본문 바로가기
조회 수 2418 추천 수 0 댓글 0
?

단축키

Prev이전 문서

Next다음 문서

+ - Up Down Comment Print
?

단축키

Prev이전 문서

Next다음 문서

+ - Up Down Comment Print
#!/usr/bin/env ruby
require 'optparse'

options = {}
opt_parser = OptionParser.new do |opt|
    opt.banner = "Usage:"
    opt.separator "     alert_gen.rb -H host -P protocol [-p port] -f alerts_json_file"
    opt.separator ""
    opt.separator "Examples:"
    opt.separator "     alert_gen.rb -H 192.168.1.1 -P http -p 80 -f alert.txt"
    opt.separator "     alert_gen.rb -H 192.168.1.1 -P syslog -p 514 -f alert.txt"
    opt.separator ""
    opt.separator "Options"

    opt.on("-H", "--host host", "host to send json to") do |host|
        options[:host] = host
    end
    opt.on("-P", "--protocol protocol", "protocol to send json in") do |protocol|
        options[:protocol] = protocol.downcase
        options[:port] = case options[:protocol].downcase
                             when 'http' then
                                 80
                             when 'syslog' then
                                 514
                         end
    end
    opt.on("-p", "--port port", "port number for protocol") do |port|
        options[:port] = port
    end
    opt.on("-f", "--filename filename", "filename to save the script output as") do |filename|
        options[:filename] = filename
    end
    opt.on("-h", "--help", "help") do
        puts opt_parser
    end
end

begin
    opt_parser.parse!
rescue OptionParser::ParseError
    $stderr.puts "Error: #{$!}"
    exit
end

# debug
puts "options: #{options}"
puts "size of options: #{options.size}"
puts "-" * 20

# validation
abort "Error: there is one or more arguments missed" unless options.size == 4


Hojungs-MacBook-Air:_ruby_alert_generator hyun$ ./alert_gen.rb -P http

options: {:protocol=>"http", :port=>80}

size of options: 2

--------------------

Error: there is one or more arguments missed


Hojungs-MacBook-Air:_ruby_alert_generator hyun$ ./alert_gen.rb -P HttP

options: {:protocol=>"http", :port=>80}

size of options: 2

--------------------

Error: there is one or more arguments missed



Title
List of Articles
번호 제목 글쓴이 날짜 조회 수
31 Different Ways to Set Attributes in ActiveRecord (attribute, create, update, validation) Hojung 2015.05.24 1357
30 Ruby Style Guide Hojung 2015.02.05 1740
29 Refresh content automatically after some period time on Rails Hojung 2015.01.22 2339
28 Install ruby-filemagic on Mac (brew, libmagic) Hojung 2014.12.03 1566
27 Byte manipulation in Ruby Hojung 2014.12.03 1517
26 How to use Github for your project file Hojung 2014.09.24 1162
25 Ruby map, each, collect, inject, reject, select quick reference Hojung 2014.06.10 1879
24 Difference between collect, select, map and each in ruby Hojung 2014.06.10 1388
23 remove nil from array (compact, compact!) Hojung 2014.06.10 1671
22 remove child association model when parent removed (rails-dependent-destroy) Hojung 2014.06.03 1737
21 deploying cron jobs with whenever gem Hojung 2014.06.01 1774
20 Get list of a class' instance methods Hojung 2014.06.01 1456
19 Optional method parameters in Ruby Hojung 2014.05.29 1550
18 Best Ruby On Rails Content Management Systems (CMS) Hojung 2014.04.26 2733
17 The simple way to print exceptions in Ruby Hojung 2014.04.07 1574
16 Ruby Symbols Hojung 2014.04.05 6350
15 What is the difference between a Symbol and String? Hojung 2014.04.05 1555
14 install Rbenv, ruby and rails Hojung 2014.03.22 1728
13 HTTP Posts in Ruby Hojung 2014.03.14 1733
» optparse: mandatory and optional arguments example Hojung 2014.03.14 2418
Board Pagination ‹ Prev 1 2 Next ›
/ 2

Designed by sketchbooks.co.kr / sketchbook5 board skin

나눔글꼴 설치 안내


이 PC에는 나눔글꼴이 설치되어 있지 않습니다.

이 사이트를 나눔글꼴로 보기 위해서는
나눔글꼴을 설치해야 합니다.

설치 취소

Sketchbook5, 스케치북5

Sketchbook5, 스케치북5

Sketchbook5, 스케치북5

Sketchbook5, 스케치북5