Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/multibytes.rb

Overview

Handling of multi-byte characters (or Japanese).

Assume that $KCONV has been set appropriately

Instance Method Summary collapse

Instance Method Details

#jleft_w_dots(len) ⇒ Object

see www.ruby-lang.org/ja/man/ chapter 10 (method jleft)



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# File 'lib/multibytes.rb', line 8

def jleft_w_dots(len)
  len0 = self.length
  if len0 <= len
    self.dup
  else
    str = self[0,len]
    str[-1,1] = '' if /.\z/ !~ str
    str[-1,1] = '' if /.\z/ !~ str  # don't know why, but needed two times
    str + '..'
  end
end