void function2(){
ofstream out("131250072_2.txt");
fstream temp_file("temp.txt", ios::out | ios::in | ios::trunc);//must add ios::trunc to create the file if it is not exist
if (back.is_open() && out.is_open() && temp_file.is_open()) {
int count_of_word = 0;
int diff_word = 0;
back.seekg(0, ios::end);
int size = back.tellg();
// cout << size << endl;
char *s = new char[size] ;//save all file in it
back.seekg(0, ios::beg);//start from beginning, for ios::end
while (back.getline(s, size)){//TODO why I have to write a endl to make back readable???
cout << "one time" << endl;
int beg_of_word = 0;
int len = 0;
while (split(&s[beg_of_word], &len)) {//find the first appearence of word
count_of_word = 1;
diff_word++;
const int dul = len;
const int duw = beg_of_word;
char s1[MAX_WORD] = {0};
char s2[MAX_WORD] = {0};
strncpy(s1, empty_word, 100);
strncpy(s1, &s[duw], dul);
for (beg_of_word+=len ;split(&s[beg_of_word], &len); beg_of_word+=len) {//scan the rest part, so to count the times of it
strncpy(s2, empty_word, 100);
strncpy(s2, &s[beg_of_word], len);
if (my_strcmp(s1, s2) == 0){//compare strings ignoring the space
count_of_word ++;//count of same word
memset((void*)&s[beg_of_word], ' ', len);//set the same word in array blank
}
}
beg_of_word = duw;//find the beginning of last word
beg_of_word += dul;//to next word
//write to a file
extract_word(s1);
temp_file << count_of_word << endl << s1 << endl;
}
//make tokens
Token *tokens = new Token[diff_word];
int in_token = 0;
char tem_w[MAX_WORD] = {0};
bool num_word = true;//true means it is a num, false means it's a word
temp_file.seekp(0, ios::beg);//TODO why I have to add it to make it readable??? write to it will change the get position?
while(temp_file.getline(tem_w, MAX_WORD)){//getline will clear the last word's wreakage
if (num_word) {
tokens[in_token].times = atoi(tem_w);
num_word = false;
} else {
strncpy(tokens[in_token++].str, tem_w, MAX_WORD);
num_word = true;
}
}
//sort
sort_token(tokens, 0, diff_word);
//print
for (int i = 0; i < diff_word; ++i) {
out << tokens[i].str << " " << tokens[i].times << endl;
}
delete[] tokens;
}
} else {
cout << out.is_open() << endl;
cout << temp_file.is_open() << endl;
cout << back.is_open() << endl;
cout << "can't open file" << endl;
}
}
