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679
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1 module cn.kuehne.uniquefile;
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2
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3 private import std.file;
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4 private import std.stdio;
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5 private import std.path;
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6
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7 private char[][char[]] known;
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8 private uint doppelgaenger;
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9
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10 private char[] lastPathElem(char[] path){
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11 size_t end=path.length-1;
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12 size_t start;
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13
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14 for(end = path.length-1; path[end]==std.path.sep[0]; end--){
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15 if(end==0){
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16 return std.path.sep;
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17 }
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18 }
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19
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20 for(start = end-1; start<start.max; start--){
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21 if(path[start]==std.path.sep[0]){
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22 break;
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23 }
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24 }
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25
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26 if(start==start.max){
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27 start=0;
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28 }else{
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29 start+=1;
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30 }
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31 return path[start .. end+1];
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32 }
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33
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34 private void add(char[] file){
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35 char[] base = lastPathElem(file);
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36
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37 if(isfile(file)){
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38 char[]* tmp = base in known;
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39 if(tmp){
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703
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40 fwritef(stdout, "%s :\n\t%s\n\t%s\n", base, file, *tmp);
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679
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41 doppelgaenger++;
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42 }else{
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43 known[base] = file;
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44 }
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45 }
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46
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47 if(isdir(file) && (base[0]!='.')){
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48 foreach(char[] entry; listdir(file)){
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49 add(file~std.path.sep~entry);
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50 }
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51 }
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52 }
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53
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54 int main(char[][] args){
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55 if(args.length<2){
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56 fwritef(stderr, "at least one directory name is required as argument\n");
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57 return -1;
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58 }
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59
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60 doppelgaenger = 0;
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61
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62 foreach(char[] file; args[1 .. args.length]){
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63 if(file=="."){
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64 file=getcwd();
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65 }
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66 add(file);
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67 }
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696
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68
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69 version(verbose){
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70 foreach(char[] entry; known.keys.sort){
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707
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71 fwritef(stderr, "\t%s\n", known[entry]);
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696
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72 }
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73 }
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679
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74
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703
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75 fwritef(stdout, "hits : %s\n", doppelgaenger);
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679
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76
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77 return doppelgaenger > 0;
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703
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78 }
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