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  1. or download this
            $outfolder = "REPORT_output\_$year\_$mon\_$mday\_\_$hour\_$min
+\_$sec";
  2. or download this
            $outfolder = "REPORT_output_${year}_${mon}_${mday}__${hour}_${
+min}_$sec";
  3. or download this
    my $msg   = "Hello world";
my $color = 101;                   # Red background
print "\e[${color}m $msg \e[m\n";  # Embed $color in escape sequence