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나는 다음 코드을 가지고 있으며 ARGV를 사용하고 있습니다. 사용자가 null ARGV를 떠났을 때 메시지를 표시하도록 만들 것입니다.이정의되지 않은 메소드`include? ' nilClass (NoMethodError)
tld.rb : 302 :
=begin
TLDentifier developed by Arsh Leak. 2014.
Commands:
--display : Show all TLDs registered.
--help : Show more informations.
target.com
=end
class String
def green; "\033[32m#{self}\033[0m" end
def blue; "\033[34m#{self}\033[0m" end
def cyan; "\033[36m#{self}\033[0m" end
def bold; "\033[1m#{self}\033[22m" end
end
system("clear")
domains = {
".br" => "Brazilian",
".com" => "Comercial",
".aero" => "Aircraft",
".biz" => "Business",
".coop" => "Cooperative",
".edu" => "Educational",
".gov" => "Government",
".info" => "Information",
".int" => "International organization",
}
def head()
"TLDentifier".green.bold
end
puts head()
name = ARGV.first
puts "[#{name}]".blue.bold
domains.each do |domain, etn|
if name.include? (domain)
puts "["+domain.cyan+"] is a "+etn+" Domain."
elsif name == "--help"
system("clear")
puts head()
puts ""
puts "Development.".cyan
puts "Developed by "+"Arsh Leak. 2014."
puts ""
puts ""
puts "GitHub.".cyan
puts "github.com/4rsh"
puts ""
puts "Facebook.".cyan
puts "facebook.com/doxnetwork"
puts ""
puts "Blog.".cyan
puts "doxnetwork.com/"
puts ""
puts "Credits.".cyan
puts "Prof. Eric Weinstein."
puts ""
puts "How to.".cyan
puts "If you want to identify all TLDs, type:"
puts "$ ruby ltdentifier.rb --display".green
puts ""
puts "If you want to identify a specific TLD, type:"
puts "$ ruby ltdentifier.rb www.website.com/dir or www.website.com.".green
puts ""
elsif name == "--display"
head()
puts "Domain:".green+domain+" -"+" Entity: ".green+etn
end
end
그리고, 스크립트이 오류를 반환? block in <main>': undefined method
에 포함을 ' 무기 호에 대한 : NilClass (NoMethodError) tld.rb에서 : 301 : each' from tld.rb:301:in
에 '인수가 전달되지