#expand

Version 0.1.3 behavior is documented here. The support record separates local verification from published MoonX behavior; moonx examples use registry releases.

Convert tab bytes to spaces while preserving the remaining input bytes:

printf 'a\tb\n' | moonx cli/expand
moonx cli/expand -t 4,8 input.txt

-i/--initial limits conversion to the leading blank area, and -t/--tabs selects positive ascending tab stops; the default width is 8. A single stop repeats at that width. With several fixed stops, later tabs become one space. A final /N continues at absolute multiples of N; a final +N continues relative to the last fixed stop. For example, after 4,6, /8 places the next stop at 8, while +8 places it at 14. A standalone /8 or +8 is the ordinary repeating width 8.

Lists accept comma, space or tab separators, and repeated -t values accumulate before validation. Stops use the GNU signed 64-bit range, rather than an Int32 limit. Nonzero /N and +N suffixes are exclusive and may not be repeated. GNU 9.11 accepts trailing /0 or +0 as no extension; 4,/0 and 4,+0 therefore repeat width 4. Invalid tab lists fail before input is read. Backspace moves back one positive column; carriage return is an ordinary byte and does not reset the column.

With no file operand, or with -, input is read from standard input. Multiple files are processed in order and a read error does not discard earlier output. Locale-dependent display widths are outside this byte-oriented profile.

#Standalone metadata

Standalone --version prints exactly expand 0.1.3 followed by one newline. Standalone --help starts with Usage: expand, 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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