Wolfram Language & System 10.4 (2016)|Legacy Documentation
This is documentation for an earlier version of the Wolfram Language.View current documentation (Version 11.2)
interactively reads in one Wolfram Language expression.
requests input, displaying prompt as a "prompt".
in a notebook front end uses init as the initial contents of the input field.
- Input returns the expression it reads.
- The operation of Input may vary from one computer system to another. When a Wolfram System front end is used, Input typically works through a dialog box.
- When no front end is used, Input reads from standard input.
- If the standard input is a file, then Input returns EndOfFile if you try to read past the end of the file.
- On systems with textual input, Input uses as a prompt.
- When Input is evaluated, the Wolfram System stops until the input has been read.
- With a notebook front end, Input by default puts up a dialog window with a standard appearance.
- The prompt given can be text, graphics or any expression.
- Input takes notebook options. The default settings include WindowFloating->False, WindowSize->All and WindowTitle->None.
- Input by default puts up a dialog in the middle of the main display screen. Explicit settings for WindowMargins override this.
- The options for InputField can be given directly as options to Input to control the properties of its input field.
- Input[prompt] is equivalent to Input[prompt,""].
Introduced in 1988
(1.0)| Updated in 2014