use strict;
use warnings;
use List::Util qw(first);

my %data = (
     date => ['2009-01-01', '2009-01-02', ''],
     correct => ['Article_text1', 'Article_text2'],
);

print @{$data{correct}};
print @{$data{date}};

[download]
This prints out the result. 
Article_text1
Article_text2
2009-01-01
2009-01-02

[download]
But the output should be something like below. The values should be printed in alternative way. 
2009-01-01
Article_text2
2009-01-02

[download]

In reply to Re^4: Alternative values from array and print by gem555
in thread Alternative values from array and print by gem555

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