bas7ex.hlp (Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
LPRINT USING Statement Programming Example
                       Example                 Contents  Index  Back
──────────────────────────────────────────────────────────────────────────────
'This example uses the LPRINT USING statement to print a receipt
'on the printer.
 
'Note: To run this program, you must have a printer connected to LPT1.
 
CLS             'Clear screen.
Total = 0
LPRINT "Your receipt:"
LPRINT
DO
    INPUT "Enter quantity (0 to end): ", Quantity
    IF Quantity = 0 THEN EXIT DO
    INPUT "Item name: ", Item$
    INPUT "Amount: ", Amount
    PRINT
 
    'Calculate subtotal.
    Amount = Amount * Quantity
    Total = Total + Amount
 
    'Print line of receipt.
    LPRINT USING "###  "; Quantity;
    LPRINT USING "\                        \"; Item$;
    LPRINT USING "$$######,.##"; Amount
LOOP
 
'Finish receipt.
LPRINT
LPRINT TAB(12); "Total amount paid: ";
LPRINT USING "$$#######,.##"; Total
 
 
'Sample Output
'
'Enter quantity (0 to end): 1
'Item name: Used car
'Amount: 3999
'
'Enter quantity (0 to end): 10
'Item name: Gallons gas
'Amount: .98
'
'Enter quantity (0 to end): 0
 
 
'Output on line printer
'
'Your receipt:
'
'  1  Used car                     $3,999.00
' 10  Gallons gas                      $9.80
'
'            Total amount paid:    $4,008.80