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Awk - select from a list

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#4 (permalink)

02-06-2008

vgersh99

Moderator

Join Date: Feb 2005

Location: Boston, MA

Posts: 3,002

assuming numberList is a file containing 'numbers' to be filtered - one number per line.
And 'myFile' is a file to check the numbers against.

nawk -f simha.awk numberList myFile

simha.awk:

Code:

NR==FNR { numList[$1]; next}
$1 in numList {print $1}