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  1. or download this
    #eval { eval { "$config->{client}->{1}->{file}->{1}->{executeInternal}
    +" } };
    
  2. or download this
    eval ( eval { "$config->{client}->{1}->{file}->{1}->{executeInternal}
    +" } );
    
  3. or download this
    #!/usr/bin/perl -w
    
    ...
    # However, if I replace the "{}" with "()" it doesn't throw that error
    +. Could someone please explain why using the 
    # block form does this?
    #eval ( eval { "$config->{client}->{1}->{file}->{1}->{executeInternal}
    +" } );
    
  4. or download this
    <config>
        <client name="1">
    ...
            </file>
        </client>
    </config>