C目录操作

C语言读取文件夹内容

    char dirPath[] ="/home/xxxx/TestFiles/chapeter4";
    DIR* dir = opendir(dirPath);
    struct dirent * dirent = readdir(dir);
    while (dirent != NULL) {
        printf("%sn",dirent->d_name);
        dirent = readdir(dir);
    }

C语言遍历文件夹

void printNChar(int n){
    int i;
    for(i = 0 ; i < n ;i++){
        printf("-");
    }
}
/**
 * @brief RecursiveReadfolder2
 * @param n
 * @param fd
 * @param name
 */
void RecursiveReadfolder2(int n,int fd,const char* name){
    struct stat buf;
    if(fstatat(fd,name,&buf,AT_SYMLINK_NOFOLLOW)<0){
        return;
    }
    if(S_ISDIR(buf.st_mode)){

        int subfd = openat(fd,name,O_DIRECTORY|O_NOFOLLOW);
        DIR* dir = fdopendir(subfd);
        struct dirent * dirent  = NULL;
        while ((dirent = readdir(dir)) != NULL) {
            printNChar(n);
            printf("%sn",dirent->d_name);
            if(strcmp(dirent->d_name,".") != 0 && strcmp(dirent->d_name,"..") != 0)
                RecursiveReadfolder2(n+2,subfd,dirent->d_name);
        }
    }/*else{
        printNChar(n);
        printf("%sn",name);
    }*/

}


void RecursiveReadfolder(const char* path){
    struct stat buf;
    int n=2;
    if(lstat(path,&buf)<0){
        return;
    }
    printf("%sn",path);
    if(S_ISDIR(buf.st_mode)){
        int fd = open(path,O_DIRECTORY);
        DIR* dir = fdopendir(fd);
        struct dirent * dirent = NULL;
        while ((dirent = readdir(dir)) != NULL) {
            printNChar(n);
            printf("%sn",dirent->d_name);
            if(strcmp(dirent->d_name,".") != 0 && strcmp(dirent->d_name,"..") != 0)
                RecursiveReadfolder2(n+2,fd,dirent->d_name);
        }
    }/*else{
        printNChar(n);
        printf("%sn",path);
    }*/

}

最后

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