let split_filetypes files =
	let acc (dirs, files) x = if Sys.is_directory x
		then (x::dirs, files) else (dirs, x::files) in
	List.fold_left acc ([],[]) files

open Logarion
let file files =
	let dirs, files = split_filetypes files in
	let _link_as_named dir file = Unix.link file (Filename.concat dir file) in
	let link_with_id dir file =
		match File_store.to_text file with Error s -> prerr_endline s
		| Ok t -> Unix.link file (Filename.concat dir (Text.short_id t^".txt")) in
	let link = link_with_id in
	List.iter (fun d -> List.iter (link d) files) dirs

let unfile files =
	let dirs, files = split_filetypes files in
	let unlink dir file = try Unix.unlink (Filename.concat dir file)
		with Unix.(Unix_error(ENOENT,_,_))-> () in
	List.iter (fun d -> List.iter (unlink d) files) dirs

open Cmdliner
let term =
	let files = Arg.(value & pos_all string [] & info []
		~docv:"text filenames and subdirectories") in
	Term.(const file $ files), Term.info "file"
		~doc:"file texts in subdirectories"
		~man:[ `S "DESCRIPTION"; `P "Files all texts in parameter in every
		directory in parameter, using hardlinks.

		Use it to create sub-repositories for sharing or converting" ]

let unfile_term =
	let files = Arg.(value & pos_all string [] & info []
		~docv:"text filenames and subdirectories") in
	Term.(const unfile $ files), Term.info "unfile"
		~doc:"unfile texts from subdirectories"
		~man:[ `S "DESCRIPTION"; `P "unfile texts in parameter from
	directories in parameter, by removing hardlinks" ]