diff --git a/shared/python/BGF.py b/shared/python/BGF.py
index 85431172..9633e38c 100755
--- a/shared/python/BGF.py
+++ b/shared/python/BGF.py
@@ -12,7 +12,7 @@ def __init__(self):
 	def parse(self,fname):
 		self.roots = []
 		self.prods = []
-		self.xml = ET.parse(sys.argv[1])
+		self.xml = ET.parse(fname)
 		for e in self.xml.findall('root'):
 			self.roots.append(e.text)
 		for e in self.xml.findall(slpsns.bgf_('production')):
diff --git a/shared/python/diffShort.py b/shared/python/diffShort.py
index 04831411..b562cfa2 100755
--- a/shared/python/diffShort.py
+++ b/shared/python/diffShort.py
@@ -2,11 +2,11 @@
 import os
 import sys
 import string
-import metrics
+import mismatches
 
 if __name__ == "__main__":
  if len(sys.argv) == 4:
-  pnm,psm = metrics.mismatches(sys.argv[3],sys.argv[1],sys.argv[2])
+  pnm,psm = mismatches.mismatches(sys.argv[3],sys.argv[1],sys.argv[2])
   print 'Mismatches:',pnm,'+',psm,'=',pnm+psm
  else:
   print '''This is the shortest possible version of Grammar Diff Tool.
diff --git a/shared/python/lcf2csv.py b/shared/python/lcf2csv.py
index d10794bb..d63935be 100755
--- a/shared/python/lcf2csv.py
+++ b/shared/python/lcf2csv.py
@@ -4,7 +4,7 @@
 import string
 import elementtree.ElementTree as ET
 import slpsns
-import metrics
+import mismatches
 
 synch = {}
 
@@ -70,7 +70,7 @@ def measure(gdt,x,y):
   z=synch[y][0]
  else:
   z=synch[y][1]
- nm,sm = metrics.mismatches(gdt,'bgf/'+x+'.bgf','bgf/'+z+'.bgf')
+ nm,sm = mismatches.mismatches(gdt,'bgf/'+x+'.bgf','bgf/'+z+'.bgf')
  return nm+sm,str(nm)+'\t'+str(sm)+'\t'+str(nm+sm)
 
 def cutName(lbl):
diff --git a/shared/python/metrics.py b/shared/python/mismatches.py
similarity index 100%
rename from shared/python/metrics.py
rename to shared/python/mismatches.py
diff --git a/shared/python/runSliced.py b/shared/python/runSliced.py
index 0f722ddd..f1e6eed7 100755
--- a/shared/python/runSliced.py
+++ b/shared/python/runSliced.py
@@ -5,7 +5,7 @@
 import elementtree.ElementTree as ET
 import slpsns
 import slicing
-import metrics
+import mismatches
 
 def main(xbgfFile,bgfFile,xbgf,gdt,synch):
  xbgfDir = '/'.join(xbgfFile.split('/')[:-1])
@@ -16,7 +16,7 @@ def main(xbgfFile,bgfFile,xbgf,gdt,synch):
  print 'Slicing...'
  sliced = slicing.sliceFile(xbgfDir,xbgfDir,xbgfFile.split('/')[-1].replace('.xbgf',''))
  print 'Runnning...'
- pnm,psm = metrics.mismatches(gdt,bgfFile,synch)
+ pnm,psm = mismatches.mismatches(gdt,bgfFile,synch)
  print 'Mismatches originally:',pnm,'+',psm,'...',len(sliced),'steps to go'
  cx = ''
  for p in sliced:
@@ -25,7 +25,7 @@ def main(xbgfFile,bgfFile,xbgf,gdt,synch):
    print 'Error running',p,'!'
    print run
    sys.exit(2)
-  nm,sm = metrics.mismatches(gdt,bgfFile+cx+'_',synch)
+  nm,sm = mismatches.mismatches(gdt,bgfFile+cx+'_',synch)
   print 'Mismatches:',nm,'+',sm
   if nm>pnm:
    print 'Observed increase in name mismatches!'
diff --git a/shared/python/xbgfSlice.py b/shared/python/xbgfSlice.py
index d1c97eb6..989ef396 100755
--- a/shared/python/xbgfSlice.py
+++ b/shared/python/xbgfSlice.py
@@ -5,7 +5,6 @@
 import elementtree.ElementTree as ET
 import slpsns
 import slicing
-import metrics
 
 def main(xbgfFile):
  xbgfDir = '/'.join(xbgfFile.split('/')[:-1])