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Perl

Replace/Update a FIle in a .zip

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

Chilkat Perl Downloads

Perl
use chilkat();

$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..
$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) == 1) {
    $entry->ReplaceString("This is the new content.  bbbbbbbbbbbbbbbbbbbbbb","utf-8");
}

# Write the modified .zip back to "abc.zip"
$success = $zip2->WriteZipAndClose();

print "success." . "\r\n";