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--- courses:programming:extra_tasks [2017/04/07 09:47]
pro100kot
+++ courses:programming:extra_tasks [2017/05/04 08:18]
pro100kot
@@ Line 120: / Line 120: @@
 }
 </code>
+** Пример на обзор txt файлов во вложенных папках:**
+<code c dir-list.c>
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <dirent.h>
+void printFile(const char *path, const int lvl);
+void dirTraveler(const char *startDir, const int lvl);
+int main()
+{
+	dirTraveler(".",0);
+	return 0;
+}
+void dirTraveler(const char *startDir, const int lvl)
+{
+    char path[1000];
+    strcpy(path, startDir);
+    DIR *dir=opendir(path);
+    if(dir)
+    {
+	struct dirent *de = readdir(dir);
+        while(de)
+        {
+			if(de->d_type == DT_REG && strstr(de->d_name,".txt"))
+			{
+				int path_len = strlen(path);
+                strcat(path, "/");
+                strcat(path, de->d_name);
+				printFile(path, lvl);
+                path[path_len] = '\0';
+			}
+            if(de->d_type == DT_DIR && 0!=strcmp(".", de->d_name) && 0!=strcmp("..", de->d_name))
+            {
+                int path_len = strlen(path);
+                strcat(path, "/");
+                strcat(path, de->d_name);
+                dirTraveler(path, lvl+1);
+                path[path_len] = '\0';
+            }
+           de = readdir(dir);
+        }
+    }
+    closedir(dir);
+}
+void printFile(const char *path, const int lvl)
+{
+	int i;
+	char s[100];
+	for(i=0;i<lvl;i++)
+		printf("\t");
+	printf("%s[\n", path);
+	FILE *f = fopen(path, "r");
+	if(f)
+	{
+		while(fgets(s,sizeof(s)/sizeof(char),f))
+		{
+			for(i=0;i<lvl+1;i++)
+				printf("\t");
+			printf("%s",s);
+		}
+		fclose(f);
+	}
+	for(i=0;i<lvl;i++)
+		printf("\t");
+	printf("]\n");
+}
+</code>

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