ref: a0e02ac3596e4e0b0b31acc28bcfc79ed5b1e09b dir: /sm2cinadd/
#!/bin/rc diff <{ls *.pdf | sort} <{awk '{print $5}' db0 | sort} || sed -n '/^[0-9]/d;s/< /2.5 0 0 0 /p'