Day 12 - Regular expressions - Single characters

82

$ grep -Eo "HTTP/.\.. 4.." simple.log

| sed -r s,"HTTP/.\.. ",, | sort | uniq -c

2 403

213 404

2 416

If we don’t get rid of the protocol version we get a different histogram, which can be interesting

anyway

$ grep -Eo "HTTP/.\.. 4.." simple.log

| sort | uniq -c

1 HTTP/1.0 403

30 HTTP/1.0 404

1 HTTP/1.1 403

183 HTTP/1.1 404

2 HTTP/1.1 416

Go back to the exercise