Columnize - Module to show an Array formatted as a String aligned in columns.

Summary

In showing a long lists, sometimes one would prefer to see the value arranged aligned in columns. Some examples include listing methods of an object or debugger commands.

  require 'columnize'
  columnize([1, 2, 3])
   1 2 3 
  a  = (1..100).to_a
  print columnize((1..100).to_a.map{|x| "%2d" % x}, 60)

   1   8  15  22  29  36  43  50  57  64  71  78  85  92  99 
   2   9  16  23  30  37  44  51  58  65  72  79  86  93  100
   3  10  17  24  31  38  45  52  59  66  73  80  87  94
   4  11  18  25  32  39  46  53  60  67  74  81  88  95
   5  12  19  26  33  40  47  54  61  68  75  82  89  96
   6  13  20  27  34  41  48  55  62  69  76  83  90  97
   7  14  21  28  35  42  49  56  63  70  77  84  91  98

Credits

This is adapted from a method of the same name from Python's cmd module.

Other stuff

Author:: Rocky Bernstein [email protected] License:: Copyright (c) 2007, 2011 Rocky Bernstein Released under the GNU GPL 2 license

Warranty

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.