logarion/cli/read.ml
Aoi Koizumi (古泉 あおい) bfc8195a31 Fix some typos on the docs
Signed-off-by: Aoi Koizumi (古泉 あおい) <novaburst@kalli.st>
2022-06-20 10:53:27 +01:00

39 lines
1.9 KiB
OCaml

open Logarion
module FS = File_store
module A = Archive
let print r order_opt reverse_opt number_opt authors_opt topics_opt id_opt =
let predicates = if id_opt <> "" then [ A.ided id_opt ] else []
@ A.predicate A.authored authors_opt
@ A.predicate A.topics topics_opt in
let predicate text = List.fold_left (fun a e -> a && e text) true predicates in
let pager = try Sys.getenv "PAGER" with Not_found -> "less" in
let print_text acc (_t, fnames) = Printf.sprintf "%s %s" acc (List.hd fnames) in
let paths = match order_opt with
| false -> FS.fold ~r ~predicate print_text ""
| true ->
let order = match reverse_opt with true -> FS.newest | false -> FS.oldest in
match number_opt with
| Some number -> FS.fold ~r ~predicate ~order ~number print_text ""
| None -> FS.fold ~r ~predicate ~order print_text ""
in if paths = "" then ()
else (ignore @@ Sys.command @@ Printf.sprintf "%s %s" pager paths)
open Cmdliner
let term =
let id = Arg.(value & pos 0 string "" & info [] ~docv:"text ID") in
let recurse = Arg.(value & flag & info ["R"] ~doc:"recurse, include subdirs") in
let reverse = Arg.(value & flag & info ["r"] ~doc:"reverse order") in
let time = Arg.(value & flag & info ["t"] ~doc:"sort by time, newest first") in
let number = Arg.(value & opt (some int) None & info ["n"]
~docv:"number" ~doc:"number of entries to list") in
let authed = Arg.(value & opt (some string) None & info ["authored"]
~docv:"comma-separated names" ~doc:"texts by authors") in
let topics = Arg.(value & opt (some string) None & info ["topics"]
~docv:"comma-separated topics" ~doc:"texts with topics") in
Term.(const print $ recurse $ time $ reverse $ number $ authed $ topics $ id),
Term.info "read" ~doc: "read a text" ~man:[ `S "DESCRIPTION";
`P "List header information for current directory. If -R is used, list header
information for texts found in subdirectories too, along with their filepaths" ]