french-wiktionary-flashcards

commit fd50a9d9b9e0ba108e001dc248319de696ad6546
parent 38cd475b37026775c7d0d1ab825636bea5d304f4
Author: David Schlachter <mba-debian-git@schlachter.ca>
Date:   Tue, 29 Sep 2026 13:19:29 -0400

Friendlier error if dictionary argument is not provided

Diffstat:
M
main.go
 | 
6
++++++

1 file changed, 6 insertions(+), 0 deletions(-)
diff --git a/main.go b/main.go
@@ -4,9 +4,11 @@ package main
 
 import (
 	"database/sql"
+	"errors"
 	"flag"
 	"log"
 	"net/http"
+	"os"
 	"time"
 
 	tea "github.com/charmbracelet/bubbletea"
@@ -55,6 +57,10 @@ func main() {
 		log.Fatal(
 			"The -rawDictionary flag cannot be empty. (Defaults to raw-wiktextract-data.jsonl.)",
 		)
+	} else if *rawDict == "raw-wiktextract-data.jsonl" {
+		if _, err := os.Stat("./raw-wiktextract-data.jsonl"); errors.Is(err, os.ErrNotExist) {
+			log.Fatal("Could not find raw dictionary data file! You can get this by downloading and gunzipping https://kaikki.org/frwiktionary/raw-wiktextract-data.jsonl.gz.")
+		}
 	}
 	if *deckName == "" {
 		log.Fatal("The -deck flag must be provided (name of the deck where Anki cards will be created).")