X-Git-Url: http://nitlanguage.org

diff --git a/src/nitpretty.nit b/src/nitpretty.nit
index 1d7641d..d759992 100644
--- a/src/nitpretty.nit
+++ b/src/nitpretty.nit
@@ -56,7 +56,7 @@ end
 
 # Return result from diff between `file1` and `file2`.
 private fun diff(file1, file2: String): String do
-	var p = new IProcess("diff", "-u", file1, file2)
+	var p = new ProcessReader("diff", "-u", file1, file2)
 	var res = p.read_all
 	p.wait
 	p.close
@@ -108,12 +108,11 @@ if toolcontext.opt_skip_empty.value then
 end
 
 for mmodule in mmodules do
-	if not mbuilder.mmodule2nmodule.has_key(mmodule) then
+	var nmodule = mbuilder.mmodule2node(mmodule)
+	if nmodule == null then
 		print " Error: no source file for module {mmodule}"
 		return
 	end
-
-	var nmodule = mbuilder.mmodule2nmodule[mmodule]
 	var file = "{dir}/{mmodule.name}.nit"
 	var tpl = v.pretty_nmodule(nmodule)
 	tpl.write_to_file file