Qt Djvu, Short Template to Extract Target Line in Current Directory

It's a boilerplate for reading and parsing files.

Just throw in your "process" interface that can do

all the heavy duty work.

The code can:
1. read all files in the current directory
2. extract all lines which contain http://


http://code.google.com/p/mixtools/source/browse/trunk/qt/extract_url_in_files.cpp