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| Rev | Author | Line No. | Line | 
|---|---|---|---|
| 43 | - | 1 | // ============================================================================ | 
        
| 2 | // Create | 
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| 3 | // name  : Andre Rikkert de Koe          date:   Mar 2018 | 
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| 4 | // descr : filefind | 
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| 5 | //         This is a demo of programming in the Pascal language. | 
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| 6 | //         Its part of a project to implement a program to create a directory | 
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| 7 | //         tree similar to the output of the Unix find program. | 
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| 8 | // EUID  : Any user who has read access to all the files being searched for. | 
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| 9 | // run   : interactive | 
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| 10 | // | 
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| 11 | // Changes | 
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| 12 | // name  :                               date: | 
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| 13 | // descr : short description | 
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| 14 | // | 
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| 15 | // ============================================================================ | 
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| 16 | |||
| 29 | - | 17 | program filefind;  | 
        
| 31 | - | 18 | Uses sysutils;  | 
        
| 29 | - | 19 | var directory : string;  | 
        
| 37 | - | 20 | var progname : string;  | 
        
| 29 | - | 21 | |
| 31 | - | 22 | // ============================================================================ | 
        
| 23 | // Functions | 
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| 24 | // ============================================================================ | 
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| 25 | |||
| 37 | - | 26 | procedure Usage(mesg : string);  | 
        
| 27 | begin | 
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| 28 | Writeln('Usage: ' + progname + ' directory');  | 
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| 29 | Writeln(mesg);  | 
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| 30 | end;  | 
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| 31 | |||
| 29 | - | 32 | procedure traverse(directory : string);  | 
        
| 33 | var curdir1, curdir2 : string;  | 
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| 30 | - | 34 | Info : TSearchRec;  | 
        
| 29 | - | 35 | pfile : string;  | 
        
| 36 | begin | 
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| 37 | curdir1 := GetCurrentDir;  | 
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| 38 | chdir(directory);  | 
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| 39 | curdir2 := GetCurrentDir;  | 
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| 30 | - | 40 | FindFirst(directory + '/*', faAnyFile or faHidden, Info);  | 
        
| 29 | - | 41 |         repeat | 
        
| 30 | - | 42 | if ((Info.name <> '..') and (Info.name <> '.'))  | 
        
| 29 | - | 43 |                 then | 
        
| 44 |                         begin | 
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| 30 | - | 45 | pfile := curdir2 + '/' + Info.name;  | 
        
| 29 | - | 46 | Writeln(pfile);  | 
        
| 47 | if (DirectoryExists(pfile))  | 
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| 48 |                         then | 
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| 49 | traverse(pfile)  | 
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| 50 |                         end | 
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| 30 | - | 51 | until FindNext(Info) <> 0;  | 
        
| 29 | - | 52 | chdir(curdir1);  | 
        
| 53 | end;  | 
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| 54 | |||
| 55 | procedure start_traverse(directory : string);  | 
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| 56 | begin | 
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| 57 | Writeln(directory);  | 
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| 58 | traverse(directory);  | 
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| 59 | end;  | 
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| 60 | |||
| 31 | - | 61 | // ============================================================================ | 
        
| 62 | // Main | 
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| 63 | // ============================================================================ | 
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| 64 | |||
| 29 | - | 65 | begin | 
        
| 37 | - | 66 | progname := ParamStr(0);  | 
        
| 29 | - | 67 | directory := ParamStr(1);  | 
        
| 30 | - | 68 | if (ParamCount = 1)  | 
        
| 29 | - | 69 |         then | 
        
| 30 | - | 70 | if DirectoryExists(directory)  | 
        
| 71 |                 then | 
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| 72 | start_traverse(directory)  | 
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| 73 |                 else | 
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| 37 | - | 74 | Usage('ERROR: Not a directory : ' + directory)  | 
        
| 29 | - | 75 |         else | 
        
| 37 | - | 76 | Usage('ERROR: 1 argument expected');  | 
        
| 29 | - | 77 | end.  |