From 9748307404b34616126aa67e32ef8050a7c55ea4 Mon Sep 17 00:00:00 2001
From: Bryan Jenks <bryanjenks@protonmail.com>
Date: Mon, 20 Apr 2020 16:41:38 -0700
Subject: [PATCH] if ESC from fzf and no deck chosen, then exit

---
 flash | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/flash b/flash
index 5fb68d9..4bec068 100755
--- a/flash
+++ b/flash
@@ -104,6 +104,9 @@ fi
 
 # Show pretty FZF preview of decks using BAT
 DECK="$(find -maxdepth 999 -iname "*.csv" | fzf --preview='bat --theme="Solarized (dark)" --style=numbers --color=always {} | head -500')"
+if [ -z $DECK ]; then # If Variable String Length is 0
+    exit
+fi
 
 main(){
     IFS=$':'; read -a q <<<$(sort "$DECK" -n --field-separator=: --key=4 | head | shuf -n 1)