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The GET statement reads a block of data directly from a device. It takes the general form:

GET Var {,length} {SETTING Count} FROM Device {UNTIL TermChars} {RETURNING TermChar} {WAITING Timeout} THEN | ELSE statements


  • Var is the variable in which to place the input (from the previously open device).
  • If length is specified, it limits the number of characters read from the input device.
  • If the optional Count option is used, it returns the number of characters actually read from the device.
  • Device is the file variable associated with the result from a successful OPENSEQ or OPENSER command.
  • TermChars specifies one or more characters that will terminate input.
  • TermChar is the character that terminated input
  • Timeout is the number of seconds to wait for input. If no input is present when the timeout period expires, the ELSE clause (if specified) is executed.


The GET statement does no pre-or post-processing of the input data stream - nor does it handle any terminal echo characteristics. If this is desired, the application - or device drive - will handle it.

If there are no specified length and timeout expressions, the default input length is one (1) character. If no length is specified, but TermChars are, there is no limit to the number of characters input.

The GET syntax requires a specified THEN or ELSE clause, or both. The THEN clause executes when the data received is error free; the ELSE clause executes when the data is unreceiveable (or a timeout occurs).

See also: GETX 

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