File modes are the elements used to perform various tasks.
Like – Create a file ,Open ,Read, Delete ,Append ,close .
The following description of all modes .
r For open a file to read only .File pointer will start at the beginning of file .
w For Open a file to write only. File pointer will start at the beginning of file .
x For creates a new file for write only.
r+ For Open a file for read/write. File pointer will start at the beginning of file .
w+ For Open a file for read/write.. File pointer will start at the beginning of file .
a+ For Open a file for read/write File pointer will start at the end of file .It Creates a new file if the file doesn't exist.
x+ Creates a new file for read/write.It Returns FALSE and an error if file already exists.(Your file does not exist)
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