`cp` for filesystem

Copy files using uutils/coreutils cp.

Signature

> cp {flags} ...rest

--recursive, -r: Copy directories recursively.
--verbose, -v: Explicitly state what is being done.
--force, -f: If an existing destination file cannot be opened, remove it and try again (this option is ignored when the -n option is also used). Currently not implemented for windows.
--interactive, -i: Ask before overwriting files.
--update, -u: Copy only when the SOURCE file is newer than the destination file or when the destination file is missing.
--progress, -p: Display a progress bar.
--no-clobber, -n: Do not overwrite an existing file.
--preserve {list<string>}: Preserve only the specified attributes (empty list means no attributes preserved) if not specified only mode is preserved possible values: mode, ownership (unix only), timestamps, context, link, links, xattr.
--debug: Explain how a file is copied. Implies -v.
--all, -a: Copy hidden files if '*' is provided.

input	output
nothing	nothing

Copy myfile to dir_b.

> cp myfile dir_b

Recursively copy dir_a to dir_b.

> cp -r dir_a dir_b

Recursively copy dir_a to dir_b, and print the feedbacks.

> cp -r -v dir_a dir_b

Move many files into a directory.

> cp *.txt dir_a

Copy only if source file is newer than target file.

> cp -u myfile newfile

Copy file preserving mode and timestamps attributes.

> cp --preserve [ mode timestamps ] myfile newfile

Copy file erasing all attributes.

> cp --preserve [] myfile newfile

Copy file to a directory three levels above its current location.

> cp myfile ....