Vocabulary
io.directories

Inputs and outputs

from	a pathname string
to	a pathname string

Word description
Copies a file.

Notes
This operation attempts to preserve the original file's attributes, however not all attributes may be preserved.

Errors
Throws an error if the file does not exist or if the copy operation fails.

Definition

USING: io.backend ;

IN: io.directories

HOOK: copy-file io-backend ( from to -- )

Methods

USING: destructors io io.directories io.encodings.binary
io.files io.pathnames kernel ;

M: object copy-file
dup parent-directory make-directories binary <file-writer>
[
swap binary <file-reader>
[ swap stream-copy ] with-disposal
] with-disposal ;

USING: generic io.backend io.directories io.files.info.unix
kernel system ;

M: unix copy-file
[ normalize-path ] bi@
[ M\ unix copy-file (call-next-method) ]
[ [ file-permissions ] dip swap set-file-permissions ] 2bi
;