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Top Forums Shell Programming and Scripting Average, min and max in file with header, using awk Post 302771306 by pamu on Wednesday 20th of February 2013 08:49:43 AM
Old 02-20-2013
Code:
$  awk 'NR>1{a+=$NF;
  max=max>$NF?max:$NF;
  min=min>$NF||!min?$NF:min}
  END{print a/(NR-1),max,min}' file

0.0113093 0.01961 0.003118

This User Gave Thanks to pamu For This Post:
 

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TAU_GET_EVENT_VALS(3)					      TAU Instrumentation API					     TAU_GET_EVENT_VALS(3)

NAME
TAU_GET_EVENT_VALS - Gets user event data for given user events. SYNOPSIS
C/C++: TAU_GET_EVENT_VALS(const char **inUserEvents, int numUserEvents, int **numEvents, double **max, double **min, double **mean, double **sumSqe); DESCRIPTION
Retrieves user defined event data for the specified user defined events. The list of events are specified by the first parameter (eventList) and the user specifies the number of events in the second parameter (numUserEvents). TAU returns the number of times the event was invoked in the numUserEvents. The max, min, mean values are returned in the following parameters. TAU computes the sum of squares of the given event and returns this value in the next argument (sumSqe). EXAMPLE
C/C++ : const char **eventList; int numEvents; TAU_GET_EVENT_NAMES(eventList, numEvents); cout << "numEvents: " << numEvents << endl; if (numEvents > 0) { int *numSamples; double *max; double *min; double *mean; double *sumSqr; TAU_GET_EVENT_VALS(eventList, numEvents, numSamples, max, min, mean, sumSqr); for (int i=0; i<numEvents; i++) { cout << "------------------- "; cout << "User Event: " << eventList[i] << endl; cout << "Number of Samples: " << numSamples[i] << endl; cout << "Maximum Value: " << max[i] << endl; cout << "Minimum Value: " << min[i] << endl; cout << "Mean Value: " << mean[i] << endl; cout << "Sum Squared: " << sumSqr[i] << endl; } } } SEE ALSO
TAU_REGISTER_EVENT(3), TAU_REGISTER_CONTEXT_EVENT(3), TAU_GET_EVENT_NAMES(3) 08/31/2005 TAU_GET_EVENT_VALS(3)
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