Innehåll

# Lof-funktion

Returnerar storleken på en öppen fil i byte.

### Syntax:

    Lof (FileNumber) As Long

### Return type:

Long

### Parametrar:

FileNumber: Any numeric expression that contains the file number that is specified in the Open statement.

To obtain the length of a file that is not open, use the FileLen function.

### Felkoder:

5 Felaktigt proceduranrop

52 Ogiltigt filnamn eller filnummer

### Exempel:

      Sub ExampleRandomAccess
          Dim iNumber As Integer
          Dim sText As Variant ' Måste vara av typen variant
          Dim aFile As String
          aFile = "C:\Users\ThisUser\data.txt"
          iNumber = Freefile
          Open aFile For Random As #iNumber Len=32
          Seek #iNumber,1 ' Placera i början
          Put #iNumber, , "This is the first line of text" ' Fill line with text
          Put #iNumber, , "This is the second line of text"
          Put #iNumber, , "This is the third line of text"
          Seek #iNumber,2
          Get #iNumber, , sText
          Print sText
          Close #iNumber
          iNumber = Freefile
          Open aFile For Random As #iNumber Len=32
          Get #iNumber, 2, sText
          Put #iNumber, , "This is a new text"
          Get #iNumber, 1, sText
          Get #iNumber, 2, sText
          Put #iNumber, 20, "This is the text in record 20"
          Print Lof(#iNumber)
          Close #iNumber
      End Sub

      Sub ExampleRandomAccess
          Dim iNumber As Integer
          Dim sText As Variant ' Must be a variant
          Dim aFile As String
          aFile = "~/data.txt"
          iNumber = Freefile
          Open aFile For Random As #iNumber Len=32
          Seek #iNumber,1 ' Position at beginning
          Put #iNumber, , "This is the first line of text" ' Fill line with text
          Put #iNumber, , "This is the second line of text"
          Put #iNumber, , "This is the third line of text"
          Seek #iNumber,2
          Get #iNumber, , sText
          Print sText
          Close #iNumber
          iNumber = Freefile
          Open aFile For Random As #iNumber Len=32
          Get #iNumber, 2, sText
          Put #iNumber, , "This is a new text"
          Get #iNumber, 1, sText
          Get #iNumber, 2, sText
          Put #iNumber, 20, "This is the text in record 20"
          Print Lof(#iNumber)
          Close #iNumber
      End Sub

Närliggande ämnen

Close Statement

Print# Statement

Open Statement

Get Statement

Stötta oss!