Input()
 
Reads a number of characters from console or file

Syntax
Usage

result = Input[$]( n [, [#]filenum ] )

Parameters

n
Number of bytes to read.
filenum
File number of a bound file or device.

Return Value

Returns a String of the characters read.

Description

Reads a number of characters from the console, or a bound file/device specified by filenum.

The first version waits for and reads n characters from the keyboard buffer. Extended keys are not read. The characters are not echoed to the screen.

The second version waits for and reads n characters from a file or device. The file position is updated.

Example

Print "Select a color by number" 
Print "1. blue"
Print "2. red"
Print "3. green"
Dim choice As String
Do
   choice = Input(1)
Loop Until choice >= "1" And choice <= "3"


Dialect Differences

  • The string type suffix "$" is required in the -lang qb dialect.
  • The string type suffix "$" is optional in the -lang fblite dialect.
  • The string type suffix "$" is ignored in the -lang fb dialect, warn only with the -w suffix compile option (or -w pedantic compile option).

Differences from QB

See also