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How do I install a module and all its dependencies from the commandline, without being prompted for anything, despite my CPAN configuration (or lack thereof)?

April 26, 2017commandline configuration CPAN dependencies install lack module prompted thereof

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How do I install a module and all its dependencies from the commandline, without being prompted for anything, despite my CPAN configuration (or lack thereof)?

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CPAN uses ExtUtils::MakeMaker’s prompt() function to ask its questions, so if you set the PERL_MM_USE_DEFAULT environment variable, you shouldn’t be asked any questions at all (assuming the modules you are installing are nice about obeying that variable as well):