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instance method
Gem::Commands::ExecCommand#check_executable
check_executable
lib/rubygems/commands/exec_command.rb
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# File tmp/rubies/ruby-4.1.0-preview1/lib/rubygems/commands/exec_command.rb, line 117
def check_executable
if options[:executable].nil?
raise Gem::CommandLineError,
"Please specify an executable to run (e.g. #{program_name} COMMAND)"
end
end
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