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  1. or download this
    > ./crop.pl
Global symbol "$response1" requires explicit package name at ./crop.pl
+ line 41.
Global symbol "$response1" requires explicit package name at ./crop.pl
+ line 48.
Execution of ./crop.pl aborted due to compilation errors.
  2. or download this
    #!/usr/bin/perl

...
    print "not correct!";

}