Hi Monks!
Question of a better way of doing this. I need to build dynamically, new file names based on the year-month format, but noticing that the first date has to be the last month of the previous year or “file_name_201212”, and the last date needs to be the current year till November or “file_name_201311” . My code works but I am not sure if I am over doing it or if there would be a better and more straight forward way to accomplish the same thing more efficiently.
The results expected is this (also from the code I am posting ).
 file_name_201212
 file_name_201301
 file_name_201302
 file_name_201303
 file_name_201304
 file_name_201305
 file_name_201306
 file_name_201307
 file_name_201308
 file_name_201309
 file_name_201310
 file_name_201311

[download]

Here is my code:
#!/usr/bin/perl

use strict;
use warnings;
use POSIX qw/strftime/;

my $this_year = strftime('%Y',localtime);

my $dates = build_file_names();

foreach my $new_file_names (@$dates) {

  print " $new_file_names\n";

  }
  
sub build_file_names {
    
my $last_year = $this_year-1;
my $stop_date = $this_year."12";
my @db_date;

for my $year ($this_year..$this_year) {
    
    for my $month (1..12) {
        my $db_date = sprintf "%d%02d", $year,$month;
        last if ($db_date eq "$stop_date");    
        push @db_date, "file_name_".$db_date;

    }
}

unshift (@db_date, "file_name_".$last_year."12");

 return (\@db_date);

} # End sub build_file_names

[download]
Thanks for looking!

In reply to Year-month for file names by Anonymous Monk

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