instance method
OptionParser#program_name
() -> ::String
program_name
lib/optparse.rb
View on GitHub ↗
# File tmp/rubies/ruby-4.0.0/lib/optparse.rb, line 1294
def program_name
@program_name || strip_ext(File.basename($0))
end
Program name to be emitted in error message and default banner, defaults to $0.