diff --git a/.coveragerc b/.coveragerc
index 0fa1a54..2456287 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -26,3 +26,4 @@ exclude_lines =
     # Don't complain if non-runnable code isn't run:
     if 0:
     if __name__ == .__main__.:
+    if not IsWin: 
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 7f98a3c..65e2ca8 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,13 @@
 Changelog
 =========
 
+Version 0.1.1
+===========
+
+- Simplified glob code
+- PATH settings are limited to Windows
+- Basic tests passed (97% coverage | 189run | 0 missing | 4 excluded | 8 partial)
+
 Version 0.1 "Bowman"
 ===========
 
diff --git a/src/kubi/kubi.py b/src/kubi/kubi.py
index a834062..5ab58c2 100644
--- a/src/kubi/kubi.py
+++ b/src/kubi/kubi.py
@@ -7,10 +7,15 @@
 import logging
 import sys
 import os
+import platform
 import glob
 import numpy as np
 from numpy import pi
 
+IsWin = platform.system() == 'Windows'
+if not IsWin:
+    import pyvips
+
 from kubi import __version__
 
 __author__ = "Keim, Stefan"
@@ -28,28 +33,29 @@
 
 
 def kubi(args):
-    os.environ['PATH'] =  'C:/Program Files/vips-dev-8.10/bin' + ';' + os.environ['PATH']
 
-    if args.vips:
-        os.environ['PATH'] = args.vips + ';' + os.environ['PATH']
-    
-    import pyvips
+    if IsWin:
+        if args.vips:
+            os.environ['PATH'] = args.vips + ';' + os.environ['PATH']
+        import pyvips
     
     src_names = None
+    if args.src:
+        src_names = glob.glob(args.src,recursive=True)
+        src_count = len(src_names)
+        src_multi = src_count > 1
+
+        if src_count == 0:
+            print(f'{args.src}: No such file or directory')
+            return
+
     if args.ii == None:
         _logger.info('Generating index')
 
         size = -1
         if args.size:
             size = args.size
-        elif args.src:
-            src_names = glob.glob(args.src,recursive=True)
-            src_count = len(src_names)
-            src_multi = src_count > 1
-
-            if src_count == 0:
-                print(f'{args.src}: No such file or directory')
-                return
+        elif src_names is not None:
             for name in src_names:
                 image = pyvips.Image.new_from_file(name)
                 size = max(size, int(image.width / 4))
@@ -100,7 +106,8 @@ def kubi(args):
                 index = None
                 idxA = idx
             else:
-                index = pyvips.Image.arrayjoin(idx, across=6 if args.layout == "row" else 1)
+                across = 6 if args.layout == "row" else 1
+                index = pyvips.Image.arrayjoin(idx, across = across)
         else:
             s0 = 0
             s1 = size
@@ -155,11 +162,17 @@ def kubi(args):
 
     idx = None
 
-    if args.src:
-        if src_names is None:
-            src_names = glob.glob(args.src, recursive=True)
-            src_count = len(src_names)
-            src_multi = src_count > 1
+
+    if src_names is not None:
+
+# # # # has no effect on performance
+#
+#       if src_multi:
+#           if index is None:
+#               for f in range(6):
+#                   idxA[f] = idxA[f].copy_memory()
+#           else:
+#               index = index.copy_memory()
 
         dst_suffix = '_'+ args.transform
         dst_folder = dst_name = dst_ext = None 
@@ -196,7 +209,6 @@ def kubi(args):
             dst = f'{dst_folder}/{dst_name}{dst_suffix}'
         
             fac = img.width/4
-
             
             if index is None:
                 for f in range(6):
@@ -266,10 +278,12 @@ def parse_args(args):
     """)
     parser.add_argument('-f', '--facenames', metavar="<str>", nargs=6 ,help='suffixes for +X, -X, +Y, -Y, +Z, -Z (e.g. -n r l u d f b)')
     parser.add_argument('-co', dest='co', metavar='<NAME=VALUE>*', action='append',  help='create options (more info in the epilog)')
-    parser.add_argument('--vips', help='path to the VIPS bin directory (usefull if VIPS is not added to PATH; e.g. on Windows)')
     parser.add_argument('--io', dest='io', help='index file output', metavar='dstindex')
     parser.add_argument('--ii', dest='ii', help='index file input', metavar='srcindex')
 
+    if IsWin:
+        parser.add_argument('--vips', help='path to the VIPS bin directory (usefull if VIPS is not added to PATH)')
+
     args = parser.parse_args(args)
 
     if args.src is None:
diff --git a/tests/test_kubi.py b/tests/test_kubi.py
index 5090d85..c0de45e 100644
--- a/tests/test_kubi.py
+++ b/tests/test_kubi.py
@@ -64,15 +64,15 @@ def test_main_none_io(capsys):
     assert dst0.bands == 3
 
 def test_main_none_ii(capsys):
-    args = ['--ii', path_out + 'idx_none', path_in+'baseoverlay.tif', path_out+'baseoverlay_none.png']
+    args = ['--ii', path_out + 'idx_none', path_in+'base*.tif', path_out+'multi.png']
     print('\nargs:  '+' '.join(args))
     main(args)
     
-    dst_names = glob.glob(path_out+"*overlay_none*.png")
-    assert len(dst_names) == 6
+    dst_names = glob.glob(path_out+"*multi*.png")
+    assert len(dst_names) == 12
     dst0 = pyvips.Image.new_from_file(dst_names[0])
     assert dst0.width == dst0.height == 1024
-    assert dst0.bands == 4
+    assert dst0.bands == 3
 
 
 def test_main_none_inplace(capsys):
@@ -87,7 +87,7 @@ def test_main_none_inplace(capsys):
     assert dst0.width == dst0.height == 256
 
 def test_main_none_sub(capsys):
-    args = ['-s', '256', '-t', 'optan', path_out+'bm.tif', path_out+'sub/warped.png']
+    args = ['-s', '256', '-t', 'otc', path_out+'bm.tif', path_out+'sub/warped.png']
     print('\nargs:  '+' '.join(args))
     main(args)
     
@@ -137,7 +137,7 @@ def test_main_crossL(capsys):
     assert dst0.width == 1024 * 4 and dst0.height == 1024 * 3
 
 def test_main_crossR(capsys):
-    args = ['-l','crossR','-t','optan', path_in+'basemap.tif', path_out+'basemap_crossR.png']
+    args = ['-l','crossR','-t','otc', path_in+'basemap.tif', path_out+'basemap_crossR.png']
     print('\nargs:  '+' '.join(args))
     main(args)