thanks. but I tried your solution by putting "1;" at the end of mysub.pm. But it still fails, same error message. 
sub mysub1{
  # somecodes
}

sub mysub2{
  # somecodes
}

1;

[download]
"happens at runtime" is slower than "compile time" ?

In reply to Re^2: Using "USE" instead of "DO" for subroutines call in external file by Anonymous Monk
in thread Using "USE" instead of "DO" for subroutines call in external file by Anonymous Monk

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