On Sep 5, 5:13 pm, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
wrote:
> I have a text source file of about 20.000 lines.>From this file, I like to
> write the first 5 lines to a new file. Close
>
> that file, grab the next 5 lines write these to a new file... grabbing
> 5 lines and creating new files until processing of all 20.000 lines is
> done.
> Is there an efficient way to do this in Python?
Sure!
> In advance, thanks for your help.
from my_useful_functions import new_file, write_first_5_lines,
done_processing_file, grab_next_5_lines, another_new_file, write_these
in_f = open('myfile')
out_f = new_file()
write_first_5_lines(in_f, out_f) # write first 5 lines
close(out_f)
while not done_processing_file(in_f): # until done processing
lines = grab_next_5_lines(in_f) # grab next 5 lines
out_f = another_new_file()
write_these(lines, out_f) # write these
close(out_f)
print "all done!" # All done
print "Now there are 4000 files in this directory..."
Python 3.0 - ready (I've used open() instead of file())
HTH
--
Arnaud
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