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how to find a sum of multiple numbers

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# 1  
Old 06-16-2008
how to find a sum of multiple numbers
I have a command which returns some numbers as follows:
$ls -l ${dbname}.ix* | awk '{print $5 }'
929792
36864
57344
73728
53248
114688
How can I find the sum of those numbers by piping this output into 'awk' or some other editor/command? Thanks a lot -A
# 2  
Old 06-16-2008
One approach, by way of temp file
Just off the top of my head:

Code:
ttotal=0
ls -l ${dbname}.ix* | awk '{print $5 } >tempdat
while read zf
   do
   tvalue="$zf"
   ttotal=$((ttotal+tvalue))
done <tempdat

echo $ttotal

Note: to add, you could also try the following command with the "bc" option (calculator)
Code:
ttotal=$(echo $ttotal + $zf | bc)

Last edited by joeyg; 06-16-2008 at 02:59 PM.. Reason: to show another way of adding data
# 3  
Old 06-16-2008
Code:
$ls -l ${dbname}.ix* | awk '{print $5;s+=$5}END{print "Sum :" s}'

Regards
# 4  
Old 06-16-2008
another way:
Code:
ls -l ${dbname}.ix* | awk '{sum+= $5; print $5 } END {print sum}'

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