jp: Use File::standard_input() when reading from stdin

Trying to open '/dev/stdin' resulted in ENOENT. Instead use the
standard_input() helper to get the File.

1 files changed, 4 insertions, 3 deletions

diff --git a/Userland/Utilities/jp.cpp b/Userland/Utilities/jp.cpp
index 99612c1adb..1523e01254 100644
--- a/Userland/Utilities/jp.cpp
+++ b/Userland/Utilities/jp.cpp
@@ -36,10 +36,11 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     VERIFY(spaces_in_indent >= 0);
     args_parser.parse(arguments);
 
+    RefPtr<Core::File> file;
     if (path == nullptr)
-        path = "/dev/stdin"sv;
-
-    auto file = TRY(Core::File::open(path, Core::OpenMode::ReadOnly));
+        file = Core::File::standard_input();
+    else
+        file = TRY(Core::File::open(path, Core::OpenMode::ReadOnly));
 
     TRY(Core::System::pledge("stdio"));