Difference between revisions of "Find average of a field on command line"

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

Revision as of 10:39, 3 January 2014

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




blog comments powered by Disqus