function getmem(  x, f, res) {
   while ((cmd | getline x) > 0) {
      if (x ~ /gawk.*mem/) {
	 split(x, f)
	 if (f[2] ~ /gawk/) {
	    res = f[1]
	    break
	 }
      }
   }
   close(cmd)
   return res
}

BEGIN {
	mom_version = "fubar"
	cmd = "ps -u $USER -o rss,command"
	base = getmem()
}

{
       gsub("\r","") ; gsub(/#.*$/,"")
       if (fixram==1) {
	       if (mom_version !~ sprintf("%s",$1)) next
       }
       else if (mom_version !~ $1) next
}

END {
	printf "RSS per record = %.2f\n", (getmem()-base)/NR
}