foreach $aa (@ARGV) { if ($aa eq 'peace'){$cond[0]='peace'; push(@numeri,0 )} elsif ($aa eq 'child'){$cond[1]='child'; push(@numeri,1 )} elsif ($aa eq 'free') {$cond[2]='free'; push(@numeri, 2)} elsif ($aa eq 'love') {$cond[3]='love'; push(@numeri, 3)} elsif ($aa eq) {$cond[4]='enjoy'; push(@numeri, 4)} else {print "\n\n$aa wrong argoument!!! I proceed with @cond\n\n"} } #the possible returned arrays from a sub @car=qw(peace child free love enjoy); #1 #or @car=qw(war child -- love enjoy); #2 #or @car=qw(peace song freedom -- xx); #3 ##############here suggestion please################### $bol=1; foreach $num(@numeri) { last if ($bol==undef); if ($car[$num]eq$cond[$num]){$bol=1}else{$bol=undef} } if (defined $bol){print"boleano=$bol FOUND!"} else{print "NOT found!"}