C Program to Delete Files - codescracker.com.
Then, a file named program.txt is opened in writing mode. If the file does not exist, it will be created. If the file does not exist, it will be created. Finally, the string entered by the user will be written to this file using the fprintf() function and the file is closed.
C Program to Remove All Occurrences of a Character in a String Example 1. This program allows the user to enter a string (or character array), and a character value. Next, this C Program will find and remove all occurrences of a character inside a string.
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C File Handling: Exercise-8 with Solution. Write a program in C to delete a specific line from a file. Assume that the content of the file test.txt is: test line 1 test line 2 test line 3 test line 4.
Sure, there are ways to have a file delete itself on the next reboot. And you can even resort to an external program or batch file to do the work. But I just came up with a nifty way of doing it without leaving a visible trace that the application ever existed!
Key in 'cmd' or 'cmd.exe' in the 'Open' text area to launch the command prompt window. At the command prompt, change the directory to the path where the program file folder is located. Then try to delete the program file folder using the delete or DEL command.
If you want to provide a standard progress dialog box, see How to provide a progress dialog box for file operations. Use System.IO.FileSystemWatcher to provide events that will enable you to calculate the progress when operating on multiple files.