Question

In: Computer Science

(1) Prompt the user for a string that contains two strings separated by a comma.

(In C)

(1) Prompt the user for a string that contains two strings separated by a comma. 

  • Examples of strings that can be accepted:

  • Jill, Allen

  • Jill , Allen

  • Jill,Allen

Ex:

Enter input string:
Jill, Allen


(2) Report an error if the input string does not contain a comma. Continue to prompt until a valid string is entered. Note: If the input contains a comma, then assume that the input also contains two strings. 

Ex:

Enter input string:
Jill Allen
Error: No comma in string.

Enter input string:
Jill, Allen


(3) Extract the two words from the input string and remove any spaces. Store the strings in two separate variables and output the strings. 

Ex:

Enter input string:
Jill, Allen
First word: Jill
Second word: Allen


(4) Using a loop, extend the program to handle multiple lines of input. Continue until the user enters q to quit. 

Ex:

Enter input string:
Jill, Allen
First word: Jill
Second word: Allen

Enter input string:
Golden , Monkey
First word: Golden
Second word: Monkey

Enter input string:
Washington,DC
First word: Washington
Second word: DC

Enter input string:
q

Code Given:

#include
#include

int main(void) {

/* Type your code here. */

return 0;
}

Solutions

Expert Solution

#include

#include

#include

#define MAX_LIMIT 50

int checkComma(char *input)

{

int flag = 0;

for(int i = 0; i < strlen(input); i++)

{

if(input[i] == ',')

{

flag = 1;

break;

}

}

return flag;

}

int main(void)

{

char input[MAX_LIMIT];

char *words[2];

char delim[] = ", ";

printf("\n");

do

{

printf("Enter input string: ");

fgets(input, MAX_LIMIT, stdin);

size_t ln = strlen(input) - 1;

if (*input && input[ln] == '\n')

input[ln] = '\0';

if(strcmp(input, "q") == 0)

{

printf("Thank you...Exiting\n\n");

exit(1);

}

else

{

if(checkComma(input) == 0)

{

printf("No comma in string.\n\n");

}

else

{

char *ptr = strtok(input, delim);

int count = 0;

while(ptr != NULL)

{

words[count++] = ptr;

ptr = strtok(NULL, delim);

}

printf("First word: %s\n", words[0]);

printf("Second word: %s\n\n", words[1]);

}

}

}while(strcmp(input, "q") != 0);

return 0;

}


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