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# print every line after replacing each field with its absolute value

/ Published in: Awk
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  1.  # print every line after replacing each field with its absolute value
  2.  awk '{for (i=1; i<=NF; i++) if ($i < 0) $i = -$i; print }'
  3.  awk '{for (i=1; i<=NF; i++) $i = ($i < 0) ? -$i : $i; print }'

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