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How can I get the list of files in a directory using C or C++?
Let us consider the following C++ sample 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.Example
#include <iostream>
#include <dirent.h>
#include <sys/types.h>
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"<<en->d_name; //print all directory name
}
closedir(dr); //close all directory
}
return(0);
}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
Example
#include <stdio.h>
#include <dirent.h>
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);
}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
Updated on: 30-Jun-2020
11K+ Views
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