O=$1
shift
objtype=$1
shift

{ ls -p ../$objtype/*.[cs] | sed 's/..$/.'$O/ | tr '
' '|' ; echo } > /tmp/reduce.$pid

echo $* | sed 's/ /\n/g' | grep -v `{sed 's/\./\\./; s/\|$//' /tmp/reduce.$pid}

rm /tmp/reduce.$pid