VBScript Reference Manual for InduSoft Web Studio

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VBScript Reference Manual InduSoft Web Studio Method: CopyFolder Description: Copies a folder to a new location Use: fso.CopyFolder (source, destination[, overwrite]) Arguments: fso Required. The name of a FileSystemObject object previously instantiated. source Required. A character string folder specification, which can include wildcard characters, for one or more folders to be copied. Wildcard characters can only be used in the last path component of the source argument. destination Required. Character string destination where the folder and subfolders from source are to be copied. Wildcard characters are not allowed in the destination string. overwrite Optional. Boolean value that indicates if existing folders are to be overwritten. If True, files are overwritten; if False, they are not. The default is True. Return: None Remarks: If source contains wildcard characters or destination ends with a path separator (\), it is assumed that destination is an existing folder in which to copy matching folders and subfolders. Otherwise, destination is assumed to be the name of a folder to create. In either case, four things can happen when an individual folder is copied. • If destination does not exist, the source folder and all its contents gets copied. This is the usual case. • If destination is an existing file, an error occurs. • If destination is a directory, an attempt is made to copy the folder and all its contents. If a file contained in source already exists in destination, an error occurs if overwrite is false. Otherwise, it will attempt to copy the file over the existing file. • If destination is a read-only directory, an error occurs if an attempt is made to copy an existing readonly file into that directory and overwrite is false. An error also occurs if a source using wildcard characters doesn't match any folders. The CopyFolder method stops on the first error it encounters. No attempt is made to roll back or undo any changes made before an error occurs Example: Const OverWrite = False Dim fso, srcPath, destPath Set fso = CreateObject("Scripting.FileSystemObject") srcPath = $getAppPath() & “*” destPath = fso.GetParentFolderName(srcPath) & “SaveApp” If fso.FolderExists (destPath) = False Then fso.CreateFolder (destPath) End If fso.CopyFolder srcPath, destPath, OverWrite Method: CreateFolder Description: Creates a new folder in the specified location Use: fso.CreateFolder(foldername) Arguments: fso Required. The name of a FileSystemObject object previously instantiated. foldername Required. A character string expression that identifies the folder to create. Return: None Remarks: An error occurs if the specified folder already exists. Example: Dim fso, destPath Set fso = CreateObject("Scripting.FileSystemObject") destPath = $getAppPath() & “AlarmHistory” If fso.FolderExists (destPath) = False Then fso.CreateFolder (destPath) End If 218 InduSoft, Ltd.
InduSoft Web Studio VBScript Reference Manual Method: CreateTextFile Description: Creates a specified file name and returns a TextStream object that can be used to read from or write to the file Use: Set objfile = fso.CreateTextFile(filename[, overwrite[, Unicode]]) Arguments: fso Required. The name of a FileSystemObject object previously instantiated filename Required. A string expression that identifies the file to create overwrite Optional. Boolean value that indicates whether you can overwrite an existing file. The value is True if the file can be overwritten, False if it can't be overwritten. If omitted, existing files are not overwritten (default False). unicode Optional. Boolean value that indicates whether the file is created as a Unicode or ASCII file. If the value is True, the file is created as a Unicode file. If the value is False, the file is created as an ASCII file. If omitted, an ASCII file is assumed. Remarks: None Example: Dim fso, myFile Set fso = CreateObject("Scripting.FileSystemObject") Set myFile = fso.CreateTextFile("c:\testfile.txt", True, False) myFile.WriteLine("This is a test.") myFile.Close Set Myfile = Nothing Set fso = Nothing Method: DeleteFile Description: Deletes a specified file Use: fso.DeleteFile (filename[, force]) Arguments: fso Required. The name of a FileSystemObject object previously instantiated filename Required. The name of the file to delete. The filename can contain wildcard characters in the last path component. force Optional. Boolean value that is True of files with the read-only attribute set are to be deleted; False if they are not. False is the default. Return: None Remarks: An error occurs if no matching files are found. The DeleteFile method stops on the first error it encounters. No attempt is made to roll back or undo any changes that were made before an error occurred. Example: Dim fso, myFile Set fso = CreateObject("Scripting.FileSystemObject") myFile = “C:\TempData\Log*.dat” fso.DeleteFile(myFile) Set fso = Nothing InduSoft, Ltd. 219
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VBScript Reference Manual for InduSoft Web Studio

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