1

Input File:

1 2 3 4 5 

6 4 2 1 2

3 6 7 8 9 

and so on..

Desired Output:

3

3

6.6

I have many files and each file with different numbers of column but the no. of rows is the same 25000. I want to have the same number of rows but only one column.

Any suggestion by using awk?

2

You can use this:

awk '{for(i=1;i<=NF;i++) t+=$i; print (t/(i-1)); t=0}' filename

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