LibreOffice 7.1 Help
Đọc một bản ghi từ một tập tin tương đối, hoặc đọc một dãy byte từ một tập tin nhị phân, vào một biến.
Xem thêm: Câu lệnh PUT
Get [#]fileNum, [recordNum|filePos], variable
fileNum: Any integer expression that determines the file number.
recordNum: For files opened in Random mode, recordNum is the number of the record that you want to read.
For files opened in Binary mode, filePos is the byte position in the file where the reading starts.
If recordNum and filePos are omitted, the current position or the current data record of the file is used.
variable: Name of the variable to be read. With the exception of object variables, you can use any variable type.
Sub ExampleRandomAccess
Dim iNumber As Integer
Dim vanBan As Variant REM Phải là Variant
Dim aFile As String
aFile = "c:\data.txt"
iNumber = Freefile
Open aFile For Random As #iNumber Len=32
Seek #soNguyen,1 REM Vị trí bắt đầu
Put #iNumber,, "This is the first line of text" REM Fill line with text
Put #soNguyen,, "Day la dong thu hai"
Put #soNguyen,, "Day la dong thu ba"
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 #soNguyen,,"Day la mot doan van moi"
Get #iNumber,1,sText
Get #iNumber,2,sText
Put #soNguyen,20,"Day la van ban trong ban ghi 20"
Print Lof(#iNumber)
Close #iNumber
End Sub