readline

Read in a line from stdin Returns Nothing if at end of input
Not on Stackage, so not searched. An interface to the GNU readline library
Deprecated: (Since version 1.38)
Line reader. The line reader history is not stored between sessions.
readline prompt: Read (multi-line) input from the user with rich editing abilities. Takes the prompt text as an argument. The full prompt is the combination of the given prompt and the prompt marker ("> " by default) . See also readlineEx, readlineMaybe, enableMultiline, and setPromptMarker.
readlineEx prompt mbCompleter mbHighlighter: as readline but uses the given mbCompleter function to complete words on tab (instead of the default completer). and the given mbHighlighter function to highlight the input (instead of the default highlighter). See also readline and readlineExMaybe.
As readlineEx but returns Nothing on end-of-file or other errors (ctrl-C/ctrl-D). See also readlineMaybe.
As readline but returns Nothing on end-of-file or other errors (ctrl-C/ctrl-D).
readlinePrim prompt mbCompleter mbHighlighter: as readline but uses the given mbCompleter function to complete words on tab (instead of the default completer). and the given mbHighlighter function to highlight the input (instead of the default highlighter). See also readlineEx and readlinePrimMaybe.
As readlinePrim but returns Nothing on end-of-file or other errors (ctrl-C/ctrl-D). See also readlineMaybe.
Not on Stackage, so not searched. Readline effect for in-other-words.
Not on Stackage, so not searched. Readline with variables (setX/getY) wrapped in state vars
Reads a line, including the terminating character(s), from a IOChannel into a newly-allocated string. strReturn will contain allocated memory if the return is IOStatusNormal.