#hexdump

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

Display binary data as numbers and readable characters:

moonx cli/hexdump -C data.bin
moonx cli/hexdump -s16 -n32 -v data.bin
printf 'abc' | moonx cli/hexdump -b

-C prints hexadecimal bytes and an ASCII column. -b, -c, and -X select one-byte octal, escaped characters, and hexadecimal. -d, -o, and -x print two-byte decimal, octal, and hexadecimal values. Without a format option, two-byte hexadecimal values use the compact default layout. Repeated format options produce one line per selected format, in option order.

Files are concatenated before formatting; no file, or -, reads stdin. -s skips bytes in named files, -n limits displayed bytes, and -v prints repeated blocks instead of *. Counts accept decimal, leading-zero octal, hexadecimal, and common K/M/G, KiB/MiB/GiB, KB/MB/GB, or b suffixes. Final partial words are zero-padded and absent fields retain their column spacing.

Two-byte values use the little-endian profile of the supported Native/Wasm targets. Character output uses C-locale byte rules. Custom -e/-f format strings and color directives are not implemented. -h/--help and -V/--version are available. Errors return status 1.

Skipping bytes from stdin is rejected because its seekability cannot be checked through the public input API. -n0 completes without reading input.

#Standalone metadata

Standalone --version prints exactly hexdump 0.1.1 followed by one newline. Standalone --help starts with Usage: hexdump, 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.

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#hexdump

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