From 2bc948567e51e2c79cc703968e59c4caccb4b176 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Sat, 7 Sep 2024 00:35:57 -0400
Subject: Check for empty files

---
 examples/tomodeps.tm | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'examples')

diff --git a/examples/tomodeps.tm b/examples/tomodeps.tm
index e7066a5a..34216806 100644
--- a/examples/tomodeps.tm
+++ b/examples/tomodeps.tm
@@ -126,7 +126,14 @@ func draw_tree(file:Text, dependencies:{Text:{Text}}):
         _draw_tree(child, dependencies, already_printed=&printed, is_last=is_child_last)
 
 func main(files:[Text]):
-    for f,file in files:
+    if files.length == 0:
+        say("
+            Please provide at least one file!
+            $_USAGE
+        ")
+        return
+
+    for file in files:
         if not file:matches($/{..}.tm/):
             say("$\x1b[2mSkipping $file$\x1b[m")
             skip
-- 
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