(Ruby) Add Text from a StringBuilder to a ZIP Using AddSb

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This example demonstrates how to use the AddSb method to add text from a StringBuilder object as a file entry within a ZIP archive.

The text is converted to bytes using the specified character encoding before being stored in the ZIP archive.

This method is useful for dynamically generating text files entirely in memory without creating temporary files on disk.

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

success = false

zip = Chilkat::CkZip.new()

success = zip.NewZip("stringBuilderData.zip")
if (success == false)
    print zip.lastErrorText() + "\n";
    exit
end

# Create a StringBuilder containing text data.
sb = Chilkat::CkStringBuilder.new()

sb.AppendLine("Line 1: Hello World!",true)
sb.AppendLine("Line 2: This text came from a StringBuilder.",true)

# Add the StringBuilder contents as a UTF-8 text file
# stored in the ZIP archive as "docs/readme.txt".
success = zip.AddSb("docs/readme.txt",sb,"utf-8")
if (success == false)
    print zip.lastErrorText() + "\n";
    exit
end

# Write the ZIP archive to disk and close it.
success = zip.WriteZipAndClose()
if (success == false)
    print zip.lastErrorText() + "\n";
    exit
end

print "ZIP archive created successfully." + "\n";