of following types:
.txt
.doc
.csv
I would also like to know how to import text from files of type .txt,.csv,.doc.
Is there any tool for doing the above task.I would appreciate any help.

[ruth latha]

What programming language are you using to extract text from the files?

-Frinny

Thanks for your reply.
I would like to inform you that Iam using C++ for the extraction of text from files.
Waiting for your reply