ASPでよく使われる22のFSOファイル操作関数が整理されています。

Function GetFileSize(FileName)
'// Function: Get the size of the file
'//formal parameter: file name
'//return value: file size for success, -1 for failure
'//
Dim f
If ReportFileStatus(FileName) = 1 Then
Set f = fso.Getfile(FileName)
GetFileSize = f.Size
Else
GetFileSize = -1
End if
End Function 

Function deleteAFile(filespec)
'// Function: File delete
'//formal parameter: file name
'//return value: 1 for success, -1 for failure
'//
If ReportFileStatus(filespec) = 1 Then
fso.deleteFile(filespec)
deleteAFile = 1
Else
deleteAFile = -1
End if
End Function 

Function ShowFileList(folderspec)
'// Function: Show all files in this directory if it exists
'//formal parameter: directory name
'//return value: file list for success, -1 for failure
'//
Dim f, f1, fc, s
If ReportFolderStatus(folderspec) = 1 Then
Set f = fso.GetFolder(folderspec)
Set fc = f.Files
For Each f1 in fc
s = s & f1.name
s = s & "|"
Next
ShowFileList = s
Else
ShowFileList = -1
End if
End Function 

Function CopyAFile(SourceFile,DestinationFile)
'// Function: Copy the file only when the source file exists, the destination file is not affected.
'//formal parameters: source file, destination file
'//return value: success is 1, failure is -1
'//
Dim MyFile
If ReportFileStatus(SourceFile) = 1 Then
Set MyFile = fso.GetFile(SourceFile)
MyFile.Copy (DestinationFile)
CopyAFile = 1
Else
CopyAFile = -1
End if
End Function 

'Response.Write MoveAFile("f:\123\4561.exe","f:\123\4562.txt")
Function MoveAFile(SourceFile,DestinationFile)
'//formal parameter: source file, destination file
'//return value: success is 1, failure is -1
'//
If ReportFileStatus(SourceFile)=1 And
ReportFileStatus(DestinationFileORPath) =-1 Then
fso.MoveFile SourceFile,DestinationFileORPath
MoveAFile = 1
Else
MoveAFile = -1
End if
End Function 

Function ReportFileStatus(FileName)
'// Function: Determine if the file exists.
'//formal parameter: file name
'//return value: 1 for success, -1 for failure
'//
Dim msg
msg = -1
If (fso.FileExists(FileName)) Then
msg = 1
Else
msg = -1
End If
ReportFileStatus = msg
End Function

Function ShowDatecreated(filespec)
'// Function: Date the file was created
'//formal parameter: file name
'//return value: success: file creation date, failure: -1
'//
Dim f
If ReportFileStatus(filespec) = 1 Then
Set f = fso.GetFile(filespec)
ShowDatecreated = f.Datecreated
Else
ShowDatecreated = -1
End if
End Function

Function GetAttributes(FileName)
'// Function: Show file attributes
'//formal parameter: file name
'//return value: success: file attributes, failure: -1
'//
Dim f,Str
If ReportFileStatus(FileName) = 1 Then
Set f = fso.GetFile(FileName)
select Case f.attributes
Case 0 Str="Normal file. No attributes are set. "
Case 1 Str="Read-only file. Can be read or written. "
Case 2 Str="Hidden file. Read/write. "
Case 4 Str="System file. Read/write. "
Case 16 Str="Folder or directory. Read only. "
Case 32 Str="Files that have changed since the last backup. Read/write. "
Case 1024 Str="Links or shortcuts. Read only. "
Case 2048 Str=" Compressed file. Read only. "
End select
GetAttributes = Str
Else
GetAttributes = -1
End if
End Function

