Programming | Sending data

Sending data

Function

Write data to the communications device file for sending.

Syntax

Detailed Description

The PRINT# statement writes the specified data to the communications device file for transmission--a command to a printer, for example.

Adding a semicolon to the PRINT statement suppresses the automatic carriage return normally added to the output.

Output control

Output character

; (semicolon)

Suppress the automatic carriage return.

Program	Output
PRINT #1, "ABC";"123";	ABC123

Blank

Add CR-LF pair.

Program	Output
PRINT #1, "ABC123"	ABC123 [CR] [LF]

Set fileno to the value specified when opening the communications device file.

Examples

Send the sequence "123456789", CR, LF via the CU

  open "COM1:115200" as #1
  print #1, "1234567890"
  close #1

Send the sequence ESC (1Bh), "M", LF (0Ah), NUL (00h) via the connector

  const ESC = chr$(&h1B)       ' define control codes
  const LF  = chr$(&h0A)
  const NUL = chr$(&h00)

  open "COM2:115200" as #1
  print #1, ESC;"M";LF;NUL;
  close #1