PowerBuilder

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. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Zip
string ls_Charset
oleobject loo_Zip2
oleobject loo_Entry

li_Success = 0

// 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..
loo_Zip = create oleobject
li_rc = loo_Zip.ConnectToNewObject("Chilkat.Zip")
if li_rc < 0 then
    destroy loo_Zip
    MessageBox("Error","Connecting to COM object failed")
    return
end if

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

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

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

// -------------------------------------------------------------------
// Open abc.zip, replace the content of the "b.txt" entry with something else, and re-write.
loo_Zip2 = create oleobject
li_rc = loo_Zip2.ConnectToNewObject("Chilkat.Zip")

loo_Zip2.OpenZip("qa_output/abc.zip")

loo_Entry = create oleobject
li_rc = loo_Entry.ConnectToNewObject("Chilkat.ZipEntry")

if loo_Zip2.EntryOf("b.txt",loo_Entry) = 1 then
    loo_Entry.ReplaceString("This is the new content.  bbbbbbbbbbbbbbbbbbbbbb","utf-8")
end if

// Write the modified .zip back to "abc.zip"
li_Success = loo_Zip2.WriteZipAndClose()

Write-Debug "success."


destroy loo_Zip
destroy loo_Zip2
destroy loo_Entry