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Codetantra 50

This C program demonstrates how to delete a file. It uses the remove() function to delete an existing file after opening, writing, reading and closing the file. The program first prompts the user to enter a file name. It then opens the file in write mode, writes input from the user until an '@' is entered, closes the file. It then reopens the file in read mode, reads and displays the contents, closes the file. Finally, it uses remove() to delete the file and prints a message indicating if the file was successfully deleted or not.

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varshita chellaboyina
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250 views2 pages

Codetantra 50

This C program demonstrates how to delete a file. It uses the remove() function to delete an existing file after opening, writing, reading and closing the file. The program first prompts the user to enter a file name. It then opens the file in write mode, writes input from the user until an '@' is entered, closes the file. It then reopens the file in read mode, reads and displays the contents, closes the file. Finally, it uses remove() to delete the file and prints a message indicating if the file was successfully deleted or not.

Uploaded by

varshita chellaboyina
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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S.No: 50 Exp.

Name: Write a C program to Delete a File Date:2023-01-16

Aim:
Write a program to delete a file.

Note: Use the remove(fileName) function to delete an existing file.

Source Code:

1 :oN egaP     6240A16K22 :DI


Program1504.c

#include <stdio.h>
void main() {
FILE *fp;
int status;
char fileName[40], ch;
printf("Enter a new file name : ");
gets(fileName);
fp = fopen(fileName,"w"); // Open a new file in write mode
printf("Enter the text with @ at end : ");
while ((ch=getchar())!='@') { // Repeat loop till read @ at the end
putc(ch,fp); // Put read character onto the file
}
putc(ch,fp); // Put delimiter @ at the end on the file
fclose(fp); // Close the file
fp = fopen(fileName,"r"); // Open the existed file in read mode
printf("Given message is : ");

A-ECE-6202-2202      )suomonotuA( gnireenignE dna ygolonhceT fo etutitsnI isaS    


while ((ch=getc(fp))!='@') { // Repeat loop till get @ at the end of existed fi
le
putchar(ch); // Put the character on the screen
}
printf("\n");
fclose(fp); // Close the file
status = remove(fileName); // Put the fileName to be removed
if (status == 0)
printf("%s file is deleted successfully\n",fileName ); // Place the removed
fileName
else {
printf("Unable to delete the file -- ");
perror("Error\n");
}
}

Execution Results - All test cases have succeeded!

Test Case - 1

User Output
Enter a new file name : Text1.txt
Enter the text with @ at end : This is CodeTantra@
Given message is : This is CodeTantra
Text1.txt file is deleted successfully
Test Case - 2

User Output
Enter a new file name : Text2.txt
Enter the text with @ at end : C developed by Dennis Ritchie@
Given message is : C developed by Dennis Ritchie
Text2.txt file is deleted successfully

1 :oN egaP     6240A16K22 :DI


A-ECE-6202-2202      )suomonotuA( gnireenignE dna ygolonhceT fo etutitsnI isaS    

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