Return a random separation of the string. Default separation is by charaacter.
"Ruby rules".at_rand(' ') #=> ["Ruby"]
# File lib/more/facets/random.rb, line 400 400: def at_rand( separator=// ) 401: #separator = self.class.patterns( separator ) 402: self.split(separator,1).at_rand 403: end
Return a random separation while removing it from the string. Default separation is by character.
s = "Ruby rules" s = at_rand!(' ') #=> "Ruby" s #=> "rules"
# File lib/more/facets/random.rb, line 412 412: def at_rand!( separator=// ) 413: #separator = self.class.patterns( separator ) 414: a = self.shatter( separator ) 415: w = []; a.each_with_index { |s,i| i % 2 == 0 ? w << s : w.last << s } 416: i = Random.number(w.size) 417: r = w.delete_at( i ) 418: self.replace( w.join('') ) 419: return r 420: end
Return a random byte of self.
"Ruby rules".rand_byte #=> 121
# File lib/more/facets/random.rb, line 426 426: def rand_byte 427: self[Random.number(size)] 428: end
Destructive rand_byte. Delete a random byte of self and return it.
s = "Ruby rules" s.rand_byte! #=> 121 s #=> "Rub rules"
# File lib/more/facets/random.rb, line 436 436: def rand_byte! 437: i = Random.number(size) 438: rv = self[i,1] 439: self[i,1] = '' 440: rv 441: end
Return a random string index.
"Ruby rules".rand_index #=> 3
# File lib/more/facets/random.rb, line 447 447: def rand_index 448: Random.number(size) 449: end
Return the string with seperated sections arranged in a random order. The default seperation is by character.
"Ruby rules".shuffle #=> "e lybRsuur"
# File lib/more/facets/random.rb, line 456 456: def shuffle(separator=//) 457: split(separator).shuffle.join('') 458: end
Disabled; run with --debug to generate this.
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