What's correct Python syntax?

[Igor Korot]

Hi, Rustom,

On Tue, Jan 14, 2014 at 12:54 AM, Rustom Mody <rustompmody at gmail.com> wrote:
> On Tuesday, January 14, 2014 2:16:56 PM UTC+5:30, Igor Korot wrote:
>> Hi, ALL,
>> I'm trying to process a file which has following lines:
>>
>> 192.168.1.6 > 192.168.1.7: ICMP echo request, id 100, seq 200, length 30
>>
>> (this is the text file out of tcpdump)
>>
>>
>> Now I can esily split the line twice: once by ':' symbol to separate
>> address and the protocol information and the second time by ',' to get
>> information about the protocol.
>> However, I don't need all the protocol info. All I'm interested in is
>> the last field, which is length.
>>
>>
>>
>> Is there a way to write something like this:
>>
>>
>> for data in f:
>>      (address,traffic) = string.split(data, ':')
>>      length = string.split(traffic, ',')[3]
>>
>>
>>
>> I'm interesred in only one element, so why should care about everything else?
>> This can be easily done in Perl, but I'm stuck with Python now. ;-)
>
>
>>>> data="192.168.1.6 > 192.168.1.7: ICMP echo request, id 100, seq 200, length 30"
>>>> (add,traff) = data.split(':')
>>>> add
> '192.168.1.6 > 192.168.1.7'
>>>> traff
> ' ICMP echo request, id 100, seq 200, length 30'
>>>> lenn = traff.split(',')
>>>> lenn = traff.split(',')[3]
>>>> lenn
> ' length 30'

What if I want field 2 and field 3? ("seq 200" and "length 30")

Thank you.

>>>>
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