averaging columns


 
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# 8  
Old 09-02-2011
how about

Code:
 
grep -c . data.txt  # but this will omit empty lines
nawk 'END{print NR}' data.txt

# 9  
Old 09-02-2011
Ok, this gives me another idea. Instead of counting lines I could use NR:
Code:
for i in $(seq 2 201); do
 awk -v c=$i 'NR>1 {s+=$c}; END {printf ("%f ", s/(NR-1))}' data.txt
done
echo

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