zipNbPartNeeded (Function)

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Splitting an archive
Multi-part archive

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zipNbPartNeeded (Function)

In french: zipNbPartieNécessaire

Returns the number of parts of a given size required to split a single-part archive.

Remark: This function is available for the archives in ZIP and WDZ format only.

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 26 and later

This function is now available in Android Widget mode.

This function is now available for Android applications.

New in version 26

This function is now available in Android Widget mode.

This function is now available for Android applications.

This function is now available in Android Widget mode.

This function is now available for Android applications.

Example

See additional examples

// Open an archive
ResOpenArchive = zipOpen("MyArchive", "C:\MyArchives\Archive.zip")
// In Windows mobile:
// ResOpenArchive = zipOpen("MyArchive", "\MyArchives\Archive.zip")

IF ResOpenArchive = 0 THEN
...
// Number of parts (1.4 MB) required to contain the archive
ResNbNecessaryParts = zipNbPartNeeded("MyArchive", 1400*1024)
Info("To split this archive, " + ResNbNecessaryParts + ...
" part(s) of 1.4 MB are required")
...
END

MyArchive is zipArchive
// Open an archive
ResOpenArchive = zipOpen(MyArchive, "C:\MyArchives\Archive.zip")
// In Windows Mobile:
// ResOpenArchive = zipOpen(MyArchive, "\MyArchives\Archive.zip")

IF ResOpenArchive = 0 THEN
...
// Number of parts (1.4 MB) required to contain the archive
ResNbNecessaryParts = zipNbPartNeeded(MyArchive, 1400*1024)
Info("To split this archive, " + ResNbNecessaryParts + ...
" part(s) of 1.4 MB are required")
...
END

Syntax

<Result> = zipNbPartNeeded(<Archive> , <Size of parts>)

<Result>: Integer

Number of parts of a given size required to contain an archive.

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

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

<Size of parts>: Integer

Size of parts in bytes. The default size is equal to 1.44 MB (1400*1024 bytes). The minimum size is equal to 300 KB for each part (300*1024 bytes).

Remarks

Splitting an archive

A multi-part archive is created by zipSplit. zipNbPartNeeded is used to find out the number of supports (diskettes for example) required to split the archive.

Multi-part archive

Using the zipNbPartNeeded function on a multi-part archive allows you to calculate the number of parts required for a new cut.

Business / UI classification : Business Logic

Component : wd260zip.dll