Here is a small piece of code that i couldn't understand. and i get an error as indicated in the comment below. can anyone please explain me the reason for this and what that particular line is doing.

thanks in advance.

foreach $item (@results) {
@line=split/,/, $item;
$seen{$line[1]}="0";
#$seen{$item}=0;
#print "LINE 1 $line[1]\n";
}
foreach $item (@results) {
@line=split/,/, $item;
if ($line[0] =~ /1|6|7|8|9|5/) {
&integrate;
sub integrate {
%matching=();
if ($line[0]=~/6|7|8|/) {
$overlapc=$line[1];
    foreach $itemi (@eresults) {
    @linei=split/,/, $itemi;
        if ($linei[1] eq $line[1]) {
        @matchone=split/ /, $linei[2];
        $lengthandn=$line[4].',', $line[5]; ##error here--- Useless us
+e of array element in void context--can u please tell me what this li
+ne does.
        $matching{$matchone[0]}="$lengthandn";
        $matching{$matchone[1]}="$lengthandn";
        #$seenclone{$matchclone[1]}="1";
#print  "678 line 1 $line[1] Length $lengthandn matchclone $matchclone
+[1] m0 $matchclone[0]\n";
        }
    }

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20040527 Edit by castaway: Changed title from 'newbie- help with a piece of code'

In reply to Help resolve Useless use of array element in void context warning. by talk2kvj

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