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(Excel) Set Entry Filepath (in output Zip) when Zipping

Demonstrates how to set the path for the file entry within the .zip to something different than the path in the filesystem.

Download Excel Class Modules

Chilkat Excel Class Modules

' This requires the Chilkat Zip API to have been previously unlocked.
' See Unlock Chilkat Zip for sample code.

Dim zip As Chilkat.Zip
Set zip = Chilkat.NewZip


success = zip.NewZip("qa_output/zipA.zip")

' When an absolute filepath is passed to AppendOneFileOrDir, the path within the .zip
' will be one of two values:  (1) just the filename part if saveExtraPath is False,
' or (2) the full absolute path, but made relative, if saveExtraPath is True.
' (For example, "c:/ck2000/appData/UnitTest/qa_data/hamlet.xml" made relative is 
' "ck2000/appData/UnitTest/qa_data/hamlet.xml")

saveExtraPath = False
success = zip.AppendOneFileOrDir("c:/ck2000/appData/UnitTest/qa_data/hamlet.xml",saveExtraPath)
If (success <> True) Then
    Debug.Print zip.LastErrorText
    Exit Sub
End If

' When a relative path is passed to AppendOneFileOrDir, then saveExtraPath does not apply.
' For example, assume our current working directory is "c:/ck2000/appData/UnitTest".  The following
' call to AppendOneFileOrDir creates an entry with the filepath "qa_data/hamlet.xml".
success = zip.AppendOneFileOrDir("qa_data/hamlet.xml",saveExtraPath)
If (success <> True) Then
    Debug.Print zip.LastErrorText
    Exit Sub
End If

' Examine the entries

numEntries = zip.NumEntries

i = 0
Do While i < numEntries

    Set e = zip.GetEntryByIndex(i)
    Debug.Print i; ": "; e.FileName

    i = i + 1
Loop

' The output so far is:

' 	0: hamlet.xml
' 	1: qa_data/hamlet.xml

' If we write the .zip as-is, then the zip will have two entries
' with the filepaths as shown above.

' This writes "qa_output/zipA.zip"
success = zip.WriteZip()

' Now change the entry filepaths to whatever is desired.

Set entry = zip.GetEntryByName("hamlet.xml")
If (zip.LastMethodSuccess = False) Then
    Debug.Print "entry not found"
    Exit Sub
End If

entry.FileName = "Shakespeare/Claudius1.xml"

Set entry = zip.GetEntryByName("qa_data/hamlet.xml")
If (zip.LastMethodSuccess = False) Then
    Debug.Print "entry not found"
    Exit Sub
End If

entry.FileName = "Shakespeare/Claudius2.xml"

' Change the name of the .zip to be written and write again:
zip.FileName = "qa_output/zipB.zip"
success = zip.WriteZipAndClose()
If (success <> True) Then
    Debug.Print zip.LastErrorText
Else
    Debug.Print "Zip created!"
End If

' Examine both zipA.zip and zipB.zip using 7zip (or another tool) to see the differences.

 

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