ruby - OptionsParser execute methods? -

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I'm sorry if this is a clearly obvious question, but the documents of opt-ons are totally horrible and I do not think its I was just a simple question, can I execute a method by using this option: 

  DNS = new.new option = {} optparse = OptionParser.new do | Opts | opts.banner = $ usage options [: standard] = incorrect opts.on ('a', '-standard', 'standard DNS query') option [[standard] = true end option [: mail] = wrong option [ MX ',' - mail ',' Mx server quarry 'option) options [: mail] = true end option [: reverse] = false opts.on (' ptr ',' --reverse ',' reverse DNS lookup ' ') Option [: reverse] = true end opts.on (' -h ',' --help ',' display use ') opts exit end end option.parse! ARGV.Have | RGR | If option [: mail] dns.ptr_records (arg) if option [: reverse] end     / former> 
 it seems that I can not do this , Or I'm doing it wrong. Because in fact this is the only thing printing "querying # {Arg}" string.   
 
 
 Your example works for me almost the only thing you need to change is "-" abbreviated For the names of the options. Ie  
  opts.on (instead of '-a', '-standard', 'standard DNS queries')   
 instead  
  opts.on ('a', '-standard', 'standard DNS query')   
 In this way  & lt; your_program & gt; Some-A  will have the : standard  option defined if you place  a  in  opts.on , in your cycle Will be identified as another  arg , not as an option.

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