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Help / WLanguage / WLanguage functions / Standard functions / Archive functions
  • Use conditions
  • Error codes
  • Index of files in the archive
  • Stored path
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Stored procedures
Deletes a list of files from an archive. This function is faster than zipDeleteFile run for each file.
Example
WINDEVWEBDEV - Server codeReports and QueriesUser code (UMC)Ajax
MyArchive is zipArchive
// Create the archive
ResOpen = zipOpen(MyArchive, "C:\Temp\Archive.zip")
 
IF ResOpen = 0 THEN
...
// Delete "File.doc" and "MyDoc.pdf"
ResDelete = zipDeleteFileList(MyArchive, "File.doc" + CR + "MyDoc.PDF")
...
END
Syntax
<Result> = zipDeleteFileList(<Archive> , <Path of the files to delete> [, <Progress bar management>])
<Result>: Integer
  • 0 if the files have been deleted,
  • An error code (value greater than 0) otherwise. The message corresponding to the error code is returned by zipMsgError.
<Archive>: Character string or zipArchive variable
Name of the archive to be used.
This name can correspond to:
<Path of the files to delete>: Character string
Stored path of the file that must be deleted from the archive. The paths are separated by CR characters (Carriage Return).
<Progress bar management>: Optional character string
Progress bar management mode. This parameter can correspond to:
  • WINDEVUniversal Windows 10 AppiPhone/iPadMac Catalyst the name of a Progress Bar control found in a window. The progress bar will display the progress of file deletion.
  • the name of a WLanguage procedure. This procedure has the following format:
    <Procedure name> (<Current file>, <Progress percentage>)

    where:
    • <Current file> corresponds to the name of the file currently processed.
    • <Progress percentage> corresponds to the progress percentage of the file list being deleted from the archive.
If you are using an archive in TAR or TGZ (TAR.GZ) format, the progress bar is updated at the end of file addition only.
WEBDEV - Server code The procedure must be a server procedure.
Remarks

Use conditions

The files can be deleted from an archive if:
  • The archive exists (archives are created using zipCreate).
  • The archive is accessible in read/write.
  • The archive is a single-part archive.
Caution:
  • Archives in RAR format: This function is not available.
  • Archives in CAB format: This function is not available.
  • Archives in TAR and TGZ (TAR.GZ) format: This function is not available.
  • Archives in 7z format: The archive is entirely compressed whenever zipDeleteFileList is called.
LinuxUniversal Windows 10 AppAndroidAndroid Widget iPhone/iPadIOS WidgetMac CatalystJava Only ZIP archives are available.

Error codes

The following error codes are returned:
  • 2: Access denied: the user has no sufficient rights.
  • 3: The archive is corrupted.
  • 4: The path does not exist in the archive.
  • 5: Unable to write into the archive.

Index of files in the archive

Once the files have been deleted, the indices of the remaining files are modified. The indices of the files after the deleted file are automatically decremented by 1.

Stored path

The table below presents the paths stored in the archive according to:
  • the access path to the file,
  • the path section to store.
The current directory is: "C:\Temp".
zipAddFileFile locationzipNonezipDirectoryzipDrive
zipAddFile("Archi",
"File.txt")
C:\Temp\File.txtFile.txtFile.txtFile.txt
zipAddFile("Archi",
"Data\File.txt")
C:\Temp\Data\File.txtFile.txtData\File.txtData\File.txt
zipAddFile("Archi",
"D:\Data\File.txt")
D:\Data\File.txtFile.txtData\File.txtD:\Data\File.txt

Remark: If the zipDrive constant is used, the WDZ format stores the full path of the file (including the drive letter) while the ZIP format does not store the drive letter.
AndroidAndroid Widget Java The zipDrive constant is equivalent to the zipDirectory constant.
Universal Windows 10 App The directory and the disk are not stored in the archive path. Only the file name and extension are stored.
Business / UI classification: Business Logic
Component: wd290zip.dll
Minimum version required
  • Version 9
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Last update: 06/12/2023

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