made work: count the number of words in a file_t*

demo.c

@@ -1,30 +1,90 @@
-#include <odweta/list.h>
+// #include <stdio.h>
+// #include <odweta/util.h>
+//
+// int main() {
+//     char* string = intToString(1729843);
+//
+//     printf("final string: %s\n", string);
+//
+//     char* sstring = intToString(123);
+//
+//     printf("final string: %s\n", sstring);
+//
+//     return 0;
+// }
+
+#include <odweta/file.h>
 #include <stdio.h>
 
 int main() {
-    list_t* l = listInit();
+    printf("creating a file using 'fileInit(<filename>)' (returns a file_t*)\n");
+    file_t* f = fileInit("test.txt");
 
-    listPush(l, INT, &(int){5});
+    printf("printing the file contents\n\n");
-    listPush(l, INT, &(int){2});
+    filePrint(f);
-    listPush(l, INT, &(int){1});
 
-    listSetAt(l, 1, FLOAT, &(float){3.14});
+    printf("\nconvering the file contents into a string (char*)\n");
+    char* string = fileToString(f);
+    printf("\"\"\"\n%s\"\"\"\n", string);
 
-    printf("value at index 2 in list l:\n");
+    printf("writing is quite simple, just call the 'fileWrite(file_t*, char*)' or 'fileWriteln(file_t*, char*)' function, where the second argument is the string you want to write into a file\nthe 'fileWriteln()' function writes the specified string AND a '\\n' after it, whereas the 'fileWrite()' function does not append the '\\n'\n");
-    int val = *((int*)listGetAt(l, 2));
+	fileWrite(f, "'this will not end with a \"\\n\"' ");
-    printf("%d\n", val);
+	fileWriteln(f, "this line was appended");
+	filePrint(f);
 
-    list_t* m = listInit();
+    printf("if you are finished working with the file BEFORE the immediate end of the program, run 'fileCleanup(file_t*)', otherwise it is not strictly necessary\nit will, though, append a '\\n' at the end of the file if you have not done so, making writing into files more consistent, so for this reason, I recommend you use it with every file_t*\n");
+    fileCleanup(f);
 
-    listPush(m, CHAR, &(char){'a'});
+    printf("copying and moving\nafter this block of code, the contents of test.txt will have been copied into copy_of_test.txt and moved to moved_copy_of_test.txt, which means that copy_of_test.txt is deleted and the contents of test.txt are only in test.txt and moved_copy_of_test.txt\n");
-    listPush(m, CHAR, &(char){'b'});
-    listPush(m, CHAR, &(char){'c'});
 
-    listSetAt(l, 2, LIST, m);
+    file_t* src = fileInit("test.txt");
 
-    listPrint(l);
+    fileCopy(src, "copy_of_test.txt");
 
-    listCleanup(l);
+    printf("src:\n");
+    filePrint(src);
+
+    printf("\ndst:\n");
+    file_t* dst = fileInit("copy_of_test.txt");
+    filePrint(dst);
+
+    fileMove(dst, "moved_copy_of_test.txt");
+
+    printf("moved file:\n");
+    file_t* move_dst = fileInit("moved_copy_of_test.txt");
+    filePrint(move_dst);
+
+    fileCleanup(src);
+    printf("DO NOT cleanup a deleted file! (dst, in this case) it is already done for you by the 'fileMove(file_t*, char*)' function\n");
+    // fileCleanup(dst);
+    fileCleanup(move_dst);
+
+    printf("when copying and moving files, the first argument is a file_t* (source file) and the second argument is a char* (the path of the destination file), not a file_t*!\n");
+
+    printf("prepending line numbers at the beggining of each line in a file\n");
+
+    file_t* g = fileInit("test.txt");
+    fileCopy(g, "copy_of_test.txt");
+    file_t* g_copy = fileInit("copy_of_test.txt");
+    fileNumberLines(g_copy);
+
+    printf("file withOUT prepended numbers:\n");
+    filePrint(g);
+
+    printf("file with prepended numbers:\n");
+    filePrint(g_copy);
+
+    fileCleanup(g);
+    //fileCleanup(g_copy);
+
+    printf("counting words in a file\n");
+
+    file_t* words = fileInit("test.txt");
+
+    int word_count = fileCountWords(words);
+    printf("word count of file %s is %d\n", words->path, word_count);
+
+    fileCleanup(words);
 
     return 0;
 }

examples/file/filedemo.c

@@ -77,5 +77,14 @@ int main() {
     fileCleanup(g);
     //fileCleanup(g_copy);
 
+    printf("counting words in a file\n");
+
+    file_t* words = fileInit("test.txt");
+
+    int word_count = fileCountWords(words);
+    printf("word count of file %s is %d\n", words->path, word_count);
+
+    fileCleanup(words);
+
     return 0;
 }

include/file.h

@@ -34,4 +34,6 @@ void fileCreateEmpty(char* path);				// create an empty file with the given name
 
 void fileNumberLines(file_t* f);				// prepend line numbers in front of each line in a file
 
+int fileCountWords(file_t* f);					// counts the number of words in a file
+
 #endif

src/file.c

@@ -256,3 +256,24 @@ fileNumberLines(file_t* f) {
 
     fclose(fd);
 }
+
+int
+fileCountWords(file_t* f) {
+    int num_words = 0;
+    char prev;
+    for (int i = 0; i < f->length; i++) {
+        for (int j = 0; j < ((vector_t*)vectorGetAt(f->lines, i))->size; j++) {
+            char ch = *((char*)vectorGetAt((vector_t*)vectorGetAt(f->lines, i), j));
+            if (
+                (ch == ' ' && prev != ' ') ||
+                (i == f->length-1 && j == ((vector_t*)vectorGetAt(f->lines, i))->size-1) ||
+                (j == ((vector_t*)vectorGetAt(f->lines, i))->size-1 && j != 0)
+            ) {
+                num_words++;
+            }
+            prev = ch;
+        }
+    }
+
+    return num_words;
+}

test.txt

@@ -4,4 +4,5 @@ and
 
 this was an empty line
 !#%!@# <- symbols!
-about 1100 lines of implementation code, not including .h files and demos nad Makefiles and stuff like that
+about 1100 lines of implementation code, not including .h files and demos and Makefiles and stuff like that
+'this will not end with a "\n"' this line was appended