To remove newlines, just use chomp: 
@SChk_Out = <DChk>;
chomp @SChk_Out;

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BTW, your cat is useless. You can get rid of it as grep accepts filename as an argument: 

my $StatChk = 'grep -v OK /tmp/teststatus.txt';

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لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re: refine output of Dumper by choroba
in thread refine output of Dumper by kaka_2

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