Merge a7061f79bf27c44416350bdc06237d160c564f21 into 07952026753f1bbeaf5b6c4eb5414a9c51536041

.local/bin/channelrefresh

@@ -2,6 +2,14 @@
 
 while ! ping -c 1 9.9.9.9 > /dev/null 2>&1; do sleep 0.5; done
 
+# "~/.local/share/channels.txt" looks like below:
+# Luke Smith=https://www.youtube.com/@LukeSmithxyz/videos
+# Mental Outlaw=https://www.youtube.com/@MentalOutlaw/videos
+
+# ~/.local/share/categories.txt looks like below:
+# Tech=Luke Smith|Mental Outlaw
+
+INSTALLER="sudo pacman -S --noconfirm"
 DATA_DIR="$HOME/.cache/youtube_channels"
 CHANNEL_LIST="$HOME/.local/share/channels.txt"
 mkdir -p "$DATA_DIR" && touch "$CHANNEL_LIST"
@@ -15,7 +23,16 @@ error_handling() {
 	    notify-send "'channels.txt' formatting is wrong."
 	    exit 1
     }
-}
+    for pkg in yt-dlp mpv jq; do
+        command -v "$pkg" >/dev/null || {
+            notify-send "$pkg is not installed. Installing..."
+            $INSTALLER "$pkg" || {
+                notify-send "Failed to install $pkg."
+                exit 1
+            }
+    }
+    done
+}    
 
 compare_data() {
   local channel_name="$1"

.local/bin/ybrowser

@@ -8,6 +8,11 @@ CUSTOM_LIST_DIR="$DATA_DIR/custom_lists"
 
 mkdir -p "$DATA_DIR" "$DOWNLOAD_DIR" "$CUSTOM_LIST_DIR"
 
+[ "$(find "$DATA_DIR" -maxdepth 1 -type f -name "*.tsv" 2>/dev/null)" ] || {
+	notify-send "You need to run "channelrefresh" script first."
+        exit 1
+}
+
 DMENU() {
     dmenu -i -l $1 -p "$2"
 }
@@ -64,7 +69,7 @@ custom_list_menu() {
     [ -z "$list" ] && return
     case "$list" in
       *CREATE*)
-        new_list=$(DMENU 0 "Enter the name of the new list")
+        new_list=$(echo "" | DMENU 0 "Enter the name of the new list")
         [ -n "$new_list" ] && touch "$CUSTOM_LIST_DIR/$new_list"
         ;;
       *DELETE*)