Adding up columns of numbers...

[Lord Frith]

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	Subject: Need instruction for sum-column srcipt
	
	Please mail me (or post on net) the instruction on you
	column-summing shell script
	
	I tried something like  "sum-column t1" where t1 is a file
	containing 3 columns of numbers. The output is just a listing
	of t1 but without any total.

I think I know the problem.  I'll bet your file has ONLY columns of
numbers in it and know description strings in field one.  Make sure
that columns of numbers are seperated by tabs (the script uses a tab
for its FS).  Spaces are okay within the description strings.

La....

Rent				$868		$865		$865

Electricity (average)		$80		$50		$50

Phone (average)			$68		$65		$65

Gas				$80		$50		$65

Food				$680		$650		$650

If this doesn't work for you then something must have happened to the
awk script on transmission.

Something I have noticed that disturbs me is why awk seems to think
that there is an object between field seperators when that object is
null.  In other words; awk will process three consecutive tabs and say
that there are two fields whose values are null.
-- 

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