Question

Create the following subdirectory structure under your home directory using Program 1.

                                                                        Subdir1

              -------------------------------------------------------------------------------------------------

              |                                                           |                                                                   |

              D1                                                     d2                                                                   d3

--------------------------------              --------------------------------------                    --------------------------------------

|                   |                    |            |                     |                          |                    |                       |                         |

A1.txt      A2.txt        A3.txt      B1.ccc              B2.ccc            B3.ccc         C1.txt                 C2.ddd               C3.txt

Create a C function with the following capabilities:

Program 1:

1. Create “Subdir1” directory with permission 0766
2. Create sub-directories “D1”, “d2”, and “d3” under the directory “Subdir1” with permission 0777
3. Under the directory “D1” create the following files with permission 0666 :
   1. “A1.txt” and write “abcdefghij”
   2. “A2.txt” and write “you are beautiful”
   3. “A3.txt” and write “this is terrible!”
4. Under the directory “d2” create the following files with permission 0664:
   1. “B1.ccc” and write “abcdefghij”
   2. “B2.ccc” and write “you are beautiful”
   3. “B3.ccc” and write “this is terrible!”
5. Under the directory “d3” create the following files with permission 0644:
   1. “C1.txt” and write “abcdefghij”
   2. “C2.ddd” and write “you are beautiful”
   3. “C3.txt” and write “this is terrible!”

Answer 1

#include<stdio.h>

#include<conio.h>

#include<dir.h>

void main() {

char path1 = "/home/Subdir1"; // path for subdirectory under your home directory

int res;

res = mkdir(path1, 0777); // create the directory using mkdir function

if(!res) {

printf("Directory created successfully");

}

else {

printf("Error in creating directory");

exit(1);

}

//creating subdirectors D1, d2, and d3 under Subdir1 with permision 0777

char path2 = "/home/Subdir1/D1";

char path3 = "/home/Subdir1/d2";

char path4 = "/home/Subdir1/d3";

res2 = mkdir(path2, 0777);

res3 = mkdir(path3, 0777);

res3 = mkdir(path4, 0777);

FILE * fptr; // create a file pointer

char str[] = "abcdefghij";

fptr = fopen("/home/Subdir1/D1/A1.txt", "w", 0666); // open the file A1.txt in write mode with 0666 permission

for(i=0;str[i]!='\n';i++){

fputc(str[i],fptr); // write the content to file using fputc

}

fclose(fptr); // close the file pointer

char str1[] = "you are beautiful";

fptr = fopen("/home/Subdir1/D1/A2.txt", "w", 0666); // open the file A2.txt in write mode with 0666 permission

for(i=0;str1[i]!='\n';i++){

fputc(str1[i],fptr); // write the content to file using fputc

}

fclose(fptr); // close the file pointer

char str2[] = "this is terrible!";

fptr = fopen("/home/Subdir1/D1/A2.txt", "w", 0666); // open the file A2.txt in write mode with 0666 permission

for(i=0;str2[i]!='\n';i++){

fputc(str2[i],fptr); // write the content to file using fputc

}

fclose(fptr); // close the file pointer

char strB[] = "abcdefghij";

fptr = fopen("/home/Subdir1/d2/B1.ccc", "w", 0664); // open the file B1.ccc in write mode with 0664 permission

for(i=0;strB[i]!='\n';i++){

fputc(strB[i],fptr); // write the content to file using fputc

}

fclose(fptr); // close the file pointer

char strB2[] = "you are beautiful";

fptr = fopen("/home/Subdir1/d2/B2.ccc", "w", 0664); // open the file B2.ccc in write mode with 0664 permission

for(i=0;strB2[i]!='\n';i++){

fputc(strB2[i],fptr); // write the content to file using fputc

}

fclose(fptr); // close the file pointer

char strB3[] = "you are terrible!";

fptr = fopen("/home/Subdir1/d2/B3.ccc", "w", 0664); // open the file B3.ccc in write mode with 0664 permission

for(i=0;strB3[i]!='\n';i++){

fputc(strB3[i],fptr); // write the content to file using fputc

}

fclose(fptr); // close the file pointer

}