B0_editor (b0.B0

Editing

type t

The type for editors.

val find : 
  ?search:B0_std.Cmd.tool_search ->
  ?cmd:B0_std.Cmd.t ->
  unit ->
  (t, string) Stdlib.result

find ?search ?cmd () finds a suitable editor. This is (in order):

Ok e or Error _ if cmd is specified and according to whether OS.Cmd.get ?search succeeds
Ok e if pager is a tool invocation parsed from the VISUAL environment variable that can be found via Os.Cmd.find ?search.
Ok e if pager is a tool invocation parsed from the EDITOR environment variable that can be found via Os.Cmd.find ?search
Ok e if Cmd.tool "nano" can be found via Os.Cmd.find ?search.
Error _ otherwise.

val edit_files : 
  t ->
  B0_std.Fpath.t list ->
  (B0_std.Os.Cmd.status, string) Stdlib.result

edit_files editor fs uses editor to edit the files fs. If editor is:

None, an error message is returned mentioning that no editor was found.
Some editor invokes the command with files fs and returns the exit status of the program.

module Env : sig ... end

Environment variables.