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version 2.091.0

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Function std.path.withExtension

Replace existing extension on filespec with new one.

auto auto withExtension(R, C) (
  R path,
  C[] ext
)
if (isRandomAccessRange!R && hasSlicing!R && hasLength!R && isSomeChar!(ElementType!R) && !isSomeString!R && isSomeChar!C);

auto auto withExtension(C1, C2) (
  C1[] path,
  C2[] ext
)
if (isSomeChar!C1 && isSomeChar!C2);

Parameters

NameDescription
path string or random access range representing a filespec
ext the new extension

Returns

Range with path's extension (if any) replaced with ext. The element encoding type of the returned range will be the same as path's.

See Also

setExtension

Example

import std.array;
writeln(withExtension("file", "ext").array); // "file.ext"
writeln(withExtension("file"w, ".ext"w).array); // "file.ext"
writeln(withExtension("file.ext"w, ".").array); // "file."

import std.utf : byChar, byWchar;
writeln(withExtension("file".byChar, "ext").array); // "file.ext"
writeln(withExtension("file"w.byWchar, ".ext"w).array); // "file.ext"w
writeln(withExtension("file.ext"w.byWchar, ".").array); // "file."w

Authors

Lars Tandle Kyllingstad, Walter Bright, Grzegorz Adam Hankiewicz, Thomas Kühne, Andrei Alexandrescu

License

Boost License 1.0