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CVSMBF Function Programming Example
 
The following program reads records from a random-access file containing
Microsoft Binary format real numbers stored as strings. Each record
contains a student's name and a test score.
 
'
' Define a user type for the data records.
'
TYPE StudentRec
   NameField AS STRING * 20
   Score AS STRING * 4
END TYPE
' Define a variable of the user type.
DIM Rec AS StudentRec
'********************************************************************
' This part of the program is an insert whose only function is to
' create a random-access file to be used by the second part of the
' program, which demonstrates the CVSMBF function
'********************************************************************
OPEN "TESTDAT1.DAT" FOR RANDOM AS #1 LEN = LEN(Rec)
CLS
RESTORE
READ NameField$, Score$
I = 0
DO WHILE UCASE$(NameField$) <> "END"
   I = I + 1
   Rec.NameField = NameField$
   Rec.Score = Score$
   PUT #1, I, Rec
   READ NameField$, Score$
   IF NameField$ = "END" THEN EXIT DO
LOOP
CLOSE #1
'
  DATA "John Simmons","100"
  DATA "Allie Simpson","95"
  DATA "Tom Tucker","72"
  DATA "Walt Wagner","90"
  DATA "Mel Zucker","92"
  DATA "END","0"
'********************************************************************
' This part of the program demonstrates the CVSMBF function
'********************************************************************
' Open the file for input.
OPEN "TESTDAT1.DAT" FOR RANDOM AS #1 LEN=LEN(Rec)
Max = LOF(1) / LEN(Rec)
' Read and print all of the records.
FOR I = 1 TO Max
   ' Read a record into the user-type variable Rec.
   GET #1, I, Rec
   ' Convert the score from a string containing a Microsoft
   ' Binary format number to an IEEE-format number.
   ScoreOut = CVSMBF(Rec.Score)
   ' Display the name and score.
   PRINT Rec.NameField, ScoreOut
NEXT I
CLOSE #1
KILL "TESTDAT1.DAT"
END