(Lianja) Replace/Update a FIle in a .zip

Demonstrates how to replace/update a file from a .zip. Note: This requires the entire .zip to be rewritten.

Note: This example requires Chilkat v11.0.0 or greater.

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llSuccess = .F.

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

// First prepare a .zip and write it..
loZip = createobject("CkZip")

loZip.NewZip("qa_output/abc.zip")

// Add some files..
lcCharset = "utf-8"
loZip.AddString("a.txt","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",lcCharset)
loZip.AddString("b.txt","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",lcCharset)
loZip.AddString("c.txt","cccccccccccccccccccccccccccccccccccc",lcCharset)

// Write to qa_output/abc.zip
// This .zip contains three files: a.txt, b.txt, and c.txt
llSuccess = loZip.WriteZipAndClose()

// -------------------------------------------------------------------
// Open abc.zip, replace the content of the "b.txt" entry with something else, and re-write.
loZip2 = createobject("CkZip")
loZip2.OpenZip("qa_output/abc.zip")

loEntry = createobject("CkZipEntry")
if (loZip2.EntryOf("b.txt",loEntry) = .T.) then
    loEntry.ReplaceString("This is the new content.  bbbbbbbbbbbbbbbbbbbbbb","utf-8")
endif

// Write the modified .zip back to "abc.zip"
llSuccess = loZip2.WriteZipAndClose()

? "success."


release loZip
release loZip2
release loEntry