From 9d34a1f4a70f25273012c7b520fbcb1b534c0f13 Mon Sep 17 00:00:00 2001
From: Sam Atkins <atkinssj@serenityos.org>
Date: Wed, 14 Sep 2022 16:26:53 +0100
Subject: [PATCH] md: Port to Core::Stream

---
 Userland/Utilities/md.cpp | 20 +++++---------------
 1 file changed, 5 insertions(+), 15 deletions(-)

diff --git a/Userland/Utilities/md.cpp b/Userland/Utilities/md.cpp
index 87dd3cb8870..1ae675bad90 100644
--- a/Userland/Utilities/md.cpp
+++ b/Userland/Utilities/md.cpp
@@ -6,7 +6,7 @@
 
 #include <AK/String.h>
 #include <LibCore/ArgsParser.h>
-#include <LibCore/File.h>
+#include <LibCore/Stream.h>
 #include <LibCore/System.h>
 #include <LibMain/Main.h>
 #include <LibMarkdown/Document.h>
@@ -17,7 +17,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
     TRY(Core::System::pledge("stdio rpath tty"));
 
-    char const* filename = nullptr;
+    StringView filename;
     bool html = false;
     int view_width = 0;
 
@@ -40,22 +40,12 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
             view_width = 80;
         }
     }
-    auto file = Core::File::construct();
-    bool success;
-    if (filename == nullptr) {
-        success = file->open(STDIN_FILENO, Core::OpenMode::ReadOnly, Core::File::ShouldCloseFileDescriptor::No);
-    } else {
-        file->set_filename(filename);
-        success = file->open(Core::OpenMode::ReadOnly);
-    }
-    if (!success) {
-        warnln("Error: {}", file->error_string());
-        return 1;
-    }
+
+    auto file = TRY(Core::Stream::File::open_file_or_standard_stream(filename, Core::Stream::OpenMode::Read));
 
     TRY(Core::System::pledge("stdio"));
 
-    auto buffer = file->read_all();
+    auto buffer = TRY(file->read_all());
     dbgln("Read size {}", buffer.size());
 
     auto input = String::copy(buffer);