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version 2.081.0

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Function std.file.attrIsSymlink

Returns whether the given file attributes are for a symbolic link.

bool attrIsSymlink (
  uint attributes
) pure nothrow @nogc @safe;

On Windows, return true when the file is either a symbolic link or a junction point.

Parameters

NameDescription
attributes The file attributes.

Returns

true if attributes are for a symbolic link

Example

core.sys.posix.unistd.symlink("/etc/fonts/fonts.conf", "/tmp/alink");

assert(!getAttributes("/tmp/alink").isSymlink);
assert(getLinkAttributes("/tmp/alink").isSymlink);

Example

import std.exception : assertThrown;

auto source = deleteme ~ "source";
auto target = deleteme ~ "target";

assert(!source.exists);
assertThrown!FileException(source.getLinkAttributes.attrIsSymlink);

// symlinking isn't available on Windows
version(Posix)
{
    scope(exit) source.remove, target.remove;

    target.write("target");
    target.symlink(source);
    writeln(source.readText); // "target"
    assert(source.isSymlink);
    assert(source.getLinkAttributes.attrIsSymlink);
}

Authors

Walter Bright, Andrei Alexandrescu, Jonathan M Davis

License

Boost License 1.0.