FileAttr Function

αžαŸ’αžšαž‘αž”αŸ‹β€‹αžšαž”αŸ€αž”β€‹αžŠαŸ†αžŽαžΎαžšβ€‹αž€αžΆαžš αž¬β€‹αž›αŸαžβ€‹αžŠαŸ†αžŽαžΎαžšβ€‹αž€αžΆαžšβ€‹αž―αž€αžŸαžΆαžšβ€‹αž“αŸƒβ€‹αž―αž€αžŸαžΆαžšβ€‹αž˜αž½αž™β€‹ αžŠαŸ‚αž›β€‹αžαŸ’αžšαžΌαžœβ€‹αž”αžΆαž“β€‹αž”αžΎαž€β€‹αž‡αžΆαž˜αž½αž™β€‹αžŸαŸαž…αž€αŸ’αžαžΈβ€‹αžαŸ’αž›αŸ‚αž„β€‹αž€αžΆαžšαžŽαŸ OpenΒ αŸ” αž›αŸαžβ€‹αžŠαŸ†αžŽαžΎαžšβ€‹αž€αžΆαžšβ€‹αž―αž€αžŸαžΆαžšβ€‹αž‚αžΊβ€‹αž–αžΉαž„αž•αŸ’αž’αŸ‚αž€β€‹αž›αžΎβ€‹αž”αŸ’αžšαž–αŸαž“αŸ’αž’β€‹αž”αŸ’αžšαžαž·αž”αžαŸ’αžαž·β€‹αž€αžΆαžš (OSH = Operating System Handle)Β αŸ”

αžšαžΌαž”β€‹αžαŸ†αžŽαžΆαž„β€‹αž…αŸ†αžŽαžΆαŸ†

If you use a 32-Bit operating system, you cannot use the FileAttr function to determine the file access number.


αž˜αžΎαž›β€‹αž•αž„β€‹αžŠαŸ‚αžš αŸ– αž”αžΎαž€

Syntax:


  FileAttr (Channel As Integer, Attributes As Integer)

Return value:

αž…αŸ†αž“αž½αž“β€‹αž‚αžαŸ‹

Parameters:

Channel: The number of the file that was opened with the Open statement.

Attributes: Integer expression that indicates the type of file information that you want to return. The following values are possible:

1: FileAttr indicates the access mode of the file.

2: FileAttr returns the file access number of the operating system.

αž”αŸ’αžšαžŸαž·αž“β€‹αž”αžΎβ€‹αž’αŸ’αž“αž€β€‹αž”αž‰αŸ’αž‡αžΆαž€αŸ‹β€‹β€‹β€‹αž‚αž»αžŽβ€‹αž›αž€αŸ’αžαžŽαŸˆβ€‹αž”αŸ‰αžΆαžšαŸ‰αžΆαž˜αŸ‰αŸ‚αžαŸ’αžšβ€‹αž‡αžΆαž˜αž½αž™β€‹αžαž˜αŸ’αž›αŸƒ ៑ αžαž˜αŸ’αž›αŸƒβ€‹αžαŸ’αžšαž‘αž”αŸ‹β€‹αžαžΆαž„β€‹αž€αŸ’αžšαŸ„αž˜ αž“αžΉαž„β€‹αž’αž“αž»αžœαžαŸ’αž αŸ–

1 - INPUT (αž”αžΎαž€β€‹αž―αž€αžŸαžΆαžš αžŸαž˜αŸ’αžšαžΆαž”αŸ‹β€‹αž”αž‰αŸ’αž…αžΌαž›)

2 - OUTPUT (αž”αžΎαž€β€‹αž―αž€αžŸαžΆαžš αžŸαž˜αŸ’αžšαžΆαž”αŸ‹β€‹αž”αž„αŸ’αž αžΆαž‰)

4 - RANDOM (αž”αžΎαž€β€‹αž―αž€αžŸαžΆαžš αžŸαž˜αŸ’αžšαžΆαž”αŸ‹β€‹αž…αžΌαž›β€‹αžŠαŸ†αžŽαžΎαžšαž€αžΆαžšβ€‹αž…αŸƒαžŠαž“αŸ’αž™)

8 - APPEND (αž”αžΎαž€β€‹αž―αž€αžŸαžΆαžš αžŸαž˜αŸ’αžšαžΆαž”αŸ‹β€‹αž”αž“αŸ’αžαŸ‚αž˜β€‹αžαžΆαž„β€‹αž…αž»αž„)

32 - BINARY (αž”αžΎαž€β€‹αž―αž€αžŸαžΆαžšβ€‹αž€αŸ’αž“αž»αž„β€‹αžšαž”αŸ€αž”β€‹αž‚αŸ„αž›β€‹αž–αžΈαžš)Β αŸ”

Error codes:

5 αž€αžΆαžšβ€‹αž αŸ…β€‹αž”αŸ‚αž”αž”αž‘β€‹αž˜αž·αž“β€‹αžαŸ’αžšαžΉαž˜αžαŸ’αžšαžΌαžœ

52 αžˆαŸ’αž˜αŸ„αŸ‡ αž¬β€‹αž›αŸαžβ€‹αž―αž€αžŸαžΆαžšβ€‹αž˜αž·αž“β€‹αžαŸ’αžšαžΉαž˜αžαŸ’αžšαžΌαžœ

Example:


Sub ExampleFileAttr
    Dim iNumber As Integer
    Dim sLine As String
    Dim aFile As String
    aFile = "C:\Users\ThisUser\data.txt"
    iNumber = Freefile
    Open aFile For Output As #iNumber
    Print #iNumber, "This is a line of text"
    MsgBox FileAttr(#iNumber, 1), 0, "Access mode"
    MsgBox FileAttr(#iNumber, 2), 0, "File attribute"
    Close #iNumber
End Sub

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