How to apply a generated filename to the mex command?

In a .m file, I am able to run mex on a file e.g. mex myfile8_1.c and then successfully call the resulting mex function with myfile8_1()

In fact the "8_1" component may change, so I construct a string and use str2func() to generate the function name to use. However when I construct a string to use as input for mex, mex fails e.g.

script_version = "8_1";
process_filename = strcat("myfile", script_version, ".c");
mex process_filename

This results in an error that no file named process_filename exists in the current directory (but of course "myfile8_1.c" does exist).

Where str2func() is able to convert a string to a function variable, is there something similar which will convert a string into a filename variable in a way acceptable to the mex command?

Alternatively is there a way to tell mex to treat the next input is a variable rather than an actual filename?

Thanks for any help,

chris

Answer 1

[Walter Roberson]

script_version = "8_1";
process_filename = strcat("myfile", script_version, ".c");
mex(process_filename)

[Christoph]

If I have additional .c files to be compiled at the same time, can I then just add more filename variables?

e.g.

mex(process_filename, ran1_filename, gasdev_filename)

(where ran1_filename = "ran1.c" and gasdev_filename = "gasdev.c") ??

It seems to work.

Thanks,

chris