diff --git a/2001/herrmann2/.gitignore b/2001/herrmann2/.gitignore
index 188889829..981ac5f50 100644
--- a/2001/herrmann2/.gitignore
+++ b/2001/herrmann2/.gitignore
@@ -4,6 +4,7 @@
 cup.out
 cup.out2
 herrmann2
+herrmann2.alt
 herrmann2.orig
 indent
 indent.c
diff --git a/bin/sgi.sh b/bin/sgi.sh
index 29e6ffb07..016a38d17 100755
--- a/bin/sgi.sh
+++ b/bin/sgi.sh
@@ -47,5 +47,5 @@
 # Share and enjoy! :-)
 
 sed -e '/^#/s/.*/0 &/' -e '/^*/s/.*/1 &/' -e '/^[^01*!]/s/.*/2 &/' -e '/^!/s/.*/3 &/' |
-    sort -k 1n -k 2d |
+    sort -u -k 1n -k 2d |
     sed 's/[0123] //'