#gzip

Version 0.1.1 behavior is documented here. The support record separates local verification from published MoonX behavior; moonx examples use registry releases.

Compress stdin to a gzip stream, or use -c -n to compress named files while keeping the originals:

printf 'hello\n' | moonx cli/gzip > hello.gz
moonx cli/gzip -cn notes.txt > notes.txt.gz
moonx cli/gzip -dc notes.txt.gz
moonx cli/gzip -t notes.txt.gz

-d/--decompress decodes, -t/--test checks compressed data without writing decoded bytes, and -c/--stdout selects stdout. -n/--no-name omits saved names and timestamps. Multiple operands are processed in order; - reads stdin. The encoder emits valid gzip data using stored DEFLATE blocks, so output can be larger than its input. Compression levels are not implemented.

Decompression accepts concatenated members, optional names, comments and extra header fields, and verifies header CRC, payload CRC and size. Decoded bytes already written remain visible if a later member or trailer fails. Zero padding is accepted; trailing garbage produces a warning and status 2 (-q suppresses the warning). Input and format failures return 1. Compression streams input; decompression buffers compressed input and emits decoded chunks.

Named-file compression requires -cn; named-file decompression requires -c unless only testing. In-place replacement, saved metadata, recursive traversal, listing, force/pass-through modes and compression levels are rejected. --help and --version describe this command.

#Standalone metadata

Standalone --version prints exactly gzip 0.1.1 followed by one newline. Standalone --help starts with Usage: gzip, lists both metadata options, and ends with a newline. Both write to stdout, leave stdin unread, and exit with status 0. Exact-version publication and verification remain recorded separately in the support record.

Source Files

main.mbt

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