Changed option flag for ls to display file and dir count to an unused one and made it read like dir in Windows (which is what it's meant to mimic, after all).

src/main/resources/assets/opencomputers/loot/OpenOS/bin/ls.lua

@@ -30,7 +30,11 @@ for i = 1, #dirs do
     local lsf = {}
     for f in list do
       if f:sub(-1) == "/" then
-        table.insert(lsd, f)
+        if options.p then
+          table.insert(lsd, f)
+        else
+          table.insert(lsd, f:sub(1, -2))
+        end
       else
         table.insert(lsf, f)
       end
@@ -65,9 +69,9 @@ for i = 1, #dirs do
       end
     end
     setColor(0xFFFFFF)
-    if options.c then
-      io.write("\nDirectories: "..tostring(#lsd))
-      io.write("\nFiles: "..tostring(#lsf))
+    if options.M then
+      io.write("\n" .. tostring(#lsf) .. " File(s)")
+      io.write("\n" .. tostring(#lsd) .. " Dir(s)")
     end
     if not options.l then
       io.write("\n")
@@ -75,3 +79,4 @@ for i = 1, #dirs do
   end
 end
 io.output():setvbuf("no")
+io.output():flush()

src/main/resources/assets/opencomputers/loot/OpenOS/usr/man/ls

@@ -12,6 +12,10 @@ OPTIONS
     do not ignore entries starting with .
   -l
     use a long listing format
+  -p
+    append / indicator to directories
+  -M
+    display Microsoft-style file and directory count after listing
 
 EXAMPLES
   ls

src/main/scala/li/cil/oc/util/LuaStateFactory.scala

@@ -103,10 +103,10 @@ object LuaStateFactory {
     // If the file, already exists, make sure it's the same we need, if it's
     // not disable use of the natives.
     if (file.exists()) {
+      var matching = true
       try {
         val inCurrent = libraryUrl.openStream()
         val inExisting = new FileInputStream(file)
-        var matching = true
         var inCurrentByte = 0
         var inExistingByte = 0
         do {