Web server log which maintains a history of page requests, typically appended to the end of the file. Information about the request, including client IP address, request date/time, page requested, HTTP code, bytes served, user agent, and referrer are typically added.
Given a web server log records, find the total number of successful HTTL responses (200 code) for IP addresses with successful responses.
Input : Sample Access Log 192.168.1.2 - - [17/Sep/2013:22:18:19 -0700] "GET /abc HTTP/1.1" 404 201 192.168.1.2 - - [17/Sep/2013:22:18:19 -0700] "GET /favicon.ico HTTP/1.1" 200 1406 192.168.1.2 - - [17/Sep/2013:22:18:27 -0700] "GET /wp/ HTTP/1.1" 200 5325 192.168.1.2 - - [17/Sep/2013:22:18:27 -0700] "GET /wp/wp-content/themes/twentytwelve/style.css?ver=3.5.1 HTTP/1.1" 200 35292 192.168.1.3 - - [17/Sep/2013:22:18:27 -0700] "GET /wp/wp-content/themes/twentytwelve/js/navigation.js?ver=1.0 HTTP/1.1" 200 863 Output : 192.168.1.3 1 192.168.1.2 3
Prerequisite : Regular Expression in Java
18.104.22.168 1 22.214.171.124 1 126.96.36.199 3
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