Find average of a field on command line Revision as of 10:39, 3 January 2014 by Arjun Suresh (talk | contribs) (diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

#!/usr/bin/awk -f
# Calculate average, syntax: ./avg.awk field-number file
BEGIN {field = ARGV[1]; ARGV[1] = "" }
{ sum += $field }
END { print sum / NR}

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