Function called if path does not exists
on_path_not_exists(fun)
fun | a function, one-side formula or NULL; if missing, returns value of the path.chain.on.path.not.exists option |
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# We'll create an options backup for this example old.options <- options() on_path_not_exists(print) on_path_not_exists()#> function (x, ...) #> UseMethod("print") #> <bytecode: 0x5620685a39f8> #> <environment: namespace:base>options(old.options)