From 0a9f9ae8d11a43108f0b8fffae954da4f9539b7f Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Tue, 23 May 2023 21:45:33 -0700
Subject: awk: bug: fix ->> appending redirection operator.

* stdlib/awk.tl (awk-state ensure-stream): Fix missing
handling for the :apf kind symbol used by appending.

* tests/015/awk-redir.tl: New file.
---
 stdlib/awk.tl          |  2 +-
 tests/015/awk-redir.tl | 42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 tests/015/awk-redir.tl

diff --git a/stdlib/awk.tl b/stdlib/awk.tl
index d82ab8c3..1ce292ef 100644
--- a/stdlib/awk.tl
+++ b/stdlib/awk.tl
@@ -194,7 +194,7 @@
   (hash-update-1 self.streams
                  ^(,kind ,path)
                  (do or @1 (caseq kind
-                             ((:inf :outf) (open-file path mode))
+                             ((:inf :outf :apf) (open-file path mode))
                              ((:inp :outp) (open-command path mode))))
                  nil))
 
diff --git a/tests/015/awk-redir.tl b/tests/015/awk-redir.tl
new file mode 100644
index 00000000..5359ea2b
--- /dev/null
+++ b/tests/015/awk-redir.tl
@@ -0,0 +1,42 @@
+(load "../common")
+
+(push-after-load
+  (each ((f '#"file1.out file2.out file3.out"))
+    (remove-path f)))
+
+(file-put-lines "file1.out" '("old"))
+(file-put-lines "file2.out" '("old"))
+
+(awk
+  (:begin (->> "file1.out" (prn "abc"))
+          (->> "file1.out" (prn "def"))))
+
+(test
+  (file-get-lines "file1.out")
+  #"old abc def")
+
+(awk
+  (:begin (-> "file2.out" (prn "abc"))
+          (-> "file2.out" (prn "def"))))
+
+(test
+  (file-get-lines "file2.out")
+  #"abc def")
+
+(test
+  (build
+    (awk
+      (:begin (<- "file1.out" (add (get-line)))
+              (<- "file1.out" (add (get-line))))))
+  #"old abc")
+
+
+(awk (:begin (!> "cat > file3.out" (prn "out"))))
+
+(test (file-get-string "file3.out") "out\n")
+
+(test
+  (build
+    (awk
+      (:begin (<! "cat file3.out" (add (get-line))))))
+  #"out")
-- 
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