|  | @@ -8,7 +8,7 @@ namespace ProcessFiles
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				|  |  |  {
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				|  |  |      public static class ProcessFiles
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				|  |  |      {
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				|  |  | -        private static List<string> errors = new();
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				|  |  | +        private static List<string> errors = [];
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				|  |  |  
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				|  |  |          private static Result WhatIsIt(string path)
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				|  |  |          {
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				|  | @@ -22,7 +22,9 @@ namespace ProcessFiles
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				|  |  |              }
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				|  |  |              catch (Exception e)
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				|  |  |              {
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				|  |  | -                errors.Add(e.ToString());
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				|  |  | +                errors.Add($"Problem getting {path} attributes:\n" +
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				|  |  | +                    $"{e.Message} - {e.Source} - {e.TargetSite}");
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				|  |  | +                
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				|  |  |                  return Result.Failure;
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				|  |  |              }
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				|  |  |          }
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				|  | @@ -76,7 +78,7 @@ namespace ProcessFiles
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				|  |  |              }
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				|  |  |              catch (Exception e)
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				|  |  |              {
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				|  |  | -                errors.Add($"{path}:\n{e}");
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				|  |  | +                errors.Add($"{path}:\n{e.Message} - {e.Source} - {e.TargetSite}");
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				|  |  |              }
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				|  |  |          }
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				|  |  |  
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				|  | @@ -102,13 +104,13 @@ namespace ProcessFiles
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				|  |  |                  true => SearchOption.AllDirectories,
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				|  |  |              };
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				|  |  |  
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				|  |  | -            List<string> files = new();
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				|  |  | +            List<string> files = [];
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				|  |  |              foreach (var extension in fileExtensions)
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				|  |  |              {
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				|  |  |                  files.AddRange(Directory.GetFiles(path, $"*.{extension}", searchOption));
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				|  |  |              }
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				|  |  |  
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				|  |  | -            if (!files.Any())
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				|  |  | +            if (files.Count == 0)
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				|  |  |              {
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				|  |  |                  errors.Add($"There are no files in {path} with given extensions ({string.Join(", ", fileExtensions)})!");
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				|  |  |                  return;
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				|  | @@ -120,13 +122,12 @@ namespace ProcessFiles
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				|  |  |  
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				|  |  |          public static IEnumerable<string> Process(IEnumerable<string> arguments, string fileExtension, Action<string> action, bool recursive = false)
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				|  |  |          {
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				|  |  | -            return Process(arguments, new[] {fileExtension}, action, recursive);
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				|  |  | +            return Process(arguments, [fileExtension], action, recursive);
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				|  |  |          }
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				|  |  |  
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				|  |  |          public static IEnumerable<string> Process(IEnumerable<string> arguments, string[] fileExtensions, Action<string> action, bool recursive = false)
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				|  |  |          {
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				|  |  | -            errors = new List<string>();
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				|  |  | -
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				|  |  | +            errors = [];
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				|  |  |              foreach (var argument in arguments)
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				|  |  |              {
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				|  |  |                  switch (WhatIsIt(argument))
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