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Thread: parse the log and filter out something not be needed

  1. #1
    Join Date
    Mar 2014
    Posts
    8

    parse the log and filter out something not be needed

    thanks to the guys who replied my last post, it quite helps! So I am trying to parse the log and filter out something, the log looks like :

    v=5,ci=3,si=60,sv=1,ss=active,es=-,ai=a23-369b-4da3-b2da-630aee75f8c5,ip='99.114.107.39',rm=GET,rv=HTTP/1.1,rs=200,rt=0.787020,rr='/tag/febe1eab436e98eb4ed3711870496c91/st.js?l=http%3A%2F%2Fwww.michaels.com%2Fv

    The output should be print out by splitting by ',' , line by line, and also filter out something that I don't need. eg. I only need 'ip' and 'rr' attributes, so the output should look like:

    ip='99.114.107.39'
    rr='/tag/febe1eab436e98eb4ed3711870496c91/st.js?l=http%3A%2F%2Fwww.michaels.com%2Fv

    I made the change to the code which given yesterday, but it doesn't work, anyone could help me



    <!doctype html>
    <html>
    <head>
    <title>reading file</title>
    <script>
    function readText(obj){
    var file = obj.files[0],
    div=document.getElementById('main');
    if(file){
    div.innerHTML='';
    var reader = new FileReader();
    reader.onerror = function(event){
    div.innerHTML='The file can\'t be read! Error ' + event.target.error.code;
    }
    reader.onload = function(event){
    var cont = event.target.result.split(',');
    for(var i=0; i<cont.length; i++){
    var name = cont.split('=');
    if (name[0]=="rr") {
    div.innerHTML+=cont[i]+'<br />';
    }

    }
    }
    reader.readAsText(file);
    }
    }

    window.onload=function(){
    document.getElementById('ff').onchange=function(){readText(this);}
    }

    </script>
    </head>
    <body>
    <input type="file" id="ff" />
    <div id="main"></div>
    </body>

    </html>

  2. #2
    Join Date
    Mar 2005
    Location
    Behind you...
    Posts
    873
    Honestly, the only problem (code-wise) with what you have is on the line:
    Code:
    var name = cont.split('=');
    You are not treating the 'cont' variable like a proper array. You need to be calling 1 specific index of that array in order to split it with a delimiter. So you would replace it with:
    Code:
    var name = cont[i].split('=');
    After that your code runs. Though I feel it could be much more efficient. I don't really have the time right now to sit and rebuild your log filtering function, but I could later today if you care enough to have me try.
    "Given billions of tries, could a spilled bottle of ink ever fall into the words of Shakespeare?"

  3. #3
    Join Date
    May 2006
    Location
    Somewhere behind your screen
    Posts
    1,648
    Code:
    <!doctype html> 
    <html>
    <head>
    <title>reading file</title>
    <script>
    function readText(obj){
    var file = obj.files[0],
        div=document.getElementById('main');
    if(file){
    div.innerHTML='';
    var reader = new FileReader();
    reader.onerror = function(event){div.innerHTML='The file can\'t be read! Error ' + event.target.error.code;}
    reader.onload = function(event){
    var cont = event.target.result.split(',');
    for(var i=0; i<cont.length; i++){
    var str=cont[i].substr(0,2);
    if(str=='rr' || str=='ip'){
    div.innerHTML+=cont[i]+'<br />';
    }
    else{continue;}
    }
    }
    reader.readAsText(file);
    }
    }
    
    window.onload=function(){
    document.getElementById('ff').onchange=function(){readText(this);}
    }
    </script>
    </head>
    <body>
    <input type="file" id="ff" />
    <div id="main"></div>
    </body>
    </html>
    xxx: Guess Buddhist riddle: "What is the sound of one hand clapping?"
    yyy: facepalm

  4. #4
    Join Date
    Mar 2014
    Posts
    8
    thanks a lot for your reply. It really helps! I think this is fine for now.

  5. #5
    Join Date
    May 2006
    Location
    Somewhere behind your screen
    Posts
    1,648
    good to hear )
    xxx: Guess Buddhist riddle: "What is the sound of one hand clapping?"
    yyy: facepalm

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