Phil Schaechter wrote:
> I have a program that has an optional GUI which makes use of
> Tk. On machines
> without Tk, the program errors out looking for the Tk
> modules. Currently, I
> am just saying
>
> use Tk;
>
> Is there some method I can use that will prevent it from
> dying in the event Tk
> is not on the current machine? Or, is there a way that I can make it
> not load the Tk modules until I actually need them within the program?
The general solution is to wrap the "use" in an eval():
eval "use Some::Module";
if ($@) {
# module not found or some other problem
}
I'm not sure if there are any caveats with this approach WRT the Tk
module...
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