On 11/1/21 3:10 PM, Taco Hoekwater via ntg-context wrote: >> [...] >> Is there a way to wrap os.exec() in the sample so that it only runs if >> "dir" is available? > > if os.which(‘dir’) then > ... > end > > But note that os.which() may be unreliable in various cases (like it > will fail for shell/command interpreter builtins, in cron jobs, in > special scripted environments, and may incorrectly succeed for > disabled/forbidden commands), as it just runs through the PATH > environment variable to check for executable file existence. Many thanks for your reply, Taco.
This is exactly what I needed. > Often times, it is better to just try to run the command to see if > that produces satisfactory results. It makes sense, but I cannot do that on foreign computers. Many thanks for your help again, Pablo -- http://www.ousia.tk ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________
