memsweep-edit.sh

#!/bin/bash
BASEDIR=$(dirname "$0")
EXECUTABLE="$BASEDIR/memsweep"
if [ ! -e $EXECUTABLE ] ; then
# echo "Compiling memsweep.c (requires GNU compiler collection) "
	gcc -O -o memsweep memsweep.c -lm
fi

declare -a results
results=()
# We will run the script for a maximum of 15 seconds (between 10 and 20)
end=$((SECONDS+15))
# We will make sure we don't enter if we have already passed 15
while [ $SECONDS -lt $end ]; do 
# We will use this to timeout our execution

       	((time_left=$end-$SECONDS))
        
       	if [ "$SYSTEMROOT" = "C:\Windows" ] ; then
# The most important command here is timeout
# We must stop execution after 15 seconds and we will keep running the simulation in a loop
# Every iteration reduces the available time left
# This way it is impossible to go over the time limit
                result= $(timeout $time_left ./memsweep.exe | sed "s/[[:blank:]]\+/ /g" | cut -d " " -f 7) 
        else
            	result=$(timeout $time_left ./${EXECUTABLE} | sed "s/[[:blank:]]\+/ /g" | cut -d " " -f 7)
		
        fi
# If we had to ttimeout our execution than we will only add the result if it is not empty
	
        if ! [ -z "$result" ] ; then
		results+=($result)

        fi
done

# This function sorts our array in ascending order and creates a new array from that
IFS=$'\n' sorted_array=($(sort <<<"${results[*]}"))
unset IFS
#for i in ${sorted_array[@]}; do echo $i; done

# We need the length of our array to find the median
length=${#results[@]}

if (( $length % 2 == 0 )) ; then
# We need complicated echo to work with floating point numbers
        echo $(echo "scale=3; (${sorted_array[($length-1)/2]}+${sorted_array[($length-1)/2 + 1]}) / 2" | bc -l)
else 
# If its odd we just output the middle value
     	echo ${sorted_array[$length / 2]}
fi