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问题描述
给定一个路径,比如说,/ home / SHREE /路径/闪避,我想,以确定是否高清是一个目录或文件。是否有C或C ++ code实现这一目标的一种方式?
Given a path, say, /home/shree/path/def, I would want to determine if def is a directory or a file. Is there a way of achieving this in C or C++ code?
推荐答案以下code使用 STAT()函数和 S_ISDIR ('是一个目录')和 S_ISREG ('是一个普通文件)宏来获取有关文件的信息。剩下的就是一些错误检查和足以让一个完整的编译程序。
The following code uses the stat() function and the S_ISDIR ('is a directory') and S_ISREG ('is a regular file') macros to get information on the file. The rest is just error checking and enough to make a complete compilable program.
#include <stdio.h> #include <errno.h> #include <sys/stat.h> int main (int argc, char *argv[]) { int status; struct stat st_buf; // Ensure argument passed. if (argc != 2) { printf ("Usage: progName <fileSpec>\n"); printf (" where <fileSpec> is the file to check.\n"); return 1; } // Get the status of the file system object. status = stat (argv[1], &st_buf); if (status != 0) { printf ("Error, errno = %d\n", errno); return 1; } // Tell us what it is then exit. if (S_ISREG (st_buf.st_mode)) { printf ("%s is a regular file.\n", argv[1]); } if (S_ISDIR (st_buf.st_mode)) { printf ("%s is a directory.\n", argv[1]); } return 0; }样品运行如下所示:
Sample runs are shown here:
pax> vi progName.c ; gcc -o progName progName.c ; ./progName Usage: progName where is the file to check. pax> ./progName /home /home is a directory. pax> ./progName .profile .profile is a regular file. pax> ./progName /no_such_file Error, errno = 2更多推荐
在C和C UNIX目录和文件区分++
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