Question

I have a file with multiple list of (String,String,Int):

[("aaa","aaaaaaaa",13),("asdasdasd","asdea",13)]

and I need to store it in a variable, I have this:

xfx = do {     
text <- readFile "textlist";   
let   
x=3 -- nothing   
in function text   
}        

But function receives Char instead of that data type.

Answer 1

If the file contains only one list, then you can just call read on the result of readFile:

parseFile :: IO [(String,String,Int)]
parseFile = do s <- readFile "textlist"
               return (read s)