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instance method

Gem::Command#usage

usage

lib/rubygems/command.rb View on GitHub ↗

# File tmp/rubies/ruby-3.0.5/lib/rubygems/command.rb, line 285
def usage
  program_name
end

Override to display the usage for an individual gem command.

The text “[options]” is automatically appended to the usage text.

See also #show_lookup_failure #when_invoked #show_help #wrap also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1