CodecZlib.jl

Pkg.add("CodecZlib")

using CodecZlib

# Some text.
text = """
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aenean sollicitudin
mauris non nisi consectetur, a dapibus urna pretium. Vestibulum non posuere
erat. Donec luctus a turpis eget aliquet. Cras tristique iaculis ex, eu
malesuada sem interdum sed. Vestibulum ante ipsum primis in faucibus orci luctus
et ultrices posuere cubilia Curae; Etiam volutpat, risus nec gravida ultricies,
erat ex bibendum ipsum, sed varius ipsum ipsum vitae dui.
"""

# Streaming API.
stream = GzipCompressorStream(IOBuffer(text))
for line in eachline(GzipDecompressorStream(stream))
    println(line)
end
close(stream)

# Array API.
compressed = transcode(GzipCompressor, text)
@assert sizeof(compressed) < sizeof(text)
@assert transcode(GzipDecompressor, compressed) == Vector{UInt8}(text)