size of e-mail

Hi there,

How can I determine the size of e-mail?
I have the following recipe:

JUNKBOX=${HOME}/Junk
FORMAIL=/usr/local/bin/formail
ECHO=/bin/echo
FROM=`${FORMAIL} -z -rt -xTo:`

:0
* > 10240
{

JUNKLOG=${HOME}/junk.log

        :0 Wic
        * ? test -w ${JUNKLOG}
        | ${ECHO} A message from ${FROM} >> ${JUNKLOG}

        :0
        ${JUNKBOX}/
}

I would like to replace the line with ${ECHO} with something like this:

| ${ECHO} A message from ${FROM} size: ${SIZE} >> ${JUNKLOG}

The question is how can I calculate a ${SIZE} variable?

---
Can't Rain All the Time

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