functional but not pretty (not tested with socket and pipe)

assn2/dropXml.py

 #!/usr/bin/env python3
+#
+# Created by Hanh Do Phung 
+#
+# NOTE: This program iterates through a directory and leave a file "dir.xml" at each subdirectory 
+# The content of dir.xml is a listing of the files in that folder divided in groups: index, required, and others
+# The file type of each is also specified
 
 import sys
 import os
 import stat
 
-top = sys.argv[1]
-IND = '    '
 
-os.chdir(top)
-rootPath = os.getcwd()
-
-
-
-
-def checkType(foo):
+def checkType(foo, dirXML):
    tests = {
          stat.S_ISREG : 'file' ,
          stat.S_ISDIR : 'dir' ,
-        # stat.S_ISLNK : 'Soft Link' ,  # TODO  Not working
          stat.S_ISFIFO : 'fifo' ,
          stat.S_ISSOCK : 'sock'
          }
@@ -30,6 +27,11 @@ def checkType(foo):
 
 
 
+
+
+def drop(top):
+	os.chdir(top)
+	rootPath= os.getcwd()
 	for root, dirs, files in os.walk(top):
 		os.chdir(root)
 		currentDir = os.getcwd()
@@ -67,15 +69,15 @@ for root, dirs, files in os.walk(top):
 
 			dirXML.write('\t<required>\n')
 			for r in required:
-			checkType(r)
+				checkType(r, dirXML)
 			dirXML.write('\t</required>\n')
 		
 			dirXML.write('\t<other>\n')
 			for f in files:
-			checkType(f)
+				checkType(f, dirXML)
 		
 			for d in dirs:
-			checkType(d)
+				checkType(d, dirXML)
 
 
 			dirXML.write('\t</other>\n')
@@ -86,10 +88,24 @@ for root, dirs, files in os.walk(top):
 			dirXML.write('\t<other>\n')
 			for root, dirs, files in os.walk(currentDir):
 				for f in files:
-				checkType(f)
+					checkType(f, dirXML)
 			dirXML.write('\t</other>\n')
 	
 
 		dirXML.write('</direntry>\n')
 		dirXML.close()
 		os.chdir(rootPath)
+
+
+
+if len(sys.argv) > 1:
+	os.chdir(sys.argv[1])
+top = os.getcwd()
+print('Taken in the provided directory. Processing . . .\n')
+drop(top)
+
+
+
+
+
+