Help / WLanguage / WLanguage functions / Standard functions / Archive functions
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Stored procedures
Archiving functions (management of ZIP, WDZ, CAB, RAR, 7z, TAR and TGZ (TAR.GZ)) (prefix syntax)
The following WLanguage functions are used to create and manage archives, using prefix syntax:
<zipArchive variable>.AddDirectoryAdds all the files found in a directory and in its subdirectories into an archive and compresses them.
<zipArchive variable>.AddFileAdds a file (of any type) into an archive in CAB, ZIP, WDZ and 7z, TAR or TGZ (TAR.GZ) format and compresses it.
<zipArchive variable>.AddFileListAdds a list of files (of any type) into an archive in ZIP, CAB, WDZ or 7z format and compresses it.
<zipArchive variable>.ChangePathModifies the stored path of a file in an archive (in ZIP, WDZ or 7z format).
<zipArchive variable>.CloseCloses an archive.
<zipArchive variable>.CreateCreates an archive.
<zipArchive variable>.CreateExeCreates a self-extracting archive as a 32-bit executable (.EXE).
<zipArchive variable>.CurrentFileReturns the name of the archived file currently handled by the functions for adding and extracting files.
<zipArchive variable>.DeleteAllDeletes all files from an archive.
<zipArchive variable>.DeleteFileDeletes a file from an archive.
<zipArchive variable>.DeleteFileListDeletes a list of files from an archive.
<zipArchive variable>.ExistDetermines whether an archive exists.
<zipArchive variable>.ExtractAllExtracts all files from an archive and decompresses them.
<zipArchive variable>.ExtractDirectoryAutomatically extracts and decompresses files from a directory in the file tree of an archive to a physical location.
<zipArchive variable>.ExtractFileExtracts a file from an archive and automatically decompresses it to a physical location or in memory.
<zipArchive variable>.ExtractFileListExtracts and decompresses a list of files found in an archive to a physical location.
<zipArchive variable>.ExtractPathReturns the path of a file found in the archive.
<zipArchive variable>.FileSizeReturns the size of one of the files found in the archive (in CAB, RAR, WDZ, ZIP, 7z, TAR or TGZ (TAR.GZ) format):
  • the compressed size of the file.
  • the size of file before compression.
<zipArchive variable>.FindFileFinds a file in an archive (in CAB, ZIP, RAR, WDZ or 7z format).
<zipArchive variable>.InfoFileReturns the characteristics of a file found an archive:
  • The name of the file and its stored path.
  • The initial size of the file.
  • The compressed size of file.
  • The date and time of file creation.
  • The date and time of file modification.
  • The date and time of file access.
  • The file attributes.
  • The file encryption mode.
<zipArchive variable>.IsMultiReturns the type of archive: single-part archive or multi-part archive.
<zipArchive variable>.ListFileReturns the list of files found in an archive.
<zipArchive variable>.MergeMerges the different sub-archives found in a multi-part archive to create a single-part archive.
<zipArchive variable>.NbPartNeededReturns the number of parts of a given size required to split a single-part archive.
<zipArchive variable>.OpenOpens an existing archive.
<zipArchive variable>.OpenCABOpens an existing archive in CAB format.
<zipArchive variable>.OpenRAROpens an existing archive in RAR format.
<zipArchive variable>.SplitSplits an archive into several sub-archives of a given size.
<zipArchive>.SelectFileSelects files from an archive.
Remark: The archiving functions can be used in a thread without locking the other threads during their execution.
Related Examples:
The Zip functions Unit examples (WEBDEV): The Zip functions
[ + ] This example explains how to use the ZIP functions to create compressed archives.
These archives can have one of the following formats:
- or 7z
WD Zip Complete examples (WINDEV): WD Zip
[ + ] This example presents the use of archiving WLanguage functions with compression.
The following topics are presented in this example:
1/ How to create an archive?
2/ How to compress and uncompress files?
3/ How to manage Drag&Drop from the file explorer of Windows to a TreeView control?
Summary of the example supplied with WINDEV:
This example allows you to create and read compressed archives in WDZ, ZIP, CAB and RAR format (in read-only). This feature can be very useful to manage the automatic backups. Furthermore, the example allows you to create multi-volume archives.
Android ZIP Android (WINDEV Mobile): Android ZIP
[ + ] This example is used to browse the folder of the Android device while searching for ZIP archives.
The archives can be browsed and extracted into a directory of the device.
The folders and the files found in the archive can be extracted individually.
Minimum version required
  • Version 24
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Last update: 06/26/2023

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