[Tutor] List and Indexing error.

[Gregor Lingl]

SA schrieb:

>I'm getting a persistent indexing error whenever I run the following script:
>
>#!/usr/bin/env python
>
>import re
>import os
>import string
>
>list = os.listdir('.')
>l = len(list)
>print "The number of items in this dir is: ",  l
>for i in range(l):
>    input = open(list[i], "rb")
>    text = input.read()
>    input.close()
>    text2 = re.findall(r".*", text)
>    if text2[78] == "<hr>":
>        text3 = string.join(text2[79:])
>        output = open(list[i], "wb")
>        output.write(text3)
>        output.close()
>    else:
>        print list[i] + " does not have the correct begin length ..."
>
>Basically, I have a folder full of html files. I need to get rid of the
>first part of each file. I figured the correct index. But when I run it I
>get the following:
>The number of items in this dir is:  148
>Traceback (most recent call last):
>  File "./repy2.py", line 20, in ?
>    if text2[78] == "<hr>":
>IndexError: list index out of range
>
>Anyone know why?
>  
>
Looks as if text2 didn't have 78 items.
Put a print text2 after the line

    text2 = re.findall(r".*", text)
    print text2

to have a look at it.
Possibly (if working in IDLE for instance) you
may write

>>> text2        # or
>>> len(text2) 

to get smoe information

Gregor

after the error-message to see what's the case


>Thanks.
>SA
>
>  
>