diff --git a/regain b/regain
index 85596da..197306f 100755
--- a/regain
+++ b/regain
@@ -22,16 +22,26 @@
 # SOFTWARE.
 
 import os
+import sys
 import subprocess
 import logging
 import argparse
 
 FORMATS = ["flac", "m4a", "aac", "alac", "mp3", "m3a", "ogg", "opus", "oga"]
 PATH_TO_REGAINER = "./regainer.py"
+DESCRIPTION = """
+regain - Calls regainer.py on any albums found in subdirectories.
+\n\n
+Run the regain command in a directory that contains albums and ReplayGain tags will be
+added to the files, including album tags.
+\n\n
+regain will walk through all subdirectories so can be run in your 'Music' folder, or
+individual artist/album folders and tag as many albums as neccessary.
+"""
 
 def parse_arguments():
-    parser = argparse.ArgumentParser(description='Call regainer.py on subdirectories containing music files')
-    parser.add_argument('--debug', action='store_true', help='Enable debug logging')
+    parser = argparse.ArgumentParser(description=DESCRIPTION)
+    parser.add_argument('--debug', action='store_true', help='Enable debug logging (including regainer output)')
     return parser.parse_args()
 
 def configureLogging(debug_mode = False):
@@ -64,7 +74,12 @@ if __name__ == "__main__":
     logging.debug("Debug logs enabled")
     file_lists = find_files_by_extension(workdir)
     logging.debug(f"File lists: {file_lists}")
-    logging.info(f"Files for processing: {countFiles(file_lists)}")
+    file_count = countFiles(file_lists)
+    if file_count == 0:
+        logging.error("No files to process")
+        print("You should run this command from the parent directory of any album folders")
+        sys.exit(1)
+    logging.info(f"Files for processing: {file_count}")
 
     cmd = ["python", PATH_TO_REGAINER, "-f"]
     for sublist in file_lists:
diff --git a/regains b/regains
deleted file mode 100644
index ca4fa3c..0000000
--- a/regains
+++ /dev/null
@@ -1,81 +0,0 @@
-#!/usr/bin/perl
-
-use strict;
-use warnings;
-use Cwd;
-use File::Find;
-use Getopt::Long;
-
-my @FORMATS = ("flac", "m4a", "aac", "alac", "mp3", "m3a", "ogg", "opus", "oga");
-my $PATH_TO_REGAINER = "./regainer.py";
-my $debug = 0;
-
-# Parse command-line arguments
-GetOptions("debug" => \$debug);
-
-# Configure logging
-if ($debug) {
-    $| = 1; # Disable buffering for STDOUT
-    print "Debug logs enabled\n";
-}
-
-my $workdir = getcwd();
-print "regain.pl WorkDir: $workdir\n";
-
-my @file_lists = find_files_by_extension($workdir);
-print "Files for processing: ", countFiles(\@file_lists), "\n";
-
-my @cmd = ("python", $PATH_TO_REGAINER, "-f");
-
-foreach my $sublist (@file_lists) {
-    push @cmd, "-a";
-    push @cmd, @$_ foreach @$sublist;
-}
-
-print "Running command: @cmd\n";
-print "Running regainer.py\n";
-
-if ($debug) {
-    open my $stdout_saved, ">&STDOUT";
-    open my $stderr_saved, ">&STDERR";
-    open STDOUT, ">", undef;
-    open STDERR, ">", undef;
-
-    my $result = system(@cmd);
-
-    open STDOUT, ">&", $stdout_saved;
-    open STDERR, ">&", $stderr_saved;
-
-    print "regainer.py has exited with code $result\n";
-    if ($result != 0) {
-        print "You can re-run with --debug to view the output from regainer\n";
-    } else {
-        print "Files successfully tagged\n";
-    }
-} else {
-    system(@cmd);
-}
-
-sub find_files_by_extension {
-    my ($workdir) = @_;
-    my @file_lists;
-
-    find(sub {
-        if (-f && /\.(@FORMATS)$/) {
-            push @{$file_lists[-1]}, $File::Find::name;
-        }
-    }, $workdir);
-
-    return \@file_lists;
-}
-
-sub countFiles {
-    my ($file_list_of_lists) = @_;
-    my $count = 0;
-
-    foreach my $item (@$file_list_of_lists) {
-        $count += scalar(@$item);
-    }
-
-    return $count;
-}