diff --git a/README.md b/README.md
index fa6683a..06c0311 100644
--- a/README.md
+++ b/README.md
@@ -10,13 +10,18 @@ A pattern/replacement can be:
     A variable: ?foo, ?bar, ?baz
     A sequence of the above: (foo bar baz), (foo ?bar baz), foo (bar (baz))
 
+## Build
+
+```
+cc src/modal.c -o bin/modal
+```
+
 ## Run
 
 ```
-python3 ./modal.py
+bin/modal examples/hello.modal
 ```
 
 ## Credits
 
 Created by [wryl](https://wryl.tech/), Immediate Mode Technologies.
-
diff --git a/build.sh b/build.sh
deleted file mode 100755
index 5cd834b..0000000
--- a/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/usr/bin/env sh
-
-python3 ./modal.py $1
diff --git a/combinators.modal b/examples/combinators.modal
similarity index 100%
rename from combinators.modal
rename to examples/combinators.modal
diff --git a/concat.modal b/examples/concat.modal
similarity index 100%
rename from concat.modal
rename to examples/concat.modal
diff --git a/lisp.modal b/examples/lisp.modal
similarity index 100%
rename from lisp.modal
rename to examples/lisp.modal
diff --git a/prelude.modal b/examples/prelude.modal
similarity index 100%
rename from prelude.modal
rename to examples/prelude.modal
diff --git a/prelude2.modal b/examples/prelude2.modal
similarity index 100%
rename from prelude2.modal
rename to examples/prelude2.modal
diff --git a/test.modal b/examples/test.modal
similarity index 100%
rename from test.modal
rename to examples/test.modal
diff --git a/makefile b/makefile
index c11ef42..02ffa3b 100644
--- a/makefile
+++ b/makefile
@@ -8,10 +8,10 @@ all: dest bin/modal
 dest:
 	@ mkdir -p bin
 run: all
-	@ bin/modal test.modal
+	@ bin/modal examples/test.modal
 test: all
 	@ bin/modal -v 
-	@ bin/modal test.modal
+	@ bin/modal examples/test.modal
 install: all 
 	@ cp bin/modal ~/bin/
 uninstall:
diff --git a/modal.py b/old/modal.py
similarity index 100%
rename from modal.py
rename to old/modal.py
diff --git a/src/modal.c b/src/modal.c
index 128fa88..fd7fa6f 100644
--- a/src/modal.c
+++ b/src/modal.c
@@ -19,8 +19,7 @@ walk(char *s)
 	while((c = *s++)) {
 		if(c == '(') depth++;
 		if(c == ')') --depth;
-		if(c == ' ' && !depth)
-			break;
+		if(c == ' ' && !depth) break;
 	}
 	return s - 1;
 }
@@ -55,6 +54,7 @@ static void
 save(void)
 {
 	int i, end = outp_ - outp;
+	/* todo: change pointer instead of copying memory */
 	for(i = 0; i <= end; i++) prog[i] = outp[i];
 	prog_ = prog, outp_ = outp;
 	printf(".. %s\n", prog);
@@ -111,10 +111,8 @@ parse_rulefrag(FILE *f)
 	while(f && fread(&c, 1, 1, f) && c && c != 0xa) {
 		if(c == '(') depth++;
 		if(c == ')') --depth;
-		if(c == ' ' && !depth)
-			break;
-		else
-			*dict_++ = c;
+		if(c == ' ' && !depth) break;
+		*dict_++ = c;
 	}
 	*dict_++ = 0;
 	return origin;