If the file doesn't exist, a warning to that effect will appear on the screen. The non-existent file will, naturally, fail to open.
There are 6 main types of file opening mode:* "r". Open file for reading and file must exist; * "w" Open file for writing. If file does not exist it is created or if life already exist it's content is erased. * "a" Open file for appending. It adds all information at the end of the file leaving old data untouched. If file does not exist it is created. * "r+" Open file for reading and writing and file must exist. * "w+" Open file for writing and reading. If file does not exist it is created or if life already exist it's content is erased. * "a+" Open file for appending and reading. Again all new data is written at the end of the file old data leaving untouched. If file does not exist it is created. (You can read old data by moving pointer in file using fseek or rewind functions from stdio.h. But all writing operations will be done at the end of the file no matter how you change pointer) It is assumed by default that file will be standard ASCII text file in order to open file as binary file, you need to add "b" indicator:FILE *myFile = fopen("myfile.txt", "wb");/ * following two has identical meaning */FILE *myFile = fopen("myfile.txt", "w+b");FILE *myFile = fopen("myfile.txt", "wb+");
no , it doesnt .
Yes. You can either create a file for both reading and writing, or you can re-open a file for reading after creating and writing to it.
cat
Reading Sensors..
When you click on the file if its a video file it doesnt play or if its a word file, the content is messed up. Basically a file is corrupted if it does not have or give the intended contents or does not open
you can use inputstream for reading the file java.io.fileinputstream and write the file using outputstream..
it dosent exist
Yes, it can exist.
It is known as an open file. Files can be opened for reading or writing, or both.
check
A file extention isn't needed but when your the file has a file extention the computer can easily find the appropiate program to run it. If a file doesnt have a file extension the computer will require you to find the appropiate program with means more work for you to do