By way of preamble, consider this example from Unix. Suppose that /some/path/foo
and /some/other/path/foo
are both available executables. Also, suppose that both /some/path
and /some/other/path
are present in the $PATH
environment variable, with /some/path
appearing first. Then, if I run
% foo
the foo
that gets run is /some/path/foo
. That's what the $PATH
variable is all about.
Nevertheless , I can always invoke the other foo
by referring to it by its full path, like this:
% /some/other/path/foo
IOW, once I refer to the command by its full path, no name resolution needs to happen, so $PATH
plays no role in deciding which foo
gets run.
Importantly, this mechanism does not require modifiying the $PATH
variable. One just sidesteps it.
With this example in mind, does MATLAB provide a way (other than changing the search path) to run a function foo
from a file different from the first candidate file in the MATLAB search path?
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