Created
February 22, 2011 13:48
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Extract columns from Apache access logs
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| open System | |
| open System.Text.RegularExpressions | |
| let separator = Regex(@" (?=(?:[^\""]*\""[^\""]*\"")*(?![^\""]*\""))") | |
| let split s = separator.Split s | |
| let matches = Regex(@"([^\s""\[]\S*|"".*?""|\[.*?\])").Matches | |
| let value (m: Match) = m.Value | |
| let trim (separator: char) (s: string) = s.Trim separator;; | |
| let split s = matches s |> Seq.cast |> Seq.map (value >> trim '"') |> Seq.toList | |
| let toMap (keys: string list) (vals: string list) = Map.ofList (List.zip keys vals) | |
| let apacheLogKeys = ["vhost"; "client"; "u1"; "u2"; "time"; "req"; "code"; "bytes"; "ref"; "agent"] | |
| let apacheLogToMap = toMap apacheLogKeys | |
| let test = "www.text.ch 217.69.134.177 - - [13/Feb/2011:02:08:03 +0100] \"GET / HTTP/1.0\" 200 26682 \"-\" \"Mail.Ru/1.0\"" | |
| apacheLogToMap test | |
| (* %v %h %l %u %t \"%r\" %>s %b "%{Referer}i" "%{User-Agent}i" *) |
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