Eof funktsioon
MÀÀrab, kas faili kursor on jÔudnud faili lÔppu.
Eof (intexpression As Integer)
Bool
Intexpression: suvaline tÀisarvavaldis, mille abil saad leida avatud faili numbri.
Vigade vÀltimiseks pÀrast faili lÔppu sisestamise korral kasuta EOF-i. Kui kasutad failist lugemiseks lauset Input vÔi Get, nihutatakse faili kursorit loetud baitide arvu vÔrra. Faili lÔppu jÔudmisel tagastab EOF vÀÀrtuse TÔene (-1).
5 Vigane protseduuri vÀljakutse
52 Vigane failinimi vÔi failide arv
Sub ExampleWorkWithAFile
Dim iNumber As Integer
Dim sLine As String
Dim aFile As String
Dim sMsg As String
aFile = "C:\Users\ThisUser\data.txt"
iNumber = Freefile
Open aFile For Output As #iNumber
Print #iNumber, "See on rida teksti"
Print #iNumber, "See on veel ĂŒks rida teksti"
Close #iNumber
iNumber = Freefile
Open aFile For Input As iNumber
While Not eof(iNumber)
Line Input #iNumber, sLine
If sLine <>"" Then
sMsg = sMsg & sLine & chr(13)
End If
Wend
Close #iNumber
MsgBox sMsg
End Sub
Sub ExampleWorkWithAFile
Dim iNumber As Integer
Dim sLine As String
Dim aFile As String
Dim sMsg As String
aFile = "~/data.txt"
iNumber = Freefile
Open aFile For Output As #iNumber
Print #iNumber, "This is a line of text"
Print #iNumber, "This is another line of text"
Close #iNumber
iNumber = Freefile
Open aFile For Input As iNumber
While Not eof(iNumber)
Line Input #iNumber, sLine
If sLine <>"" Then
sMsg = sMsg & sLine & chr(13)
End If
Wend
Close #iNumber
MsgBox sMsg
End Sub