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Function std.path.extension
auto auto extension(R)
(
R path
)
if (isRandomAccessRange!R && hasSlicing!R && isSomeChar!(ElementType!R) || is(StringTypeOf!R));
Parameters
Name | Description |
---|---|
path | A path name. |
Returns
The extension part of a file name, including the dot.
If there is no extension, null
is returned.
Example
import std .range : empty;
assert(extension("file") .empty);
writeln(extension("file.")); // "."
writeln(extension("file.ext"w)); // ".ext"
writeln(extension("file.ext1.ext2"d)); // ".ext2"
assert(extension(".foo" .dup) .empty);
writeln(extension(".foo.ext"w .dup)); // ".ext"
static assert(extension("file") .empty);
static assert(extension("file.ext") == ".ext");
Authors
Lars Tandle Kyllingstad, Walter Bright, Grzegorz Adam Hankiewicz, Thomas Kühne, Andrei Alexandrescu
License
Copyright © 1999-2022 by the D Language Foundation | Page generated by ddox.