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SUB my_func COMMAND1 COMMAND2 ENDSUB CALL my_func
sub my_func { command1; command2; } my_func;
$;=sub{$/};@;=map{my($a,$b)=($_,$;);$;=sub{$a.$b->()}} split//,".rekcah lreP rehtona tsuJ";$\=$ ;->();print$/