Display the source code in std/stdio.d from which thispage was generated on github.

If you spot a problem with this page, click here to create aBugzilla issue.

Quickly fork, edit online, and submit a pull request for this page.Requires a signed-in GitHub account. This works well for small changes.If you'd like to make larger changes you may want to consider usinglocal clone.

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.