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POHow to extract the value from string in perl
 

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    <p>Below are the two line which i have to parse in the file and <strong><code>from first line</code></strong> I need to extract <code>"180000"</code> and from <strong>second line I</strong> need to extract <code>"49 , 59, 54 "</code>. </p> <pre><code>Line 1: &lt;Mon Aug 5 15:26:16:040.50 IST 2013&gt; | &lt;MNLOG&gt; &lt;Iteration : 1 Duration : 180000 seconds&gt; Line2: &lt;Mon Aug 5 15:26:16:044.93 IST 2013&gt; | &lt;MNLOG&gt; &lt;TestRunnerUnit - Remaining Time : 49 hours 59 min 54 sec &gt; </code></pre> <p>I have written the code but I looks very hard coded one . So if is there any way which i can use please let me know. </p> <p>My code is : </p> <pre><code> if($line =~ m/Iteration\s+:\s+1\s+Duration/) { print"$line\n"; my @words = split(/ /,$line); my $lengh = $#words; $Start_Duration = $words[14]; } if($line =~ m/Remaining\s+Time\s+:\s+\d+/) { my @words = split(/ /,$line); my $lengh = $#words; $Hours= $words[13]*3600; $Minuts= $words[15]*60; $Seconds= $words[17]; $Remaining_Time =$Hours+$Minuts+$Seconds; } </code></pre> <p>Log: </p> <pre><code>==================================================================================================== &lt;Mon Aug 5 15:26:16:040.50 IST 2013&gt; | &lt;MNLOG&gt; &lt;Iteration : 1 Duration : 180000 seconds&gt; ==================================================================================================== &lt;Mon Aug 5 15:26:16:042.11 IST 2013&gt; | &lt;MNLOG&gt; &lt;TestRunnerUnit - Total Weight : 34&gt; &lt;Mon Aug 5 15:26:16:042.88 IST 2013&gt; | &lt;MNLOG&gt; &lt;TestRunnerUnit - Total Objects : 34&gt; &lt;Mon Aug 5 15:26:16:043.87 IST 2013&gt; | &lt;MNLOG&gt; &lt;TestRunnerUnit - Random Number generated : 3&gt; &lt;Mon Aug 5 15:26:16:044.40 IST 2013&gt; | &lt;MNLOG&gt; &lt;TestRunnerUnit - Next Test : VideoStreamingSMS_APstress&gt; &lt;Mon Aug 5 15:26:16:044.93 IST 2013&gt; | &lt;MNLOG&gt; &lt;TestRunnerUnit - Remaining Time : 49 hours 59 min 54 sec &gt; &lt;Mon Aug 5 15:26:16:045.64 IST 2013&gt; | &lt;DBLOG&gt; &lt;TestRunnerUnit - Test Suite : concurrency_tests&gt; &lt;Mon Aug 5 15:26:16:046.26 IST 2013&gt; | &lt;DBLOG&gt; &lt;TestRunnerUnit - Running the test : VideoStreamingSMS_APstress&gt; &lt;Mon Aug 5 15:26:16:046.81 IST 2013&gt; | &lt;DBLOG&gt; &lt;TestRunnerUnit - Timeout for the test : 1500&gt; &lt;Mon Aug 5 15:26:16:050.04 IST 2013&gt; | &lt;DBLOG&gt; &lt;TestRunnerUnit - Parameters : 1&gt; &lt;Mon Aug 5 15:30:39:760.21 IST 2013&gt; | &lt;MNLOG&gt; &lt;TestRunnerUnit - Random Number generated : 13&gt; &lt;Mon Aug 5 15:30:39:760.69 IST 2013&gt; | &lt;MNLOG&gt; &lt;TestRunnerUnit - Next