Lianja Requires Chilkat v11.0.0+

Replace/Update a FIle in a .zip

See more Zip Examples

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

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