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Full Discussion: Average, min and max in file with header, using awk
Top Forums Shell Programming and Scripting Average, min and max in file with header, using awk Post 302771304 by RudiC on Wednesday 20th of February 2013 08:42:12 AM
Old 02-20-2013
Well, you're on the right track, just need to get your ducks in a row. Look at this an adapt to your needs:
Code:
awk     'NR==1  {max=0;min=1}
         NR>1   {sum+=$6
                 if (min>$6) min=$6
                 if (max<$6) max=$6
                 cnt = NR
                }
         END    {print  sum/(cnt-1), min, max}
        ' file
0.0113093 0.003118 0.01961

Some further reading on awk might be really helpful.
This User Gave Thanks to RudiC For This Post:
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LEARN ABOUT DEBIAN

vend::ship::postal

Vend::Ship::Postal(3pm) 				User Contributed Perl Documentation				   Vend::Ship::Postal(3pm)

NAME

       Vend::Ship::Postal -- Calculate US Postal service international rates

SYNOPSIS

	(in catalog.cfg)

	   Database   usps	       ship/usps.txt		  TAB
	   Database   air_pp	       ship/air_pp.txt		  TAB
	   Database   surf_pp	       ship/surf_pp.txt 	  TAB

	(in shipping.asc)

	   air_pp: US Postal Air Parcel
	       crit	       weight
	       min	       0
	       max	       0
	       cost	       e No shipping needed!
	       at_least        4
	       adder	       1
	       aggregate       70
	       table	       air_pp

	       min	       0
	       max	       1000
	       cost	       s Postal

	       min	       70
	       max	       9999999
	       cost	       e Too heavy for Air Parcel

	   surf_pp:    US Postal Surface Parcel
	       crit	       weight
	       min	       0
	       max	       0
	       cost	       e No shipping needed!
	       at_least        4
	       adder	       1
	       aggregate       70
	       table	       surf_pp

	       min	       0
	       max	       1000
	       cost	       s Postal

	       min	       70
	       max	       9999999
	       cost	       e Too heavy for Postal Parcel

DESCRIPTION

       Looks up a service zone by country in the "usps" table, then looks in the appropriate rate table for a price by that zone.

       Can aggregate shipments greater than 70 pounds by assuming you will ship multiple 70-pound packages (plus one package with the remainder).

perl v5.14.2							    2010-03-25						   Vend::Ship::Postal(3pm)
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