Exclusion (XOR)

Description

Create the mutual exclusion (XOR) of two or more sets.

Each line in the input text files is treated as an item. Items are case- and whitespace-sensitive. The order of items is not maintained.

Input files

• at least 2 entries files (.txt)

Output files

• Exclusion (exclusion.txt)

Context

Example

The following input files:

a.txt

John
Paul
George

b.txt

Paul
George
Ringo

...result in the following file:

exclusion.txt

John
Ringo

Source code

exclusion.rb, exclusion.yaml (GitHub)