(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.

Chilkat Lianja Extension Download Chilkat Lianja Extension

// 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..
loEntry = loZip.AppendString("a.txt","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")
release loEntry
loEntry = loZip.AppendString("b.txt","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb")
release loEntry
loEntry = loZip.AppendString("c.txt","cccccccccccccccccccccccccccccccccccc")
release loEntry

// 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 = loZip2.GetEntryByName("b.txt")
loEntry.ReplaceString("This is the new content.  bbbbbbbbbbbbbbbbbbbbbb","utf-8")
release loEntry
// Write the modified .zip back to "abc.zip"
llSuccess = loZip2.WriteZipAndClose()

? "success."


release loZip
release loZip2