The value obtained by using an array in scalar context is the number of entries in that array - and an empty string is not a number.

Neither test in the code you provided will print anything, as it is equivalent to this: 

if (0 eq "") { print "TEST1 passed\n"; }
if (0) { print "TEST2 passed\n"; }

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In reply to Re: differences between eq "" and ! by imp
in thread differences between eq "" and ! by Anonymous Monk

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