>perl -e"my @precio;open PR,'medicines.txt';@precio=;close PR;chomp(@precio);print(\"\n** MEDICINE PRICES BY DOSES PER MONTH **\n\n\");my $acumes;foreach my $li (@precio){next if ($li=~/^[_#\W]/);my ($med,$uni,$pre)=split(/\t/,$li);my $dos;print('Daily dose of ',$med,'? =>');$dos=<>;$dos=~s/[^\d\.]//g;my $tot=sprintf(\"%6.2f\",$pre/$uni*$dos*31);print(' Costs.................',\" \t\t\t$tot \$\/month.\n\");$acumes+=$tot;}my $lit=\"\nTotal to spend with medicines every month: $acumes \$\n\";print('=' x length($lit),$lit, '=' x length($lit),\"\n\");"