Got the two starters down.

02-filter-a-log-file/step1.js

@@ -4,4 +4,7 @@ const raw_log = fs.readFileSync(process.argv[2]);
 
 const lines = raw_log.toString().split("\n");
 
-console.log(lines);
+const search = new RegExp(process.argv[3]);
+
+// continue here, how do you find all the lines matching the regex?
+// how complex can you make this?  Is it necessary?

02-filter-a-log-file/step2.js

@@ -0,0 +1,8 @@
+import fs from "fs";
+
+const raw_log = fs.readFileSync(process.argv[2]);
+
+const lines = raw_log.toString().split("\n");
+
+// now you have to figure out how to split each line of the
+// web log into something meaningful