2.2.16. addIndexed

Purpose

Usage

> addIndexed options ASCII table(s) 

Options

--index

column label containing row index

-o / --offset [ 0 ]

constant offset for index column value

-l / --label

column label(s) to be appended

-a / --asciitable

indexed ASCIItable

Examples

• add squared values
  Suppose we have a reference ASCIItable containing data to which we want to add the squared values of column » y «.

  2 head
  # reference ASCIItable
  x y
  1 1
  2 3
  3 4
  

  The lookup table contains

  2 head
  # lookup ASCIItable
  squared
  1
  4
  9
  16
  25
  

  
  

  >  addIndexed --index y --asciitable lookup --label squared < reference
  

  yields

  3 head
  # reference ASCIItable
  # addIndexed --index y --asciitable lookup --label squared
  x y squared
  1 1 1
  2 3 9
  3 4 16