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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4.  
  5. public class Test
  6. {
  7. 	public static void Main()
  8. 	{
  9. 		var list = new List<String>(){
  10.                     "CM901K_Spare_parts_EN_rev.04-2", 
  11.         	    "CM901K_Spare_parts_EN_rev.04-1",
  12.                     "CM901K_Spare_parts_EN_rev.04-3",
  13.                     "rev.04-2",
  14. 		    "CM_Manual_EN_rev.01", 
  15. 		    "CM_Manual_EN_rev.02",  
  16. 		    "CM_Manual_EN_REV.05",   
  17. 		    "CM_Manual_EN_REV.06",   
  18. 		    "CM_Manual_EN_REV.07",   
  19. 		    "CM12-CM6K_Spare_parts_DK_rev.01",    
  20. 		    "CM12-CM6K_Spare_parts_DK_rev.03",   
  21. 		    "BT_Dansk_Manual_NOM",
  22. 		    "CM_Svensk_Manual",
  23. 		    "CM901-CM30_Manual_RUS",
  24. 		    "D_Polsk_Manual",
  25. 		    "HPB_spansk_old"
  26. 		 };
  27. 		 var withRev = list.Where(s => s.IndexOf("rev.", StringComparison.OrdinalIgnoreCase) > -1);
  28.             	 var withoutRev = list.Except(withRev);
  29. 		 var orderedWithRev = withRev
  30. 		        .Select(r => { 
  31. 		            int RevIndex = r.LastIndexOf("rev.", StringComparison.OrdinalIgnoreCase);
  32. 		            String[] tokens = r
  33. 		                .Substring(RevIndex + "rev.".Length)
  34. 		                .Split(new[] { '-' }, StringSplitOptions.RemoveEmptyEntries);
  35. 		            return new
  36. 		            {
  37. 		                Item = r,
  38. 		                RevIndex,
  39. 		                RevisionItem = r.Substring(0, RevIndex),
  40. 		                MainRevision = int.Parse(tokens[0]),
  41. 		                SubRevision  = tokens.Length > 1 ? int.Parse(tokens[1]) : 0
  42. 		            };
  43. 		        })
  44. 		        .GroupBy(x => x.RevisionItem.ToLower())
  45. 		        .Select(g => g
  46. 		            .OrderByDescending(x => x.MainRevision)
  47. 		            .ThenByDescending( x => x.SubRevision)
  48. 		            .First().Item);
  49.  
  50. 		// demo
  51.                 Console.Write(String.Join(Environment.NewLine, withoutRev.ToArray()));
  52. 		Console.Write(String.Join(Environment.NewLine, orderedWithRev.ToArray()));
  53. 	}
  54. }
Success #stdin #stdout 0.06s 38400KB
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stdin
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Standard input is empty
stdout
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BT_Dansk_Manual_NOM
CM_Svensk_Manual
CM901-CM30_Manual_RUS
D_Polsk_Manual
HPB_spansk_oldCM901K_Spare_parts_EN_rev.04-3
rev.04-2
CM_Manual_EN_REV.07
CM12-CM6K_Spare_parts_DK_rev.03
https://ideone.com/fGFZ7
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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