sparslog 0.1.5

SDR receiver for IKEA sparsnäs
Documentation 
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#!/usr/bin/awk -f
{
    col = 3;
    if (!size) size = 5;
    mod = NR%size;
    if (NR <= size) {
	count++;
    }
    else {
	sum -=array[mod];
    };
    sum += $(col);
    array[mod] = $(col);
    print $1 "," sum/count;
}