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/usr/share/doc/liberror-perl/examples/warndie.pl
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#!/usr/bin/perl -w # Usage: perl warndie.pl [1 or true or whatever if you want to use warndie] require Error; if( $ARGV[0] ) { import Error qw( :warndie ); print "Imported the :warndie tag.\n"; print "\n"; } else { print "Running example without the :warndie tag.\n"; print "Try also passing a true value as \$ARGV[0] to import this tag\n"; print "\n"; } sub inner { shift->foo(); } sub outer { inner( @_ ); } outer( undef );
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