Added in 1.9.6

/copy -ao <filename> <filename/directory>

Copies a file to another filename or directory.

Switches

-a - Appends the source file to the target file.
-o - Overwrites the target file if it exists.
-f - Flushes copy to disk immediately.

Parameters

<filename> - Filename to copy from. (Can be a wildcard)
<filename/directory> - Filename or directory to copy to.

Example

; Copy all the files in directory 'aaa' into directory 'bbb'.
/copy aaa bbb

; Copy file 'aaa.png' into folder 'bbb'
/copy aaa.png bbb