System.IO

The IO monad

data IO a

Files and handles

Standard handles

Opening and closing files

Opening files

Closing files

Special cases

File locking

Operations on handles

Determining and changing the size of a file

Detecting the end of input

Buffering operations

data BufferMode

Repositioning handles

data HandlePosn

Handle properties

Terminal operations

hIsTerminalDevice

Showing handle state

Text input and output

Text input

Text output

Special cases for standard input and output