How to find Oracle EBS R12 file version in Linux/Unix

[applmgr@drapp sql]$ pwd
/u01/applmgr/prodappl/apps/apps_st/appl/mrp/12.0.0/sql
[applmgr@drapp sql]$ ls
MRPAUREL.sql  MRPNLINS.sql  mrppgupd.sql  MRPSPMRP.sql
[applmgr@drapp sql]$ strings -a mrppgupd.sql | grep '$Header'
REM $Header: mrppgupd.sql 120.0 2005/05/25 03:39:47 appldev noship $
[applmgr@drapp sql]$