(* Dump a table to stdout (using the sql command "copy ... to stdout") *) open Postgresql let _ = if Array.length Sys.argv <> 3 then ( Printf.printf "\ Usage: dump conninfo table\n\ Connect to PostgreSQL with [conninfo] (e.g. \"host=localhost\"),\n\ and copy [table] to stdout\n"; exit 1) let main () = let c = new connection ~conninfo:Sys.argv.(1) () in let _ = c#exec ~expect:[Copy_out] ("copy " ^ Sys.argv.(2) ^ " to stdout") in c#copy_out_channel stdout; c#finish let _ = try main () with | Error e -> prerr_endline (string_of_error e) | e -> prerr_endline (Printexc.to_string e)