Hi,

I have made a little patch to support selecting a range in the downloader.
I am not experienced with GObject, so I hope it's ok.

And thanks for developing megatools.





From da0f61965967958404877ca034d433fe80edf9b7 Mon Sep 17 00:00:00 2001
From: aurelien <aurelien.antunes@gmail.com>
Date: Thu, 15 Oct 2020 00:29:26 +0200
Subject: [PATCH] Add range selection to the downloader

---
 tools/dl.c | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/tools/dl.c b/tools/dl.c
index 62df8dc..5026e6a 100644
--- a/tools/dl.c
+++ b/tools/dl.c
@@ -137,14 +137,28 @@ static gint* parse_number_list(const gchar* input,
gint* count)
  return NULL;

  gchar** tokens = g_regex_split(re, input, 0);
- guint i = 0, n_tokens = g_strv_length(tokens);
+ guint i = 0, j = 0, n_tokens = g_strv_length(tokens), n_nums = n_tokens;
  gint* nums = g_new0(gint, n_tokens);

  *count = 0;
-        while (i < n_tokens) {
+ while (i < n_tokens) {
  if (g_regex_match_simple("^\\d{1,7}$", tokens[i], 0, 0)) {
  nums[*count] = atoi(tokens[i]);
  *count += 1;
+ } else if (g_regex_match_simple("^\\d{1,7}-\\d{1,7}$", tokens[i], 0, 0)) {
+ gchar** tokens_range = g_regex_split_simple("-", tokens[i], 0, 0);
+ int min = atoi(tokens_range[0]), max = atoi(tokens_range[1]);
+ if (min < max) {
+ n_nums += max - min;
+ nums = g_renew(gint, nums, n_nums);
+ for (j = min; j <= max; ++j) {
+ nums[*count] = j;
+ *count += 1;
+ }
+ } else {
+ g_printerr("WARNING: Skipping empty range '%s'\n", tokens[i]);
+ }
+ g_strfreev(tokens_range);
  } else {
  g_printerr("WARNING: Skipping non-numeric value '%s'\n", tokens[i]);
  }
@@ -160,7 +174,7 @@ static GSList *prompt_and_filter_nodes(GSList *nodes)
 {
  GSList *chosen_nodes = NULL;

-        gc_free gchar* input = tool_prompt_input();
+ gc_free gchar* input = tool_prompt_input();
  if (input == NULL)
  return g_slist_copy(nodes);

@@ -276,7 +290,7 @@ static GSList* pick_nodes(void)
  position++;
  }

- g_print("Enter numbers of files or folders to download separated by
spaces (or type 'all' to download everything):\n> ");
+ g_print("Enter numbers of files or folders to download separated by
spaces (or type 'all' to download everything, or a range with two numbers
separated by '-'):\n> ");

  chosen_nodes = prompt_and_filter_nodes(nodes);

-- 
2.28.0