#comm for moonx

Version 0.2.2 behavior is documented here. The support record separates local verification from published MoonX behavior; moonx examples use registry releases.

Compare two sorted files line by line, producing three columns: lines only in FILE1, lines only in FILE2 (one leading TAB), and common lines (two leading TABs):

moonx cli/comm left.txt right.txt
moonx cli/comm -12 left.txt right.txt   # only common lines

Options: -1, -2, -3 suppress the corresponding column (combinable as -12, -23, ...). Use - to read stdin. Records are compared as raw bytes, matching LC_ALL=C order. --output-delimiter=STR replaces the column TABs; an empty value selects one NUL byte. Repeated identical delimiters are accepted, while differing values fail before output. --total appends the counts of FILE1-only, FILE2-only and common records, followed by total, using the selected column delimiter. Counts include suppressed columns.

--check-order reports an unsorted input and stops immediately. By default, GNU's conditional order check diagnoses disorder after unpairable input is observed; it finishes output and the requested total before exiting nonzero. --nocheck-order disables checks. The last order flag takes effect. -z reads and writes NUL-delimited records, including the total record.

#Standalone metadata

Standalone --version prints exactly comm 0.2.2 followed by one newline. Standalone --help starts with Usage: comm, 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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