Join Lines of Two given Files and Store them in a New file

#include

#include

int joinfiles(FILE *, FILE *, FILE *);

char ch;

int flag;

void main(int argc, char *argv[])

    FILE *file1, *file2, *target;

    file1 = fopen(argv[1], "r");

    if (file1 == NULL)

        perror("Error Occured!");

    file2 = fopen(argv[2], "r");

    if (file2 == NULL)

        perror("Error Occured!");

    target = fopen(argv[3], "a");

    if (target == NULL)

        perror("Error Occured!");

    joinfiles(file1, file2, target);

    if (flag == 1)

        printf("The files have been successfully concatenated\n");

 int joinfiles(FILE *file1, FILE *file2, FILE *target)

    while ((fgetc(file1) != EOF) || (fgetc(file2) != EOF))

        fseek(file1, -1, 1);

        while ((ch = fgetc(file1)) != '\n')

            if (ch == EOF)

                break;

            else

                fputc(ch, target);

        while ((ch = fgetc(file2)) != '\n')

            if (ch == EOF)

                break;

            else

                fputc(ch, target);

        fputc('\n', target);

    fclose(file1);

    fclose(file2);

    fclose(target);

    return flag = 1;

Output

            The files have been successfully concatenated

 #include

#include

int sum(int,  int);

void main()

    int num1, num2;

    printf("Enter Number1 and Number2:");

    scanf("%d %d ", num1, num2);

    sum(num1, num2);

int sum(int a, int b)

    return a + b;

#include

#include

int sqrt(int);

void main()

    int num;

    printf("enter the number:");

    scanf("%d", &num);

    sqrt(num);

    printf("The square of the given number is:", num);

int sqrt(int num)

    return num*num;

#include

#include

int sqrt(int);

int sum(int,  int);    int num;

void main()    printf("enter the number:");

{    scanf("%d", &num);

    int num1, num2;    sqrt(num);

    printf("Enter Number1 and Number2:");    printf("The square of the given number is:", num);

    scanf("%d %d ", num1, num2);}

    sum(num1, num2);int sqrt(int num)

    return num*num;

int sum(int a, int b)}

    return a + b;

Collect Statistics of a Source File like Total Lines, Total no. of Blank Lines, Total no. of Lines ending with Semicolon

#include

#include

#include

void main(int argc, char *argv[])

    int ncount = 0, ccount = 0, scount = 0, blank = 0;

    char ch;

    FILE *fp;

    fp = fopen(argv[1], "r");

    if (fp == NULL)

        perror("Error Occured");

    else

        while(1)

            ch = fgetc(fp);

            if (ch == EOF)

                break;

            if (ch == 10)

                ncount++;

                if (ch = fgetc(fp) == '\n')

                    fseek(fp, -1, 1);

                    blank++;

            else if (ch == 59)

                scount++;

            else if (ch == '/' || ch == '*')

                ccount++;

    printf("\nThe Total number of lines are %d", ncount);

    printf("\nThe Total number of Commented lines are %d", ccount);

    printf("\nThe Total number of blank lines are %d", blank);

    printf("\nThe total number of lines that end with Semicolon %d", scount);

    printf("\nThe length of Actual code is %d ", ncount-blank-ccount);

    fclose(fp);

Output

The Total number of lines are 23

The Total number of Commented lines are 6

The Total number of blank lines are 4

The total number of lines that end with Semicolon 6

The length of Actual code is 13