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From: mkhaw@teknowledge-vaxc.ARPA (Mike Khaw)
Newsgroups: comp.unix.questions
Subject: Re: Can't ls -l add file sizes properly??
Message-ID: <19027@teknowledge-vaxc.ARPA>
Date: Thu, 19-Nov-87 14:56:01 EST
Article-I.D.: teknowle.19027
Posted: Thu Nov 19 14:56:01 1987
Date-Received: Sun, 22-Nov-87 02:37:44 EST
References: <456@morgoth.UUCP>
Organization: Teknowledge, Inc., Palo Alto CA
Lines: 14

On Ultrix 1.2, I did

ls -s | tail +2 | awk '{sum += $1} END { print sum }'

and got the same number that the ls "total" printed.  Apparently the
"total" just adds up the number of kilobytes that each file occupies
(rounded up to the nearest kilobyte for each file), so you get accumulated
rounding error.

Mike Khaw
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