NEW: added sanity check on user provided parameters to ensure validity and existence. NEW: added check for dependent system programs 'awk' and 'xargs' for existence and version FIX: changed file tests from -d/-e to -s to ensure not just the existence of file but also files are nonzero in size NEW: print system calls to STDERR if running in debug mode
NEW: added sanity check on user provided parameters to ensure validity
and existence.
NEW: added check for dependent system programs 'awk' and 'xargs' for
existence and version
FIX: changed file tests from -d/-e to -s to ensure not just the
existence of file but also files are nonzero in size
NEW: print system calls to STDERR if running in debug mode
CSB5/oncoIMPACT