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Rubyでユーザのキーボード入力を対話的に受け取るRubyスクリプト ref: http://qiita.com/na0AaooQ/items/65005f51c2430f74d2f0
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#!/bin/env ruby | |
## ---------------------------- | |
# ユーザからのキーボードの入力を受け取り、 | |
# yes と入力されたらスクリプトを実行する、no と入力されたらスクリプトを終了します. | |
## ---------------------------- | |
class ConfirmExecutionClass | |
def initialize | |
puts <<-EOT | |
---------------------------- | |
スクリプトを実行しますか? | |
スクリプトを実行する場合は yes、実行をキャンセルする場合は no と入力して下さい. | |
EOT | |
end | |
def get_keyboard_input_yes_no | |
case gets.chomp | |
when "yes", "YES", "y" | |
puts " スクリプトを実行します." | |
when "no", "NO", "n" | |
puts " スクリプトを終了します." | |
exit 1 | |
else | |
puts " yes または no を入力して下さい." | |
confirm = ConfirmExecutionClass.new | |
confirm.get_keyboard_input_yes_no | |
end | |
end | |
end | |
confirm = ConfirmExecutionClass.new() | |
confirm.get_keyboard_input_yes_no | |
puts "----------------------------" | |
puts "hello world!" |
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[ec2-user@example-ruby-sinatra-server ~]$ which ruby | |
/usr/local/rbenv/shims/ruby | |
[ec2-user@example-ruby-sinatra-server ~]$ | |
[ec2-user@example-ruby-sinatra-server ~]$ ruby -v | |
ruby 2.3.1p112 (2016-04-26 revision 54768) [x86_64-linux] | |
[ec2-user@example-ruby-sinatra-server ~]$ |
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[ec2-user@example-ruby-sinatra-server ~]$ vi example.rb |
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[ec2-user@example-ruby-sinatra-server ~]$ ll example.rb | |
-rw-r--r-- 1 ec2-user ec2-user 1059 10月 16 12:23 example.rb | |
[ec2-user@example-ruby-sinatra-server ~]$ |
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[ec2-user@example-ruby-sinatra-server ~]$ ruby example.rb | |
---------------------------- | |
スクリプトを実行しますか? | |
スクリプトを実行する場合は yes、実行をキャンセルする場合は no と入力して下さい. | |
yes | |
スクリプトを実行します. | |
---------------------------- | |
hello world! | |
[ec2-user@example-ruby-sinatra-server ~]$ |
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[ec2-user@example-ruby-sinatra-server ~]$ ruby example.rb | |
---------------------------- | |
スクリプトを実行しますか? | |
スクリプトを実行する場合は yes、実行をキャンセルする場合は no と入力して下さい. | |
no | |
スクリプトを終了します. | |
[ec2-user@example-ruby-sinatra-server ~]$ |
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[ec2-user@example-ruby-sinatra-server ~]$ ruby example.rb | |
---------------------------- | |
スクリプトを実行しますか? | |
スクリプトを実行する場合は yes、実行をキャンセルする場合は no と入力して下さい. | |
test | |
yes または no を入力して下さい. | |
---------------------------- | |
スクリプトを実行しますか? | |
スクリプトを実行する場合は yes、実行をキャンセルする場合は no と入力して下さい. | |
yes または no を入力して下さい. | |
---------------------------- | |
スクリプトを実行しますか? | |
スクリプトを実行する場合は yes、実行をキャンセルする場合は no と入力して下さい. | |
yes または no を入力して下さい. | |
---------------------------- | |
スクリプトを実行しますか? | |
スクリプトを実行する場合は yes、実行をキャンセルする場合は no と入力して下さい. | |
no | |
スクリプトを終了します. | |
[ec2-user@example-ruby-sinatra-server ~]$ |
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