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=head1 SYNOPSIS

this module allows

  use ARGV::readonly;
  while(<>){
       ...

to be safer in hostile environments where one is bullheaded enough to
give * as the command line argument.  See rants on P5P from July, 2008.

=head1 DESCRIPTION

the code is shorter than the documentation.  Please look at it.

=head2 EXPORT

None by default.

=head1 TO DO