Menu
I tried using fopen in C, the second parameter is the open mode. The two modes "r" and "rb" tend to confuse me a lot. It seems they are the same. But sometimes it is better to use "rb". So, why does "r" exist? Explain it to me in detail or with examples. Thank You.
920
Hence the "rb" mode opens the file in binary format for reading, while the "wb" mode opens the file in binary format for writing. Unlike text files, binary files are not human-readable.
rb. Open for reading in binary mode. If the file does not exist, fopen() returns NULL. w. Open for writing.
a - opens a file in append mode. r+ - opens a file in both read and write mode. a+ - opens a file in both read and write mode. w+ - opens a file in both read and write mode.
You should use "r" for opening text files. Different operating systems have slightly different ways of storing text, and this will perform the correct translations so that you don't need to know about the idiosyncracies of the local operating system. For example, you will know that newlines will always appear as a simple "\n", regardless of where the code runs.
You should use "rb" if you're opening non-text files, because in this case, the translations are not appropriate.
68
If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With
