From 46d43ea41686d2d73c5f1826fb35878531cd63a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Niemier?= <~@hauleth.dev>
Date: Sat, 24 Jan 2026 23:09:03 +0100
Subject: [PATCH] Printable charlists should be formatted as values without
 quotes

---
 src/e9p_sysfs.erl | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/e9p_sysfs.erl b/src/e9p_sysfs.erl
index 78fc83d..4b1db0d 100644
--- a/src/e9p_sysfs.erl
+++ b/src/e9p_sysfs.erl
@@ -126,7 +126,11 @@ open(_FID, [~"system_info", KeyB], _Mode, State) ->
     Key = binary_to_atom(KeyB),
     Data = case erlang:system_info(Key) of
                Val when is_binary(Val) -> Val;
-               Val -> iolist_to_binary(io_lib:format("~p", [Val]))
+               Val ->
+                   case io_lib:printable_list(Val) of
+                       true -> unicode:characters_to_binary(Val);
+                       false -> iolist_to_binary(io_lib:format("~p", [Val]))
+                   end
            end,
     {ok, {Data, 0}, State};
 %% ===== Processes =====
-- 
2.51.2