66 lines
2.3 KiB
OCaml
66 lines
2.3 KiB
OCaml
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(*---------------------------------------------------------------------------
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Copyright (c) 2011 The cmdliner programmers. All rights reserved.
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SPDX-License-Identifier: CC0-1.0
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---------------------------------------------------------------------------*)
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(* Implementation of the command, we just print the args. *)
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type prompt = Always | Once | Never
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let prompt_str = function
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| Always -> "always" | Once -> "once" | Never -> "never"
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let rm ~prompt ~recurse files =
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Printf.printf "prompt = %s\nrecurse = %B\nfiles = %s\n"
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(prompt_str prompt) recurse (String.concat ", " files)
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(* Command line interface *)
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open Cmdliner
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open Cmdliner.Term.Syntax
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let files = Arg.(non_empty & pos_all file [] & info [] ~docv:"FILE")
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let prompt =
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let always =
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let doc = "Prompt before every removal." in
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Always, Arg.info ["i"] ~doc
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in
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let never =
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let doc = "Ignore nonexistent files and never prompt." in
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Never, Arg.info ["f"; "force"] ~doc
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in
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let once =
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let doc = "Prompt once before removing more than three files, or when
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removing recursively. Less intrusive than $(b,-i), while
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still giving protection against most mistakes."
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in
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Once, Arg.info ["I"] ~doc
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in
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Arg.(last & vflag_all [Always] [always; never; once])
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let recursive =
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let doc = "Remove directories and their contents recursively." in
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Arg.(value & flag & info ["r"; "R"; "recursive"] ~doc)
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let rm_cmd =
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let doc = "Remove files or directories" in
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let man = [
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`S Manpage.s_description;
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`P "$(cmd) removes each specified $(i,FILE). By default it does not
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remove directories, to also remove them and their contents, use the
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option $(b,--recursive) ($(b,-r) or $(b,-R)).";
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`P "To remove a file whose name starts with a $(b,-), for example
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$(b,-foo), use one of these commands:";
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`Pre "$(cmd) $(b,-- -foo)"; `Noblank;
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`Pre "$(cmd) $(b,./-foo)";
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`P "$(cmd) removes symbolic links, not the files referenced by the
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links.";
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`S Manpage.s_bugs; `P "Report bugs to <bugs@example.org>.";
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`S Manpage.s_see_also; `P "$(b,rmdir)(1), $(b,unlink)(2)" ]
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in
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Cmd.make (Cmd.info "rm" ~version:"v2.0.0+dune" ~doc ~man) @@
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let+ prompt and+ recursive and+ files in
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rm ~prompt ~recurse:recursive files
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let main () = Cmd.eval rm_cmd
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let () = if !Sys.interactive then () else exit (main ())
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