Method: String#trim

Defined in:
lib/core/facets/string/trim.rb

#trim(num = 0) ⇒ Object

Control the margin of a string using a trim character.

The first character of the second line of the string is used as the trim character. This method is useful when literal multi-line strings are needed in code.

num - Number of extra spaces with which to replace the

trim character. [Integer]

Examples

x = %Q{
      | This
      |   is
      |    trim!
      }.trim

Returns string with the margin trimed-off.

Note: This this method used to be called ‘margin` prior to Facets 3.0.

Since: 3.0.0 Author: Trans



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# File 'lib/core/facets/string/trim.rb', line 27

def trim(num=0)
  #d = /\A.*\n\s*(.)/.match( self )[1]
  #d = /\A\s*(.)/.match( self)[1] unless d

  md = /\A.*\n\s*(.)/.match(self) || /\A\s*(.)/.match(self)

  d = md[1]

  return '' unless d

  if num == 0
    gsub(/\n\s*\Z/,'').gsub(/^\s*[#{d}]/, '')
  else
    gsub(/\n\s*\Z/,'').gsub(/^\s*[#{d}]/, ' ' * num)
  end
end