Create script.rb

script.rb

@@ -0,0 +1,22 @@
+require 'time'
+require 'json'
+query = ARGV[0]
+d = query.split(/,\s*/).inject(0) { |acc, ts|
+  t1, t2 = ts.split /\s*-\s*/
+  t1 = Time.parse(t1)
+  t2 = Time.parse(t2)
+  d = (t2 - t1) / 60 / 60 # in hours
+  acc += d
+  acc
+}
+h = d.floor.to_i
+m = (d % 1 * 60).to_i
+data = {
+  items: [
+    {
+      title: "Total duration: #{d} (#{h} hours #{m} minutes)",
+      arg: "#{d} (#{h} hours #{m} minutes)"
+    }
+  ]
+}
+puts data.to_json