Another trick with awk to compute mean of a column.
Imagine that you have a file with many lines and you want to compute the mean of the fourth item on each line. E.g:
Lowest value found .2 Lowest value found .4 Lowest value found .6 |
Using the awk tool under Linux, type:
awk '{x+=$4; next} END{print x/NR}' |
and you should get the answer.
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