'Response.Write ShowFileAccessInfo("file path")
Function ShowFileAccessInfo(FileName,InfoType)
'//Function: show information when the file is created
'// formal parameters: file name, info type
'// 1 ----- creation time
'// 2 ----- last access time
'// 3 ----- last modified time
'// 4 ----- file path
'// 5 ----- file name
'// 6 ----- file type
'// 7 ----- file size
'// 8 ----- parent directory
'// 9 ----- root directory
'// Return value: success is the information when the file is created, failure: -1
'//
Dim f, s
If ReportFileStatus(FileName) = 1 then
Set f = fso.GetFile(FileName)
select Case InfoType
Case 1 s = f.Datecreated '// 1 ----- creation time
Case 2 s = f.DateLastAccessed '// 2 ----- last access time
Case 3 s = f.DateLastModified '// 3 ----- last modified time
Case 4 s = f.Path '// 4 ----- file path
Case 5 s = f.Name '// 5 ----- file name
Case 6 s = f.Type '// 6 ----- file type
Case 7 s = f.Size '// 7----- file size
Case 8 s = f.ParentFolder '// 8 ----- parent directory
Case 9 s = f.RootFolder '// 8 ----- root directory
End select
ShowFileAccessInfo = s
ELse
ShowFileAccessInfo = -1
End if
End Function 

Function WriteTxtFile(FileName,TextStr,WriteORAppendType)
Const ForReading = 1, ForWriting = 2 , ForAppending = 8
Dim f, m
select Case WriteORAppendType
Case 1: 'File to be written
Set f = fso.OpenTextFile(FileName, ForWriting, True)
f.Write TextStr
f.Close
If ReportFileStatus(FileName) = 1 then
WriteTxtFile = 1
Else
WriteTxtFile = -1
End if
Case 2: 'Write operation at the end of the file
If ReportFileStatus(FileName) = 1 then
Set f = fso.OpenTextFile(FileName, ForAppending)
f.Write TextStr
f.Close
WriteTxtFile = 1
Else
WriteTxtFile = -1
End if
End select
End Function 

Function ReadTxtFile(FileName)
Const ForReading = 1, ForWriting = 2
Dim f, m
If ReportFileStatus(FileName) = 1 then
Set f = fso.OpenTextFile(FileName, ForReading)
m = f.ReadLine
'm = f.ReadAll
'f.SkipLine
ReadTxtFile = m
f.Close
Else
ReadTxtFile = -1
End if
End Function 

Function GetFolderSize(FolderName)
'// Function: Get the size of the directory
'//formal parameter: directory name
'//return value: directory size for success, -1 for failure
'//
Dim f
If ReportFolderStatus(FolderName) = 1 Then
Set f = fso.GetFolder(FolderName)
GetFolderSize = f.Size
Else
GetFolderSize = -1
End if
End Function 

Function createFolderDemo(FolderName)
'// Function: Folder to be created
'//formal parameter: directory name
'//return value: 1 for success, -1 for failure
'//
Dim f
If ReportFolderStatus(Folderspec) = 1 Then
createFolderDemo = -1
Else
Set f = fso.createFolder(FolderName)
createFolderDemo = 1
End if
End Function 

Function deleteAFolder(Folderspec)
'//Function: directory delete
'//formal parameter: directory name
'//return value: 1 for success, -1 for failure
'//
Response.write Folderspec
If ReportFolderStatus(Folderspec) = 1 Then
fso.deleteFolder (Folderspec)
deleteAFolder = 1
Else
deleteAFolder = -1
End if
End Function 

Function ShowFolderList(folderspec)
'// Function: Show all subdirectories under this directory if it exists
'//formal parameter: directory name
'//return value: success is the list of subdirectories, failure is -1
'//
Dim f, f1, fc, s
If ReportFolderStatus(folderspec) = 1 Then
Set f = fso.GetFolder(folderspec)
Set fc = f.SubFolders
For Each f1 in fc
s = s & f1.name
s = s & "|"
Next
ShowFolderList = s
Else
ShowFolderList = -1
End if
End Function 

