On Tuesday, February 4, 2014 2:27:38 AM UTC+5:30, Dave Angel wrote:
> Ayushi Dalmia Wrote in message:
>
> > On Thursday, January 30, 2014 4:20:26 PM UTC+5:30, Ayushi Dalmia wrote:
>
> >> Hello,
>
> >>
>
> >>
>
> >>
>
> >> I need to randomly access a bzip2 or gzip file. How can I set the o
Ayushi Dalmia Wrote in message:
> On Thursday, January 30, 2014 4:20:26 PM UTC+5:30, Ayushi Dalmia wrote:
>> Hello,
>>
>>
>>
>> I need to randomly access a bzip2 or gzip file. How can I set the offset for
>> a line and later retreive the line from the file using the offset. Pointers
>> in th
30.01.14 18:21, Peter Otten написав(ла):
Do you know an efficient way to implement random access for a bzip2 or gzip
file?
See dictzip and BGZF. Unfortunately Python stdlib doesn't support them.
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Ayushi Dalmia Wrote in message:
>
>
> The size of this file will be 10 GB. The version of Python I am using is
> 2.7.2. Yes, performance is an important issue.
>
Then the only viable option is to extract the entire file and
write it to a temp location. Perhaps as you extract it, you could
On Friday, January 31, 2014 12:16:59 AM UTC+5:30, Dave Angel wrote:
> Ayushi Dalmia Wrote in message:
>
> > On Thursday, January 30, 2014 4:20:26 PM UTC+5:30, Ayushi Dalmia wrote:
>
> >> Hello,
>
> >>
>
> >>
>
> >>
>
> >> I need to randomly access a bzip2 or gzip file. How can I set the o
On Thursday, January 30, 2014 9:51:28 PM UTC+5:30, Peter Otten wrote:
> Serhiy Storchaka wrote:
>
>
>
> > 30.01.14 13:28, Peter Otten написав(ла):
>
> >> Ayushi Dalmia wrote:
>
> >>
>
> >>> I need to randomly access a bzip2 or gzip file. How can I set the offset
>
> >>> for a line and later
Ayushi Dalmia Wrote in message:
> On Thursday, January 30, 2014 4:20:26 PM UTC+5:30, Ayushi Dalmia wrote:
>> Hello,
>>
>>
>>
>> I need to randomly access a bzip2 or gzip file. How can I set the offset for
>> a line and later retreive the line from the file using the offset. Pointers
>> in th
Serhiy Storchaka wrote:
> 30.01.14 13:28, Peter Otten написав(ла):
>> Ayushi Dalmia wrote:
>>
>>> I need to randomly access a bzip2 or gzip file. How can I set the offset
>>> for a line and later retreive the line from the file using the offset.
>>> Pointers in this direction will help.
>>
>> with
On Thursday, January 30, 2014 4:20:26 PM UTC+5:30, Ayushi Dalmia wrote:
> Hello,
>
>
>
> I need to randomly access a bzip2 or gzip file. How can I set the offset for
> a line and later retreive the line from the file using the offset. Pointers
> in this direction will help.
We are not allowed
30.01.14 13:28, Peter Otten написав(ла):
Ayushi Dalmia wrote:
I need to randomly access a bzip2 or gzip file. How can I set the offset
for a line and later retreive the line from the file using the offset.
Pointers in this direction will help.
with gzip.open(filename) as f:
f.seek(some_p
On Fri, Jan 31, 2014 at 12:34 AM, Ayushi Dalmia
wrote:
> where temp.txt is the posting list file which is first written in a
> compressed format and then read later.
Unless you specify otherwise, a compressed file is likely to have
sub-byte boundaries. It might not be possible to seek to a spec
On Thursday, January 30, 2014 4:20:26 PM UTC+5:30, Ayushi Dalmia wrote:
> Hello,
>
>
>
> I need to randomly access a bzip2 or gzip file. How can I set the offset for
> a line and later retreive the line from the file using the offset. Pointers
> in this direction will help.
This is what I hav
Ayushi Dalmia wrote:
> I need to randomly access a bzip2 or gzip file. How can I set the offset
> for a line and later retreive the line from the file using the offset.
> Pointers in this direction will help.
with gzip.open(filename) as f:
f.seek(some_pos)
print(f.readline())
f.seek(s
Hello,
I need to randomly access a bzip2 or gzip file. How can I set the offset for a
line and later retreive the line from the file using the offset. Pointers in
this direction will help.
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