zipIsMulti (Function)

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Use conditions
Actions that can be performed on a multi-part archive
Actions that can be performed on a single-part active

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zipIsMulti (Function)

In french: zipEstMulti

Returns the type of archive: single-part archive or multi-part archive.

Versions 17 and later

This function is now available for iPhone/iPad applications.

New in version 17

This function is now available for iPhone/iPad applications.

Versions 18 and later

This function now supports the 7z format.

New in version 18

This function now supports the 7z format.

Example

See additional examples

// Open the archive "MyArchive"
ResOpenArchive = zipOpen("MyArchive", "D:\Backups\Backup.zip")
// For Windows Mobile:
// ResOpenArchive = zipOpen("MyArchive", "\Backups\Backup.zip")

IF ResOpenArchive = 0 THEN
...
END
// Single-part or multi-part archive?
ResIsMulti = zipIsMulti("MyArchive")
// Display the result
IF ResIsMulti = True THEN
Info("The archive is a multi-part archive")
ELSE
Info("The archive is a single-part archive")
END

MyArchive is zipArchive

// Open the archive "MyArchive"
ResOpenArchive = zipOpen(MyArchive, "D:\Backups\Backup.zip")
// for Windows Mobile:
// ResOpenArchive = zipOpen("MyArchive", "\Backups\Backup.zip")

IF ResOpenArchive = 0 THEN
...
END
// Single-part or multi-part archive?
ResIsMulti = zipIsMulti(MyArchive)
// Display the result
IF ResIsMulti = True THEN
Info("The archive is a multi-part archive")
ELSE
Info("The archive is a single-part archive")
END

Syntax

<Result> = zipIsMulti(<Archive>)

<Result>: Boolean

True if the archive is a multi-part archive,
False if the archive is a single-part archive.

<Archive>: Character string (with quotes) or zipArchive variable

Name of archive to use.
This name can correspond to:
the name of an archive, defined by zipOpen or zipCreate.
Versions 15 and later
the name of a zipArchive variable.
New in version 15
the name of a zipArchive variable.
the name of a zipArchive variable.

Remarks

Use conditions

The archive type can be found only if the archive exists (an archive is created by zipCreate).
This function is available for the archives in WDZ, ZIP and 7z format.

Reminder:

Only the archives in ZIP, TAR and TGZ (TAR.GZ) format are available.
Only the archives in ZIP format are available.

Actions that can be performed on a multi-part archive

Some archiving functions can only be used on the single-part archives (add and delete files, create a self-extracting executable, etc.). To perform these operations, simply group the sub-archives (zipMerge) to obtain a single-part archive.

From a multi-part archive, you only have the ability to:

Merge the different parts (zipMerge).
Get information about the archive and the files in the archive (zipExtractPath, zipInfoFile, zipListFile, etc.).
Extract the files (zipExtractFile, zipExtractAll).

Actions that can be performed on a single-part active

All archiving functions can be used on single-part archives, except zipMerge (used to group the different parts of an archive together).

Component : wd250zip.dll