> perl prog_name
> prog_name
> perl -e "... perl code ..."

##</code><code>##

print "Hit enter when done: "; <>;

##</code><code>##

$ perl -Mstrict -Mwarnings -E '
    say "Your program runs and displays output here ...";

    print "Hit enter when done: "; <>;
'
Your program runs and displays output here ...
Hit enter when done: