現在網路上很多都有提供電影字幕或是連續劇字幕的資源，也有不少學習英文的人喜歡邊看影片邊練習英聽或是會話，所以這個程式運用在練習中英閱讀及會話方面，透過隨手可得的字幕檔後，將其合併來練習。當中可練習不少開關檔案的語法，及思考排版的設計，在程式中用了4的stream來協助讀檔與寫檔。

執行內容及結果

英文字幕檔內容

1

00:03:27,600 --> 00:03:28,400

Little girl?

2

00:03:30,900 --> 00:03:31,700

I'm a policeman.

3

00:03:32,700 --> 00:03:33,500

Little girl.

4

00:03:38,600 --> 00:03:39,700

Don't be afraid.

中文字幕檔內容

1

00:03:27,600 --> 00:03:28,400

小姑娘?

2

00:03:30,900 --> 00:03:31,700

我是警察

3

00:03:32,700 --> 00:03:33,500

小姑娘

4

00:03:38,600 --> 00:03:39,700

別害怕

合併中英字幕結果

Little girl?

小姑娘?

I'm a policeman.

我是警察

Little girl.

小姑娘

Don't be afraid.

別害怕

Little girl.

小姑娘

//中英字幕合併By Cheng yu-zheng

#include <stdio.h>

#include <ctype.h>

#include <stdlib.h>

#include <string.h>

FILE *stream_eng, *check_eng, *stream_cht, *check_cht, *write_data;

char checkString1[100], writeString1[100], checkString2[100], writeString2[100];

int counter_eng = 2, counter_cht = 2;

int flag_eng = 0, flag_cht = 0;

void write_eng(char checkString1[], FILE *check_eng, FILE *stream_eng, FILE *write_data, FILE *check_cht, FILE *stream_cht);

int call_print(FILE *stream_eng,  FILE *write_data);

void write_cht(char checkString2[], FILE *check_cht);

int call_print_cht(FILE *stream_cht,  FILE *write_data);

int main(void)

{

        stream_eng = fopen("eng1.txt", "r");

        check_eng = fopen("eng1.txt", "r");

        stream_cht = fopen("cht1.txt", "r");

        check_cht = fopen("cht1.txt", "r");

        write_data = fopen("text.txt", "w");

        if(stream_eng == NULL || stream_cht == NULL || check_eng == NULL ||  check_cht == NULL || write_data == NULL)

        {

                printf("開始檔案失敗, 請將正確檔案放入資料夾內");

        }

        else

        {

                write_eng(checkString1, check_eng, stream_eng, write_data, check_cht, stream_eng);

        }

        fclose(stream_eng);

        fclose(check_eng);

        fclose(stream_cht);

        fclose(check_cht);

        fclose(write_data);

}

void write_eng(char checkString1[], FILE *check_eng, FILE *stream_eng, FILE *write_data, FILE *check_cht, FILE *stream_cht)

{

        while(fgets(checkString1, 100, check_eng) != NULL){

                while(checkString1[3] != ':' && atoi(checkString1) == counter_eng){

                        flag_eng = call_print(stream_eng, write_data);

                        if(flag_eng == 1){

                                counter_eng++;

                                if(counter_eng >= counter_cht)

                                        write_cht(writeString2, check_cht);

                        }

                }

        }

}

int call_print(FILE *stream_eng, FILE *write_data)

{

        while(fgets(writeString1, 100, stream_eng) != NULL){

                int stop_flag = 0;

                if(writeString1[2] != ':' && (isdigit(writeString1[0]) == 0 || strlen(writeString1) >=5) && writeString1[0] != '\n'){

                        fputs(writeString1, write_data);

                }

                if(atoi(writeString1) == counter_eng){

                        return stop_flag = 1;

                }

        }

        return 0;

}

void write_cht(char checkString2[], FILE *check_cht)

{

        int gobackto_eng = 0;

        while(fgets(checkString2, 100, check_cht) != NULL &&  gobackto_eng == 0){

                while(checkString2[3] != ':' &&  gobackto_eng == 0 && (( 0 <= checkString2[0] <= 127) ? atoi(checkString2) == counter_cht : 0)){

                        flag_cht = call_print_cht(stream_cht, write_data);

                        if(flag_cht == 1){

                                counter_cht++;

                                if(counter_cht == counter_eng)

                                        gobackto_eng = 1;  

                        }

                }

        }     

}

int call_print_cht(FILE *stream_cht, FILE *write_data)

{

        char temp[] = "\n";

        while(fgets(writeString2, 100, stream_cht) != NULL){

                int stop_flag = 0;

                if(writeString2[2] != ':' && strlen(writeString2) >=5){

                        fputs(writeString2, write_data);

                }

                if(atoi(writeString2) == counter_cht){

                        fputs(temp, write_data);

                        return stop_flag = 1;

                }

        }

        return 0;

}