Ruby

Decompress Gzip Data In-Place Using BinData

See more Gzip Examples

This example demonstrates how to use the UncompressBd method to decompress Gzip data stored in a BinData object.

The compressed .gz file is first loaded into memory. The UncompressBd method then decompresses the data in-place, meaning the original compressed bytes in the BinData object are replaced with the uncompressed data.

After decompression, the example writes the resulting data to a file. This approach is useful when working entirely in memory before saving or further processing the uncompressed data.

Ruby

require 'chilkat'

success = false

# This example demonstrates how to decompress Gzip data stored in a BinData object.
# The decompression is done in-place, replacing the compressed data with the original data.

gzip = Chilkat::CkGzip.new()
bd = Chilkat::CkBinData.new()

# Load a .gz file into BinData:
success = bd.LoadFile("example.txt.gz")
if (success == false)
    print bd.lastErrorText() + "\n";
    exit
end

print "Compressed size (bytes): " + bd.get_NumBytes().to_s() + "\n";

# Uncompress the data in-place:
success = gzip.UncompressBd(bd)
if (success == false)
    print gzip.lastErrorText() + "\n";
    exit
end

print "Decompressed size (bytes): " + bd.get_NumBytes().to_s() + "\n";

# Save the uncompressed data to a file:
success = bd.WriteFile("example.txt")
if (success == false)
    print bd.lastErrorText() + "\n";
    exit
end

print "File successfully uncompressed to example.txt" + "\n";