Function CopyAFolder(SourceFolder,DestinationFolder)
'// Function: Copy the directory only when the source directory exists, the destination directory is not affected.
'//Reference: source directory, destination directory
'//return value: success is 1, failure is -1
'//
Dim MyFolder
If ReportFolderStatus(SourceFolder) = 1 and ReportFolderStatus(DestinationFolder) = -1 Then
Set MyFolder = fso.GetFolder(SourceFolder)
CopyFolder SourceFolder,DestinationFolder
CopyAFolder = 1
Else
CopyAFolder = -1
End if
End Function 

Function MoveAFolder(SourcePath,DestinationPath)
'// Function: Move a directory only when the source directory exists and the destination directory does not exist.
'//formal reference: source directory, destination directory
'//return value: success is 1, failure is -1
'//
If ReportFolderStatus(SourcePath)=1 And ReportFolderStatus(DestinationPath)=0 Then
fso.MoveFolder SourcePath, DestinationPath
MoveAFolder = 1
Else
MoveAFolder = -1
End if
End Function 

'Response.Write ReportFolderStatus("G:\soft\delphi\my_pro\")
Function ReportFolderStatus(fldr)
'//Function: determine whether the directory exists or not
'//formal parameter: directory
'//return value: success is 1, failure is -1
'//
Dim msg
msg = -1
If (fso.FolderExists(fldr)) Then
msg = 1
Else
msg = -1
End If
ReportFolderStatus = msg
End Function

Function ShowFolderAccessInfo(FolderName,InfoType)
'//Function: Show information when the directory is created
'// Formal parameters: directory name, info type
'// 1 ----- creation time
'// 2 ----- last access time
'// 3 ----- Last modified time
'// 4 ----- directory path
'// 5 ----- directory name
'// 6 ----- directory type
'// 7 ----- directory size
'// 8 ----- parent directory
'// 9 ----- root directory
'// Return value: success is the information when the directory is created, failure: -1
'//
Dim f, s
If ReportFolderStatus(FolderName) = 1 then
Set f = fso.GetFolder(FolderName)
select Case InfoType
Case 1 s = f.Datecreated '// 1 ----- creation time
Case 2 s = f.DateLastAccessed '// 2 ----- last accessed
Time
Case 3 s = f.DateLastModified '// 3 ----- last modified time
Case 4 s = f.Path '// 4 ----- file path
Case 5 s = f.Name '// 5 ----- file name
Case 6 s = f.Type '// 6----- file type
Case 7 s = f.Size '// 7----- file size
Case 8 s = f.ParentFolder '// 8 ----- parent directory
Case 9 s = f.RootFolder '// 9 ----- root directory
End select
ShowFolderAccessInfo = s
ELse
ShowFolderAccessInfo = -1
End if
End Function 

Function DisplayLevelDepth(pathspec)
Dim f, n ,Path
Set f = fso.GetFolder(pathspec)
If f.IsRootFolder Then
DisplayLevelDepth = "The specified folder is the root folder. "&RootFolder
Else
Do Until f.IsRootFolder
Path = Path & f.Name &"
"
Set f = f.ParentFolder
n = n + 1
Loop
DisplayLevelDepth = "The specified folder is a folder with a nesting level of " & n & ".
"&Path
End If
End Function 

'Response.Write ReportDriveStatus("C:\")
Function ReportDriveStatus(drv)
'// Function: Determine if the disk exists
'//formal parameter: disk
'//return value: 1 for success, -1 for failure
'//
Dim msg
msg = -1
If fso.DriveExists(drv) Then
msg = 1
Else
msg = -1
End If
ReportDriveStatus = msg
End Function

'Response.Write ShowFileSystemType("C:\")
Function ShowFileSystemType(drvspec)
'//Function: disk type
'//formal parameter: disk name
'//return value: success for type: FAT, NTFS and CDFS, failure: -1
'//
Dim d
If ReportDriveStatus(drvspec) = 1 Then
Set d = fso.GetDrive(drvspec)
ShowFileSystemType = d.FileSystem
ELse
ShowFileSystemType = -1
End if
End Function