C program to create a file with input content

Write a C program to create a file with input content.

  #include <stdio.h>

  int main(int argc, char **argv) {
        FILE *fp;
        int ch;

        /* open the input file in write mode */
        fp = fopen(argv[1], "w");

        /* error handling */
        if (!fp) {
                printf("Unable to open the file %s\n", argv[1]);
                return 0;
        }

        /* write the string from command line argument to input file */
        fprintf(fp, "%s", argv[2]);

        printf("Written \" %s \" to the file %s\n", argv[2], argv[1]);

        /* closing the file */
        fclose(fp);

        /* open the input file in read mode */
        fp = fopen(argv[1], "r");

        /* error handling */
        if (!fp) {
                printf("Unable to open the file %s to read!!\n", argv[1]);
                return 0;
        }

        printf("\nContents in %s:\n", argv[1]);

        /* read the data from input file and write it on the console */

        while (!feof(fp)) {

                ch = fgetc(fp);

                if (ch != EOF) {

                        printf("%c", ch);

                }

        }

        printf("\n");

        /* closing the file */

        fclose(fp);

        return 0;

  }

Input format:
<exe>  <filename>  <input string>   => ./a.out editMe.txt  HelloWorld

  Output:

  jp@jp-VirtualBox:~/$ ./a.out editMe.txt HelloWorld
  Written " HelloWorld " to the file editMe.txt
    
  Contents in editMe.txt:
  HelloWorld

SEE ALSO

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