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Function `std.file.copy`

Copy file from to file to. File timestamps are preserved. File attributes are preserved, if preserve equals Yes.preserveAttributes. On Windows only Yes.preserveAttributes (the default on Windows) is supported. If the target file exists, it is overwritten.


						
				void copy(RF, RT)
				(
				

				  RF from,
				

				  RT to,
				

				  PreserveAttributes preserve = preserveAttributesDefault
				

				)
				

				if (isInputRange!RF && !isInfinite!RF && isSomeChar!(ElementEncodingType!RF) && !isConvertibleToString!RF && isInputRange!RT && !isInfinite!RT && isSomeChar!(ElementEncodingType!RT) && !isConvertibleToString!RT);
				

				

				void copy(RF, RT)
				(
				

				  auto ref RF from,
				

				  auto ref RT to,
				

				  PreserveAttributes preserve = preserveAttributesDefault
				

				)
				

				if (isConvertibleToString!RF || isConvertibleToString!RT);

Parameters

Name	Description
from	string or range of characters representing the existing file name
to	string or range of characters representing the target file name
preserve	whether to preserve the file attributes

Throws

FileException on error.

Example

auto source = deleteme ~ "source";
auto target = deleteme ~ "target";
auto targetNonExistent = deleteme ~ "target2";

scope(exit) source.remove, target.remove, targetNonExistent.remove;

source.write("source");
target.write("target");

writeln(target.readText); // "target"

source.copy(target);
writeln(target.readText); // "source"

source.copy(targetNonExistent);
writeln(targetNonExistent.readText); // "source"

Authors

Walter Bright, Andrei Alexandrescu, Jonathan M Davis

License

Boost License 1.0.