Could you please help me with an opposite issue? I need to close a file, but I am only given a filename (I presume I need to convert it to a file descriptor). Is it possible at all, and if so – in which way? Thanks.
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Could you please help me with an opposite issue? I need to close a file, but I am only given a filename (I presume I need to convert it to a file descriptor). Is it possible at all, and if so – in which way? Thanks.
Using POSIX standard APIs? No.
On some linux systems, you might be able to figure it out via /proc/PID/fd.