this should be 0 as the command execution is succesful

The fine manual says you should only check $! (or $?) after a system call fails 

open ... or die $!;
close ... or die $!;
print ... or die $!;

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Its the only time the value of $!/$? is meaningful

In reply to Re: How to know the status of a command invoked by open function? by Anonymous Monk
in thread How to know the status of a command invoked by open function? by zhujian0805

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