awk sum numbers after a separator -

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i need simple awk calculate sum of number @ end of file looks this:

/z02/abcd/stuff/abc_def_02/count/abc_def_02_abcde66.log.20120605_101201_015.log.gz:28 /z02/abcd/stuff/abc_def_02/count/abc_def_02_abcde66.log.20120605_101202_015.log.gz:28 /z02/abcd/stuff/abc_def_02/count/abc_def_02_abcde66.log.20120605_101203_015.log.gz:28 /z02/abcd/stuff/abc_def_02/count/abc_def_02_abcde66.log.20120605_101204_015.log.gz:28

so numbers after ":" need added together

echo "....." | awk '-f:' '{total+=$nf}end{print "sumtotal=" total}'

you can, of course, leave out "sumtotal=" part, depending on needs.

i hope helps.


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