How do I execute a program from within a recipe, and from outside a reci

How do I tell procmail to execute the following line so that the output of the 
perl script is evaluated instead of its exit code?  It converts a text file 
with email addresses, one per line, into (email1|email2|email3) format.

* $ `perl -ne 'END {chop $me; print "($me)"} chomp; $me .= "$_|"; '  \
        $MYADDRESSES`

How do I execute this command as a stand alone command (not from within a 
recipe)?

printf "\n\n${PASS}\t${ORIGFROM}\n\t${ORIGSUBJECT}"  >> ${SPAMQUEUE}

Glen

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