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Print the sum of a column in a text file

rated 0 times [  0] [ 0]  / comments: 0 / hits: 410  / 2 yaers ago, thu, feb 23, 2017, 11:51:30
Using awk, print the sum of the 3rd column in test2.txt
awk 'BEGIN {sum=0} {sum=sum+$3} END {print sum}' test2.txt
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rob

rob

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