I/O with mIRC scripting, Text File I/O

I don't really understand how the whole mIRC scripting input output thing works... If someone could show me a simple script of a script writing to a file, like a conversation logger, which I already know exists but for the sake of example, and a simple script reading info from a text file like a list of hello's or greetings when someone says hello to a bot or something. Is I/O even really possible?? Well, if someone could do that that'd be really awesome and nice and I'll give them a reward however the reward system works on this board.

well hmm, lesse, you could make a very simple convo logger by using something like

Which will make the file text.txt and write everything down, well except what you say, 'cause remotes won't work that way :\ which can suck at times.. bleh..

an' for the whole hello thingy lol this should work

of course in order for it to work correctly you'll need the file greetings.txt or whatever txt file you want it to read from. and each of the diffrent greetings has to be on a diffrent line like..