get-unique-items

This script can be fed a file with list of comma-separated values, and will output unique items (ie. remove repetitive ones).

Input file must be properly formatted, no extraneous lines or unwanted whitespace.

Example Input File

values.txt

2016,2018,2018,2019,2018,2018,2018,2019,2016,2017,2014,2017,2019,2018,2014,2014,2017,2016,2014,2018,2017,2017,2014,2019,2015,2019,2019,2013,2013,2016,2019,2017,2019,2014,2017,2019

Example Run

$> php get-unique-items.php values.txt

Example Output

 Results
 =========================
 2016
 2018
 2019
 2017
 2014
 2015
 2013