From 446b9181e6c27b65e057397884fa64ffbbb572cf Mon Sep 17 00:00:00 2001
From: David Peter <mail@david-peter.de>
Date: Sun, 29 May 2022 21:04:47 +0200
Subject: [PATCH] Add simple 'directories' plugin

---
 plugins/directories.lua | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 plugins/directories.lua

diff --git a/plugins/directories.lua b/plugins/directories.lua
new file mode 100644
index 00000000..25d44806
--- /dev/null
+++ b/plugins/directories.lua
@@ -0,0 +1,17 @@
+-- https://stackoverflow.com/a/3254007/704831
+function is_dir(path)
+    local f = io.open(path, "r")
+    local ok, err, code = f:read(1)
+    f:close()
+    return code == 21
+end
+
+function preprocess(path)
+    if is_dir(path) then
+        tmpfile = os.tmpname()
+        os.execute("ls -alh --color=always '" .. path .. "' > '" .. tmpfile .. "'")
+        return tmpfile
+    else
+        return path
+    end
+end