--- /dev/null
+#!/bin/bash
+echo "Run this test more then once. the first read on the file may be uncached. after that, the file is in Linux' block cache"
+
+echo "Plain awk '{print \$3}':"
+time awk '{print $3}' dummy_history_file >/dev/null
+
+echo "awk + sort"
+time awk '{print $3}' dummy_history_file | sort >/dev/null
+echo "awk + sort + uniq"
+time awk '{print $3}' dummy_history_file | sort | uniq >/dev/null
+
+echo "Plain dmenu:"
+dmenu < dummy_history_file
+echo "awked into dmenu:"
+awk '{print $3}' dummy_history_file | dmenu
+echo "awk + sort + uniq into dmenu:"
+awk '{print $3}' dummy_history_file | sort | uniq | dmenu