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C > File Operations Code Examples

Program to Append the Content of File at the end of Another

Program to Append the Content of File at the end of Another

    #include <stdio.h>

    #include <stdlib.h>

    main()

    {

        FILE *fsring1, *fsring2, *ftemp;

        char ch, file1[25], file2[25], file3[25];

        printf("Enter name of first file ");

        gets(file1);

        printf("Enter name of second file ");

        gets(file2);

        printf("Enter name to store merged file ");

        gets(file3);

        fsring1 = fopen(file1, "r");

        fsring2 = fopen(file2, "r");

        if (fsring1 == NULL || fsring2 == NULL)

        {

            perror("Error has occured");

            printf("Press any key to exit...\n");

            exit(EXIT_FAILURE);

        }

        ftemp = fopen(file3, "w");

        if (ftemp == NULL)

        {

            perror("Error has occures");

            printf("Press any key to exit...\n");

            exit(EXIT_FAILURE);

        }

        while ((ch = fgetc(fsring1)) != EOF)

            fputc(ch, ftemp);

        while ((ch = fgetc(fsring2) ) != EOF)

            fputc(ch, ftemp);

        printf("Two files merged  %s successfully.\n", file3);

        fclose(fsring1);

        fclose(fsring2);

        fclose(ftemp);

        return 0;

    }

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