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Name "main::saw" used only once: possible typo at
Name "main::resultcode" used only once: possible typo at 
...
Use of uninitialized value in concatenation (.) or string at 
Use of uninitialized value in concatenation (.) or string at 
2001 :  2007 :  5012 :  5011 :  5030 :  5033 :  Unique result codes pr
+oduced

Global symbol "@saw" requires explicit package name at
Global symbol "$vtr" requires explicit package name at
...
Global symbol "%resultcode" requires explicit package name at 
Global symbol "$vtr" requires explicit package name at 
Execution ... aborted due to compilation errors.