space

>>-space-+---------------+-------------------------------------><
         +-(n-+------+-)-+
              +-,pad-+

Returns a copy of receiving string, with [n]   [pad] characters between each whitespace-delimited word. If you specify [n] , it must be a positive whole number or zero. If it is 0, all whitespace characters are removed. Leading and trailing whitespace characters are always removed. The default for [n] is 1, and the default [pad] character is a blank.

String class - space method

"abc  def  "~space           ->    "abc def"
"  abc def"~space(3)         ->    "abc   def"
"abc  def  "~space(1)        ->    "abc def"
"abc  def  "~space(0)        ->    "abcdef"
"abc  def  "~space(2,"+")    ->    "abc++def"