From 80475ad02d6b20d6c667c3be8bc939a83632bd3f Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Mon, 3 Mar 2025 12:53:15 -0500
Subject: Update CLI API

---
 examples/colorful/README.md   |  2 +-
 examples/colorful/colorful.tm | 17 +++++++++++++----
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/examples/colorful/README.md b/examples/colorful/README.md
index 2253431c..e0572bac 100644
--- a/examples/colorful/README.md
+++ b/examples/colorful/README.md
@@ -47,7 +47,7 @@ You can run `colorful` as a standalone executable to render colorful text with
 ANSI escape sequences so it looks nice on a terminal.
 
 ```
-colorful [--inplace] [file] [--by-line]
+colorful [--help] [texts...] [--by-line] [--files ...]
 ```
 
 ## Library Usage
diff --git a/examples/colorful/colorful.tm b/examples/colorful/colorful.tm
index 48405811..71b83873 100644
--- a/examples/colorful/colorful.tm
+++ b/examples/colorful/colorful.tm
@@ -1,7 +1,7 @@
 # Colorful language
 HELP := "
     colorful: A domain-specific language for writing colored text to the terminal
-    Usage: colorful [--by-line] [files...]
+    Usage: colorful [args...] [--by-line] [--files files...]
 "
 
 CSI := "$\033["
@@ -189,12 +189,21 @@ lang Colorful:
     func print(c:Colorful, newline=yes):
         say(c:for_terminal(), newline=newline)
 
-func main(files=[(/dev/stdin)], by_line=no):
+func main(texts:[Text], files=[:Path], by_line=no):
+    for i,text in texts:
+        colorful := Colorful.without_escaping(text)
+        colorful:print(newline=no)
+        if i == texts.length: say("")
+        else: say(" ", newline=no)
+
+    if texts.length == 0 and files.length == 0:
+        files = [(/dev/stdin)]
+
     for file in files:
         if by_line:
-            for line in file:by_line() or exit("Couldn't read file: $file"):
+            for line in file:by_line() or exit("Could not read file: $(file.text)"):
                 colorful := Colorful.without_escaping(line)
                 colorful:print()
         else:
-            colorful := Colorful.without_escaping(file:read() or exit("Couldn't read file: $file"))
+            colorful := Colorful.without_escaping(file:read() or exit("Could not read file: $(file.text)"))
             colorful:print(newline=no)
-- 
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