--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/concatenate_ordered.bash	Sat Apr 28 15:07:26 2018 -0400
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+input1=$1
+output1=$2
+
+echo $input1 |tr , '\n' > input_series
+
+cat input_series | while read file
+do
+	cat $file >> count_list
+done
+
+sort -k1 count_list > sorted_list
+cut -f 2 sorted_list > $output1
+
+rm input_series
+rm count_list
+rm sorted_list