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  1. or download this
    #!/usr/bin/env perl -l

...
BEGIN {
    print 'Host: ', $host;
}
  2. or download this
    $ pm_1125079_begin_before_use.pl
Use of uninitialized value $host in print at ./pm_1125079_begin_before
+_use.pl line 9.
Host:
  3. or download this
    #!/usr/bin/env perl -l

...
BEGIN {
    print 'Host: ', $host;
}
  4. or download this
    $ pm_1125079_begin_before_use.pl
Host: localhost