Test : CamcorderNoUsb_APstress&gt; &lt;Mon Aug 5 15:30:39:761.01 IST 2013&gt; | &lt;MNLOG&gt; &lt;TestRunnerUnit - Remaining Time : 49 hours 55 min 31 sec &gt; &lt;Mon Aug 5 15:30:39:761.28 IST 2013&gt; | &lt;DBLOG&gt; &lt;TestRunnerUnit - Test Suite : nousb_tests&gt; &lt;Mon Aug 5 15:30:39:761.54 IST 2013&gt; | &lt;DBLOG&gt; &lt;TestRunnerUnit - Running the test : CamcorderNoUsb_APstress&gt; &lt;Mon Aug 5 15:30:39:761.77 IST 2013&gt; | &lt;DBLOG&gt; &lt;TestRunnerUnit - Timeout for the test : 1500&gt; &lt;Mon Aug 5 15:30:39:762.01 IST 2013&gt; | &lt;DBLOG&gt; &lt;TestRunnerUnit - Parameters : 1&gt; &lt;Mon Aug 5 15:30:40:017.74 IST 2013&gt; | &lt;MNLOG&gt; &lt;TestRunnerUnit - Test Case : CamcorderNoUsb_APstress&gt; &lt;Mon Aug 5 15:30:40:018.47 IST 2013&gt; | &lt;DBLOG&gt; &lt;TestRunnerUnit - uses spiderboard: 0&gt; &lt;Mon Aug 5 15:32:34:136.59 IST 2013&gt; | &lt;MNLOG&gt; &lt;TestRunnerUnit - Random Number generated : 13&gt; &lt;Mon Aug 5 15:32:34:137.16 IST 2013&gt; | &lt;MNLOG&gt; &lt;TestRunnerUnit - Next Test : WallpaperToggle_APstress&gt; &lt;Mon Aug 5 15:32:34:137.60 IST 2013&gt; | &lt;MNLOG&gt; &lt;TestRunnerUnit - Remaining Time : 49 hours 53 min 36 sec &gt; &lt;Mon Aug 5 15:32:34:137.92 IST 2013&gt; | &lt;DBLOG&gt; &lt;TestRunnerUnit - Test Suite : feature_tests&gt; &lt;Mon Aug 5 15:32:34:138.15 IST 2013&gt; | &lt;DBLOG&gt; &lt;TestRunnerUnit - Running the test : WallpaperToggle_APstress&gt; &lt;Mon Aug 5 15:32:34:138.38 IST 2013&gt; | &lt;DBLOG&gt; &lt;TestRunnerUnit - Timeout for the test : 1500&gt; &lt;Mon Aug 5 15:32:34:138.61 IST 2013&gt; | &lt;DBLOG&gt; &lt;TestRunnerUnit - Parameters : 3&gt; &lt;Mon Aug 5 15:32:34:392.25 IST 2013&gt; | &lt;MNLOG&gt; &lt;TestRunnerUnit - Test Case : WallpaperToggle_APstress&gt; &lt;Mon Aug 5 15:32:34:392.97 IST 2013&gt; | &lt;DBLOG&gt; &lt;TestRunnerUnit - uses spiderboard: 0&gt; &lt;Mon Aug 5 15:32:36:395.53 IST 2013&gt; | &lt;MNLOG&gt; &lt;Installation - Waking the Device up and Unlocking it&gt; &lt;Mon Aug 5 15:32:36:396.17 IST 2013&gt; | &lt;DBLOG&gt; &lt;KeyMap_APstress - ADB keyevent : 6&gt; &lt;Mon Aug 5 15:33:36:407.53 IST 2013&gt; | &lt;DBLOG&gt; &lt;APStress_Command - Timeout on command: adb shell input keyevent 6&gt; </code></pre>
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    1. COIt would be so much better if you posted a larger snippet from the log file, without your comments in the log file. That will give an exact idea of the input format.
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    2. COsee http://perldoc.perl.org/perlre.html#Capture-groups
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    3. COThere is no `Duration` line in the longer sample that you show.
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