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can someone give me your hand
i'm a newcomer to perl
$in = '';@array1
print 'Enter the first array: ';
print 'Enter the second array: ';
foreach $el (@array1)
foreach $el2 (@array2)
if(defined $el2 && $el eq $el2)#what is defined for?
$final[$#final+1] = $el; #$final[$#final+1]?
undef $el2; #what
is undef for?
can u give some examples?