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replace fields in a string with data

/ Published in: Ruby
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  1. info = "Hello World %firstname% %lastname% today is %date% ."
  2. fields = { 'firstname' => "Jamie", 'lastname' => "Allison"}
  3.  
  4. info.gsub!(/(%.*?%)/) do |m|
  5. 	m.gsub!(/%/, '')
  6. 	fields[m]
  7. end
  8.  
  9. puts info
  10. # >> Hello World Jamie Allison today is  .
  11. # Note if field is not in fields array, it is simply replaced with an empty 
  12. # string, like the %date% field above

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