How to let ack support more filetypes?

Question

in ack\'s home page, there lists a lot of file type, but without aspx, is it possible to let ack support it?

Answer 1

--type-add TYPE=.EXTENSION[,.EXT2[,...]]
                    Files with the given EXTENSION(s) are recognized as
                    being of (the existing) type TYPE

from http://betterthangrep.com/

You can add this to .ackrc in your homedirectory.