gistfile1.py

fin = open("input.xml", "r")
a = fin.readline()
l = ""
kk = False
while len(a)!=0:
	a = fin.readline()
	if a.find("<kernel>")!=-1 and kk==False:
		p = a.find("<kernel>")
		for i in range(0,p):
			l+= " "
		kk=True
	elif a.find("<initrd>")!=-1 and kk==False:
		p = a.find("<kernel>")
		for i in range(0,p):
			l+= " "
		kk=True
	elif a.find("<cmdline>")!=-1 and kk==False:
		p = a.find("<kernel>")
		for i in range(0,p):
			l+= " "
		kk=True
	
fin.close()


fin = open("input.xml", "r")
fout = open("output.xml","w")
 
a = fin.readlines()

k=False
for i in a:
	if i.find("<boot")!=-1:
		k=True

for i in a:
	if i.find("<kernel>")!=-1 or i.find("<initrd>")!=-1 or i.find("<cmdline>")!=-1:
	 	if i.find("<boot")==-1 and k==False:
			fout.write(l+"<boot dev='hd'/>\n")
			k=True
	elif i.find("<kernel>")==-1 and i.find("<initrd>")==-1 and i.find("<cmdline>")==-1:
		fout.write(i)

fin.close()
fout.close()