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Function `std.stdio.File.tell`

Calls ftell for the managed file handle, which returns the current value of the position indicator of the file handle.


						
				ulong tell() @property @trusted const;

Throws

Exception if the file is not opened. ErrnoException if the call to ftell fails.

Example

import std.conv : text;
static import std.file;

auto testFile = std.file.deleteme();
write(testFile, "abcdefghijklmnopqrstuvwqxyz");
scope(exit) { remove(testFile); }

auto f = File(testFile);
auto a = new ubyte[4];
f.rawRead(a);
writeln(f.tell); // 4

Authors

Walter Bright, Andrei Alexandrescu, Alex Rønne Petersen

License

Boost License 1.0.