$ alias perle alias perle='perl -Mstrict -Mwarnings -Mautodie=:all -MCarp::Always -E' $ perlbrew list * perl-5.34.0 perl-5.33.5 perl-5.32.0 perl-5.30.0 $ perle 'use 5.034; no warnings "experimental::try"; use feature "try"; try { 1 == 2 } catch($e) { }' $ perlbrew switch perl-5.32.0 $ perle 'use 5.034; no warnings "experimental::try"; use feature "try"; try { 1 == 2 } catch($e) { }' Perl v5.34.0 required--this is only v5.32.0, stopped at -e line 1. main::BEGIN() called at -e line 1 eval {...} called at -e line 1 BEGIN failed--compilation aborted at -e line 1.