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roswell.roswell/HACKING.md
Masataro Asai cc81668495 specified the common default output behavior
2016-01-16 19:49:41 +09:00

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default behavior for command line output

if some command requires a subcommand and the subcommand is missing, output should be printed as follows:

  • auxilary information should be printed to the stderr. These are read by human.
  • list of candidates for the missing subcommand should be printed to the stdout. These are not only read by human, but also read by shell completion facility.