@ARGV == 2 or die "usage: $0 input_file output_file\n";

open OUTFILE, '>', "$ARGV[1]temp.csv" or die "Cannot open '$ARGV[1]temp.csv' $!";
open INFILE,  '<', $ARGV[0] or die "Cannot open '$ARGV[0]' $!";

while ( <INFILE> ) {
    chomp;
    $\ = /"$/ ? "\n" : ' ';
    print OUTFILE $_;
    }

close INFILE;
close OUTFILE;