tom wrote:
> [EMAIL PROTECTED] wrote:
>
>> I have taken the coments and think I have implemented most. My only
>> question is how to use the enumerator. Here is what I did, I have tried
>> a couple of things but was unable to figure out how to get the line
>> number.
>>
>>
>>
> Try this in the interpreter,
>
> l = [5,4,3,2,1]
> for count, i in enumerate(l):
> print count, i
>
>
>
you could do it like this.
for count, line in enumerate(fb):
for word in line.split():
etc...
filehandles are iterators themselves.
dont take my words for granted though, i'm kinda new to all this too :)
>> def Xref(filename):
>> try:
>> fp = open(filename, "r")
>> except:
>> raise "Couldn't read input file \"%s\"" % filename
>> dict = {}
>> line_num=0
>> for words in iter(fp.readline,""):
>> words = set(words.split())
>> line_num = line_num+1
>> for word in words:
>> word = word.strip(".,!?:;")
>> if not dict.has_key(word):
>> dict[word] = []
>> dict[word].append(line_num)
>> fp.close()
>> keys = sorted(dict);
>> for key in keys:
>> print key," : ", dict[key]
>> return dict
>>
>> Marc 'BlackJack' Rintsch wrote:
>>
>>
>>> In <[EMAIL PROTECTED]>,
>>> [EMAIL PROTECTED] wrote:
>>>
>>>
>>>
>>>> def Xref(filename):
>>>> try:
>>>> fp = open(filename, "r")
>>>> lines = fp.readlines()
>>>> fp.close()
>>>> except:
>>>> raise "Couldn't read input file \"%s\"" % filename
>>>> dict = {}
>>>> for line_num in xrange(len(lines)):
>>>>
>>>>
>>> Instead of reading the file completely into a list you can iterate over
>>> the (open) file object and the `enumerate()` function can be used to get
>>> an index number for each line.
>>>
>>>
>>>
>>>> if lines[line_num] == "": continue
>>>>
>>>>
>>> Take a look at the lines you've read and you'll see why the ``continue``
>>> is never executed.
>>>
>>>
>>>
>>>> words = lines[line_num].split()
>>>> for word in words:
>>>> if not dict.has_key(word):
>>>> dict[word] = []
>>>> if line_num+1 not in dict[word]:
>>>> dict[word].append(line_num+1)
>>>>
>>>>
>>> Instead of dealing with words that appear more than once in a line you may
>>> use a `set()` to remove duplicates before entering the loop.
>>>
>>> Ciao,
>>> Marc 'BlackJack' Rintsch
>>>
>>>
>>
>>
>
>
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