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Thread: Extracting specifi data from a text file intoa new file

  1. #1
    Join Date
    Apr 2013
    Posts
    5

    Extracting specifi data from a text file intoa new file

    Hello...

    I have continues sequence of data in type

    21:14:25.0 RES G03 P3 0.2908
    21:14:25.0 RES G06 P3 0.1702
    21:14:25.0 RES G16 P3 0.2570
    21:14:25.0 RES G18 P3 -0.4643
    21:14:25.0 RES G21 P3 0.0668
    21:14:25.0 RES G22 P3 -0.1528
    21:14:25.0 RES G29 P3 -0.1680
    21:14:25.0 RES G03 L3 0.0147
    21:14:25.0 RES G06 L3 -0.0002
    21:14:25.0 RES G16 L3 -0.0003
    21:14:25.0 RES G18 L3 -0.0286
    21:14:25.0 RES G21 L3 0.0121
    21:14:25.0 RES G22 L3 -0.0132
    21:14:25.0 RES G29 L3 0.0154

    clk = 0.016 +- 0.018
    trp = 2.271 +0.043 +- 0.001
    amb G29 = 2.924 +- 0.012 nEpo = 4093
    amb G06 = 4.995 +- 0.014 nEpo = 3524
    amb G03 = -1.386 +- 0.015 nEpo = 848
    amb G21 = -0.403 +- 0.013 nEpo = 481
    amb G18 = -4.100 +- 0.013 nEpo = 377
    amb G22 = 9.674 +- 0.013 nEpo = 216
    amb G16 = -1.265 +- 0.016 nEpo = 5

    12-05-30 21:14:26 VSAK_PAM PPP 21:14:25.0 7 4640364.248 +- 0.014 2205651.817 +- 0.011 3767241.543 +- 0.011 NEU 0.075 -0.107 -0.078

    into a text file and i want to extract the data after NEU into a table or into a new file anyone have any idea?

    Thanks

  2. #2
    Join Date
    Apr 2013
    Posts
    5
    Also the time 21:14:26 and the data after NEU into a table or better into a text file

  3. #3
    Join Date
    Dec 2012
    Posts
    264
    You could do it using a couple of preg_matches

    Code:
    $file = file_get_contents("datafile.txt");
    $date = preg_match("/[0-9][0-9]\-[0-9][0-9]\-[0-9][0-9] ([0-9][0-9]\:[0-9][0-9]\:[0-9][0-9])/",$file,$match);
    $date = $match[1];
    $afterNEU = preg_match("/NEU (.*)/",$file,$match);
    $afterNEU = $match[1];
    file_put_contents("newfile.txt",$date." ".$afterNEU);

  4. #4
    Join Date
    Apr 2013
    Posts
    5
    Thanks hmmm i think that maybe perl or python do the work more efficient, but i will give it a try.

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