How to get a list of files in a directory using C or C++?-C++-php.cn

How to get a list of files in a directory using C or C++?

Let us consider the following C example code to get the list of files in a directory.

Algorithm

Begin Declare a poniter dr to the DIR type. Declare another pointer en of the dirent structure. Call opendir() function to open all file in present directory. Initialize dr pointer as dr = opendir("."). If(dr) while ((en = readdir(dr)) != NULL) print all the file name using en->d_name. call closedir() function to close the directory. End.

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Example

#include  #include  #include  using namespace std; int main(void) { DIR *dr; struct dirent *en; dr = opendir("."); //open all directory if (dr) { while ((en = readdir(dr)) != NULL) { cout<<" \n"<d_name; //print all directory name } closedir(dr); //close all directory } return(0); }

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Output

BINSEARC.C BINTREE (1).C BINTREE.C BTREE.C BUBBLE.C c.txt file3.txt HEAP.C HEAPSORT.C HLINKLST.C INSERTIO.C LINKLIST.C LINKLST.C LLIST1.C players.cpp PolarRect.cpp QUEUE.C

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Example

#include  #include  int main(void) { DIR *dr; struct dirent *en; dr = opendir("."); //open all or present directory if (dr) { while ((en = readdir(dr)) != NULL) { printf("%s\n", en->d_name); //print all directory name } closedir(dr); //close all directory } return(0); }

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Output

BINSEARC.C BINTREE (1).C BINTREE.C BTREE.C BUBBLE.C c.txt file3.txt HEAP.C HEAPSORT.C HLINKLST.C INSERTIO.C LINKLIST.C LINKLST.C LLIST1.C

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