Re^2: iterating through array and saving matches to new array

&& imposes scalar boolean context on the first argument. Therefore, the grep on line 4 iterates over @d only provided @b and @c aren't empty. To iterate over several arrays, use comma:

my @newb =  grep $_ > 850, @b, @c, @d;
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It's also a good idea to test the code before posting here ;-)

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,
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