some fixes

LinkedList.py

@@ -1,8 +1,4 @@
-#!/usr/bin/python3
 
-# Linked list implementation in python (python 3)
-#include <iostream>
-using namespace std;
 
 class Node:
 	def __init__ (self, data):
@@ -17,14 +13,14 @@ def __init__ (self):
 	def count (self):
 		tmp = self.head
 		ctr = 0
-		while (tmp != None):
+		while tmp != None:
 			self.head = tmp.next
 		return ctr
 
 	def display (self):
 		tmp = self.head
-		while (tmp != None):
-			printf(tmp.data, end = ' ');
+		while tmp != None:
+			print tmp.data
 			tmp = tmp.next
 		return None
 
@@ -33,45 +29,45 @@ def insertAtBeg (self, data):
 		new_node.next = self.head
 		self.head = new_node
 
-	def delAtBeg (self)
+	def delAtBeg (self):
 		if (self.head is None):
-			print ("List is already empty!");
+			print "List is already empty!"
 			return None
 		val = self.head.data
 		self.head = self.head.next.next
 
-	def insertAtEnd (data):
-		if (self.head is None):
+	def insertAtEnd (self,data):
+		if self.head is None:
 			new_node = Node(data)
 			new_node.next = NULL
 			self.head = new_node
 		tmp = self.head
-		while (tmp.next is not None):
+		while tmp.next is not None:
 			tmp = tmp.next
 		tmp.next = Node(data)
 
-	def delAtEnd (self, data):
-		if (!(self.head is None);
-			print ("List is empty!")
+	def delAtEnd (self):
+		if (self.head is not None):
+			print "List is empty!"
 			return None
 		if (self.head.next is None):
 			del self.head
 			self.head = None
 		tmp = self.head
-		while (tmp.next.next != None):
+		while tmp.next.next is not None:
 			tmp = tmp.next
 		var = tmp.next.data
 		del tmp.next
 		tmp.next = None
 		return var
 
 
-
-l = linkedlist()
-l.insertAtBeg(10)
-l.insertAtEnd(100)
-l.insertAtBeg(1000)
-l.delAtBeg(10)
-l.delAtEnd()
-l.count()
-l.display()
+if __name__ == "__main__":
+       l=LinkedList()
+       l.insertAtBeg(10)
+       l.insertAtEnd(100)
+       l.insertAtBeg(1000)
+       l.delAtBeg()
+       l.delAtEnd()
+       l.count()
+       l.display()

md5gen.sh

@@ -7,27 +7,29 @@
 
 read  -p "Enter number of strings: " n
 
-$fname='md5file'
+fname='md5file'
 
 read -p "Enter any remarks for this record : " rem
 
-if [ ! -f "$fname" ]; then
-	read -p "File does not exist ! Create new file? (y/n) : " $choice
-	if [[ $choice = 'y' ]]; then
+if ! -f $fname  
+then
+	read -p "File does not exist ! Create new file? (y/n) : " choice
+	if [ "$choice" = "y" ] 
+              then
 		touch "$fname"
 	else
 		exit 1
-
+        fi
 fi
 echo "$rem" >> $fname
 i=0
-while [[ $i -lt $n ]];
+while [ $i -lt $n ];
 	do
-		read -p "$($i+1) " ip
-		echo -n "$($i+1) " >> $fname
+		read -p $($i+1)  ip
+		echo -n $($i+1) >> $fname
 		echo -n "$ip" > tempfile
 		md5sum tempfile | cut -f1 -d' '  > $fname
-		i=(($i+1))
+		i=$i+1
 	done
 
 echo "" > $fname