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(Ruby) Replace/Update a FIle in a .zipDemonstrates 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.
require 'chilkat' success = false # 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.. zip = Chilkat::CkZip.new() zip.NewZip("qa_output/abc.zip") # Add some files.. charset = "utf-8" zip.AddString("a.txt","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",charset) zip.AddString("b.txt","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",charset) zip.AddString("c.txt","cccccccccccccccccccccccccccccccccccc",charset) # Write to qa_output/abc.zip # This .zip contains three files: a.txt, b.txt, and c.txt success = zip.WriteZipAndClose() # ------------------------------------------------------------------- # Open abc.zip, replace the content of the "b.txt" entry with something else, and re-write. zip2 = Chilkat::CkZip.new() zip2.OpenZip("qa_output/abc.zip") entry = Chilkat::CkZipEntry.new() if (zip2.EntryOf("b.txt",entry) == true) entry.ReplaceString("This is the new content. bbbbbbbbbbbbbbbbbbbbbb","utf-8") end # Write the modified .zip back to "abc.zip" success = zip2.WriteZipAndClose() print "success." + "\n"; |
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