C++读取文件夹中特定后缀的文件—dirent—vector

[root@localhost 桌面]# g++ temp.cpp -o temp.exe
[root@localhost 桌面]# ./temp.exe
/etc/nginx/html/database/processTemplate/
a
a
2
HeatingRepair.xml
TestNotePad.xml
[root@localhost 桌面]#



temp.cpp

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  1. //indent -npro -kr -i8 -ts8 -sob -l280 -ss -ncs -cp1 *.c *.h *.cpp *.hpp
  2. //indent -npro -kr -i8 -ts8 -sob -l280 -ss -ncs -cp1 *

  4. #include <string.h>
  5. #include <iostream>
  6. #include <vector>
  7. #include <string>
  8. #include <dirent.h>
  9. using namespace std;

  11. typedef vector < string > FilesList;
  12. void ls(const string & sDir, FilesList & files, const char *acExtension);

  14. int main()
  15. {
  16.     FilesList files;
  17.     ls("/etc/nginx/html/database/processTemplate/", files, ".xml");

  19.     cout << files.size() << endl;

  21.     for (int i = 0; i < files.size(); i++)    //ztg add
  22.     {
  23.         cout << files[i] << endl;
  24.     }
  25.     return 0;
  26. }

  28. void ls(const string & sDir, FilesList & files, const char *acExtension)
  29. {
  30.     int return_code;
  31.     DIR *dir;
  32.     struct dirent entry;
  33.     struct dirent *res;

  35.     char *sourceDir = new char[sDir.size() + 4];
  36.     strcpy(sourceDir, sDir.c_str());
  37.     //strcat(sourceDir, "\\*");

  39.     cout << sourceDir << endl;

  41.     if ((dir = opendir(sourceDir)) != NULL) {    //open dir
  42.         for (return_code = readdir_r(dir, &entry, &res); res != NULL && return_code == 0; return_code = readdir_r(dir, &entry, &res)) {
  43.             if (entry.d_type != DT_DIR) {    //save to files
  44.                 //doc_list.push_back(string(entry.d_name));
  45.                 cout << "a" << endl;
  46.                 if ((acExtension != NULL)) {

  48.                     string sFile = entry.d_name;

  50.                     int iPos = sFile.find_last_of(".");
  51.                     if ((iPos == string::npos) || (strcmp(acExtension, sFile.substr(iPos).c_str())))
  52.                         continue;
  53.                 }

  55.                 files.push_back(entry.d_name);
  56.             }
  57.         }
  58.         closedir(dir);    //close dir
  59.     }
  60. }

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posted @ 2016-02-01 00:00  张同光  阅读(270)  评论(0)  编辑  收藏  举报