package janestreet_csv

  1. Overview
  2. Docs
Tools for working with CSVs on the command line

Install 

dune-project
 Dependency

github.com Changelog MIT License Edit opam file Versions (2)

Authors

  1. J
    Jane Street Group, LLC

Maintainers

  1. J
    Jane Street developers

Sources

v0.17.0.tar.gz
sha256=8940b4aa979a3bd5993b52d36cd768fd3bd5d1fb11c36c9c269ee646c7511a41

doc/src/janestreet_csv.csv_tool_lib/validate.ml.html

Source file validate.ml

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open Core
open Async

let run ?sep reader =
  let%bind csv_shape = Csv_shape.create_streaming ?sep reader in
  match Csv_shape.to_error_string csv_shape with
  | Ok () -> return (Ok ())
  | Error error_csv ->
    let error_csv = List.map ~f:(String.concat ~sep:",") error_csv in
    (match error_csv with
     | [ "" ] -> return (Error "")
     | error_csv ->
       return
         (Error
            (String.concat
               ~sep:"\n"
               ("Error: lines with different numbers of columns" :: "" :: error_csv))))
;;