mysql -NB -u root my_database -e 'show create procedure `myProcedure`' |\
xargs -n 1 -d '\t' echo |\
egrep '^CREATE' |\
xargs --null echo -e >

stackoverflow.com/questions/2518459/mysql-mysqldump-routines-to-only-export-1-stored-procedure-by-name-and-not/7080270#7080270