97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
/*
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Program: folder-info.c (Report comments/bugs to chikh@yuntech.edu.tw)
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Function: 以遞迴的方式顯示指定目錄內所有檔案與檔案夾之資訊
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Note: 本程式使用dirent.h，該標頭檔定義目錄結構的資料型態，該標頭檔位於
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C:\Program Files (x86)\Dev-Cpp\MinGW64\x86_64-w64-mingw32\include
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <dirent.h>
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#define MaxSize 256
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int chopPos(char *dirPath)
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{
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int i, count, len = strlen(dirPath);
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if (dirPath[len-1] != '\\') {
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dirPath[len] = '\\';
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dirPath[len+1] = '\0';
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}
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for (i = len-1, count = 0; i > 0 && count < 2; i--)
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if (dirPath[i]=='\\') count++;
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return i+2;
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}
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void showDirectory(char *folderPath, int level)
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{
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DIR *dpdf;
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struct dirent *epdf;
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char fileName[2*MaxSize], nextLevelDir[128][768], *pstr, indent[2*MaxSize]={0};
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long fileSize, fileCount, i, dirCount = 0;
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FILE *fp;
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if ((dpdf=opendir(folderPath)) == NULL) { /* 開啟目錄資料結構 */
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printf("目錄%s不存在!\n",folderPath);
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return;
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}
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pstr = folderPath+chopPos(folderPath);
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if (level==0) {
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printf("%s\n",pstr);
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sprintf(indent,"%s%s",indent,"| ");
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}
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else {
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for (i = 0; i < level-1; i++)
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sprintf(indent,"%s%s",indent,"| ");
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printf("%s+---%s\n",indent,pstr);
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sprintf(indent,"%s%s",indent,"| | ");
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}
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while (epdf = readdir(dpdf)) { /* 讀取檔案所在目錄，只要dpdf所指內容不空，即意味著有檔案存在，因此進入迴圈處理 */
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if (strcmp(epdf->d_name,".")==0 || strcmp(epdf->d_name,"..")==0) continue; /* 排除目錄中的 . 與 .. (當下目錄與上一層目錄) */
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sprintf(fileName,"%s%s",folderPath,epdf->d_name); // 完整路徑+檔名
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if ((fp=fopen(fileName,"rb")) == NULL) { // 開啟檔案，開檔模式為"文字非文字通吃"
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sprintf(nextLevelDir[dirCount++],"%s\\",fileName);
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}
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else {
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fclose(fp);
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printf("%s%s\n",indent,epdf->d_name);
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fileCount++;
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}
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}
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closedir(dpdf); /* 關閉目錄資料結構 */
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if (fileCount > 0) {
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if (level==0)
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printf("%s(↑上有%d檔案)\n%s\n",indent,fileCount,indent);
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else {
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printf("%s(↑上有%d檔案)\n",indent,fileCount);
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for (i = 0; i < strlen(indent)-4; i++) putchar(indent[i]);
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printf("\n");
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}
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}
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if (dirCount > 0) {
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for (i = 0; i < dirCount; i++)
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showDirectory(nextLevelDir[i],level+1);
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}
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return;
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}
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int main()
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{
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char directoryPath[MaxSize];
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printf("\n輸入目錄夾路徑 ==> ");
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scanf("%255[^\n]%*c",directoryPath,0);
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printf("檔案夾%s資訊如下\n",directoryPath);
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showDirectory(directoryPath,0);
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return 0;
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}
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