Awk examples: Difference between revisions
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column3 column4 | column3 column4 | ||
sum all volumes in a column: | |||
awk '{ SUM += $1} END {print SUM }' | awk '{ SUM += $1} END {print SUM }' | ||
Revision as of 21:34, 19 June 2015
ignore first columns and print rest
[maarten.tikal] ➤ echo 'column1 column2 column3 column4' | awk '{print substr($0, index($0,$3))}'
column3 column4
sum all volumes in a column:
awk '{ SUM += $1} END {print SUM }'