Difference between revisions of "Awk examples"

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(Created page with "==ignore first columns and print rest== [maarten.tikal] ➤ echo 'column1 column2 column3 column4' | awk '{print substr($0, index($0,$3))}' column3 column4")
 
(ignore first columns and print rest)
 
(2 intermediate revisions by the same user not shown)
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  [maarten.tikal] ➤  echo 'column1 column2 column3 column4' | awk '{print substr($0, index($0,$3))}'
 
  [maarten.tikal] ➤  echo 'column1 column2 column3 column4' | awk '{print substr($0, index($0,$3))}'
 
  column3 column4
 
  column3 column4
 +
 +
sum all values in a column:
 +
 +
awk '{ SUM += $1} END {print SUM }'

Latest revision as of 16:55, 20 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 values in a column:

awk '{ SUM += $1} END {print SUM }'