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                # C 程序:將句子寫入文件 > 原文: [https://www.programiz.com/c-programming/examples/write-file](https://www.programiz.com/c-programming/examples/write-file) #### 在此示例中,您將學習使用`fprintf()`語句在文件中寫一個句子。 要理解此示例,您應該了解以下 [C 編程](/c-programming "C tutorial")主題: * [C 文件處理](/c-programming/c-file-input-output) * [C 標準庫函數](/c-programming/library-function) * * * 該程序將用戶輸入的句子存儲在文件中。 * * * ```c #include <stdio.h> #include <stdlib.h> int main() { char sentence[1000]; // creating file pointer to work with files FILE *fptr; // opening file in writing mode fptr = fopen("program.txt", "w"); // exiting program if (fptr == NULL) { printf("Error!"); exit(1); } printf("Enter a sentence:\n"); fgets(sentence, sizeof(sentence), stdin); fprintf(fptr, "%s", sentence); fclose(fptr); return 0; } ``` **輸出** ```c Enter a sentence: C Programming is fun Here, a file named program.txt is created. The file will contain C programming is fun text. ``` * * * 在程序中,用戶輸入的句子存儲在`sentence`變量中。 然后,以寫入模式打開名為`program.txt`的文件。 如果文件不存在,將創建它。 最后,將使用`fprintf()`函數將用戶輸入的字符串寫入此文件,并關閉文件。
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