02-01-2009
if that wont work.......?
If awk cant do this directly, does it make and sense to first take the part number which is the first 15 characters and dump it to a temp file, then run uniq on it. afterwards do something like:
#filter_sum.awk
/PARTNUM/ { sum+=$2}
END { print sum }
except instead of /PARTNUM/ so some sort of
for x in `cat sum.awk.tempfile`;do gawk '{ /$x/ { sum+=$2} END { print sum }'
i havent gotten it to work yet but need some opinions on whether this is the right way..
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LEARN ABOUT OPENSOLARIS
sum
sum(1B) SunOS/BSD Compatibility Package Commands sum(1B)
NAME
sum - calculate a checksum for a file
SYNOPSIS
/usr/ucb/sum file...
DESCRIPTION
sum calculates and displays a 16-bit checksum for the named file and displays the size of the file in kilobytes. It is typically used to
look for bad spots, or to validate a file communicated over some transmission line. The checksum is calculated by an algorithm which may
yield different results on machines with 16-bit ints and machines with 32-bit ints, so it cannot always be used to validate that a file has
been transferred between machines with different-sized ints.
USAGE
See largefile(5) for the description of the behavior of sum when encountering files greater than or equal to 2 Gbyte ( 2^31 bytes).
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWscpu |
+-----------------------------+-----------------------------+
SEE ALSO
sum(1), wc(1), attributes(5), largefile(5)
DIAGNOSTICS
Read error is indistinguishable from EOF on most devices; check the block count.
NOTES
sum and /usr/bin/sum (see sum(1)) return different checksums.
This utility is obsolete.
SunOS 5.11 8 Nov 1995 sum(1B)