Remove unecessary step by combining functions.

Author: Jared Manning

check_file.py

@@ -9,29 +9,28 @@
 # Description	: Check a file exists and that we can read the file
 
 import sys		# Import the Modules
-import os		# Import the Modules
-
-# Readfile Functions which open the file that is passed to the script
-
-def readfile(filename):
-	f = open(filename, 'r')
-	line = f.read()
-	print line
-
-def main():
-  if len(sys.argv) == 2:		# Check the arguments passed to the script
-    filename = sys.argv[1]		# The filename is the first argument
-    if not os.path.isfile(filename):	# Check the File exists
-      print '[-] ' + filename + ' does not exist.'
-      exit(0)
-    if not os.access(filename, os.R_OK):	# Check you can read the file
-      print '[-] ' + filename + ' access denied'
-      exit(0)
-  else:
-    print '[-] Usage: ' + str(sys.argv[0]) + ' <filename>' # Print usage if not all parameters passed/Checked
-    exit(0)
-  print '[+] Reading from : ' + filename	# Display Message and read the file contents
-  readfile(filename)
-  
-if __name__ == '__main__':
-  main()
+import os		# Import the Modules
+
+# Readfile Functions which open the file that is passed to the script
+
+def readfile(filename):
+	line = open(filename, 'r').read()
+	print line
+
+def main():
+  if len(sys.argv) == 2:		# Check the arguments passed to the script
+    filename = sys.argv[1]		# The filename is the first argument
+    if not os.path.isfile(filename):	# Check the File exists
+      print '[-] ' + filename + ' does not exist.'
+      exit(0)
+    if not os.access(filename, os.R_OK):	# Check you can read the file
+      print '[-] ' + filename + ' access denied'
+      exit(0)
+  else:
+    print '[-] Usage: ' + str(sys.argv[0]) + ' <filename>' # Print usage if not all parameters passed/Checked
+    exit(0)
+  print '[+] Reading from : ' + filename	# Display Message and read the file contents
+  readfile(filename)
+  
+if __name__ == '__main__':
+  main()