Re: How to test a object name is an executable ?

[Seth David Schoen]

Budi writes:

> Must be pure Bash only to prevent costly execution another

You could use "command -v" or "type -p"/"type -P" somehow instead of
"which".  The details depend on what you want to do in case the command
is intelligible to the shell but is not (directly) an external program,
like in the case of a shell alias, shell function, or shell builtin.