cmdok checks that specified commands are OK. If command is OK than it exists in PATH and can be run.
It is a simple, small and portable Bash script. It is useful in software packages that want to check that some commands exist before trying to run them.
See wiki for more information and examples.
MANTIS is a hybrid high level programming language and tools optimized to crank out "line of business" applications. It allows focus on business data and process instead of technology. However, access to low level technologies are available if desired.