diff --git a/autotest/ins/primary.dat b/autotest/ins/primary.dat
new file mode 100644
index 000000000..fe56c6230
--- /dev/null
+++ b/autotest/ins/primary.dat
@@ -0,0 +1,3 @@
+datetime,dif_bgs_H_mean
+2017-07-22 16:00:00,0.0
+2017-07-22 17:00:00,-0.01093397575757582
\ No newline at end of file
diff --git a/autotest/ins/primary.dat.ins b/autotest/ins/primary.dat.ins
new file mode 100644
index 000000000..461c2f922
--- /dev/null
+++ b/autotest/ins/primary.dat.ins
@@ -0,0 +1,3 @@
+pif @
+@2017-07-22 16:00:00,@ !20170722_16_dif_wlev_bgs_H!
+@2017-07-22 17:00:00,@ !20170722_17_dif_wlev_bgs_H!
diff --git a/autotest/pst_from_tests.py b/autotest/pst_from_tests.py
index ff316cf67..320b62d90 100644
--- a/autotest/pst_from_tests.py
+++ b/autotest/pst_from_tests.py
@@ -1303,7 +1303,7 @@ def mf6_freyberg_direct_test():
 if __name__ == "__main__":
     #freyberg_test()
     #freyberg_prior_build_test()
-    #mf6_freyberg_test()
-    mf6_freyberg_shortnames_test()
+    mf6_freyberg_test()
+    #mf6_freyberg_shortnames_test()
     #mf6_freyberg_da_test()
     #mf6_freyberg_direct_test()
diff --git a/autotest/pst_tests.py b/autotest/pst_tests.py
index e96627d77..8266f3459 100644
--- a/autotest/pst_tests.py
+++ b/autotest/pst_tests.py
@@ -488,6 +488,11 @@ def try_process_ins_test():
     import pandas as pd
     import pyemu
 
+    ins_file = os.path.join("ins","primary.dat.ins")
+    i = pyemu.pst_utils.InstructionFile(ins_file)
+    df2 = i.read_output_file(ins_file.replace(".ins", ""))
+    print(df2)
+
     ins_file = os.path.join("utils", "BH.mt3d.processed.ins")
     i = pyemu.pst_utils.InstructionFile(ins_file)
     df2 = i.read_output_file(ins_file.replace(".ins",""))
@@ -507,6 +512,7 @@ def try_process_ins_test():
 
 
 
+
 def sanity_check_test():
     import os
     import pyemu
@@ -864,14 +870,14 @@ def new_format_path_mechanics_test():
 
 if __name__ == "__main__":
 
-    process_output_files_test()
+    #process_output_files_test()
     #change_limit_test()
     #new_format_test()
     #lt_gt_constraint_names_test()
-    csv_to_ins_test()
+    #csv_to_ins_test()
     #pst_from_flopy_geo_draw_test()
     #pst_from_flopy_specsim_draw_test()
-    #try_process_ins_test()
+    try_process_ins_test()
     # write_tables_test()
     #res_stats_test()
     # test_write_input_files()
diff --git a/pyemu/pst/pst_utils.py b/pyemu/pst/pst_utils.py
index d77e3575a..f909c67f5 100644
--- a/pyemu/pst/pst_utils.py
+++ b/pyemu/pst/pst_utils.py
@@ -1191,7 +1191,7 @@ def find_all(a_str, sub):
                     yield start
                     start += len(sub)
             midx = list(find_all(line,self._marker))
-            midx.append(len(line)-1)
+            midx.append(len(line))
             first =line[:midx[0]].strip()
             tokens = []
             if len(first) > 0: