On Sep 3, 11:16 pm, Tim Golden <[EMAIL PROTECTED]> wrote: > Gabriel Genellina wrote: > > En Wed, 03 Sep 2008 06:16:03 -0300, [EMAIL PROTECTED] > > <[EMAIL PROTECTED]> escribi : > > >> I often grep particular patterns out of large logfiles and then > >> pipeline the output to sort and uniq -c > >> I thought today to knock up a script to do the counting in a python > >> dict. > > >> This seems work in linux > > >> $ cat count.py > >> #!/usr/bin/env python > >> import sys > >> from collections import defaultdict > >> accumulator=defaultdict(int) > >> for line in sys.stdin.readlines(): > >> accumulator[line.strip()]+=1 > >> print "contents,count" > >> for key in accumulator.keys(): > >> print key,",",accumulator[key] > > >> $ cat test | ./count.py > >> contents,count > >> , 1 > >> 23 , 1 > >> 1 , 1 > >> 3 , 2 > >> 2 , 2 > >> 5 , 3 > > >> When I try to run the same thing on windows I get > >> IOError: [Error 9] Bad file descriptor > > >> How can I make this more windows friendly? > > > Explicitely invoking the interpreter worked for me. That is, these two > > commands worked fine: > > > type test.txt | python count.py > > python count.py < test.txt > > > But I cannot explain *why* it doesn't work the other way. > > Known bug in NT-based file association. I'll try > to find an online reference, but that's basically > what it comes to. I think you can faff-about with > batch files to achieve the effect, but I can't > quite remember. > > http://support.microsoft.com/kb/321788 > > TJG
Thanks. I'll ues the explicit python call. -- http://mail.python.org/mailman/listinfo/python-list
