python列举文件夹下所有文件行数

import os 
import fileinput 
dest="/root/log" 
for root,dirs,filename in os.walk(dest): 
    for file in filename: 
        f=os.path.join(root,file) 
        for each in fileinput.input(f): 
            pass 
        print "filename:%s    filenumber:%s" % (fileinput.filename(), fileinput.lineno())  

[root@qhz ~]# python list_number.py 
filename:/var/log/secure    filenumber:28043 
filename:/var/log/cron    filenumber:550 
filename:/var/log/cron.4    filenumber:149 
filename:/var/log/maillog.3    filenumber:2 
filename:/var/log/messages.1    filenumber:5058 
filename:/var/log/secure.4    filenumber:11577 
filename:/var/log/maillog.2    filenumber:0 
filename:/var/log/secure.1    filenumber:11415 
filename:/var/log/secure.3    filenumber:27105 
filename:/var/log/wtmp    filenumber:23 
filename:/var/log/rpmpkgs.1    filenumber:249 
filename:/var/log/spooler.2    filenumber:0 
filename:/var/log/rpmpkgs.3    filenumber:247 
filename:/var/log/lastlog    filenumber:1 
filename:/var/log/spooler    filenumber:0 
filename:/var/log/xferlog.1    filenumber:0 
filename:/var/log/xferlog.4    filenumber:0 
filename:/var/log/boot.log.1    filenumber:0 
filename:/var/log/spooler.4    filenumber:0 
filename:/var/log/secure.2    filenumber:22174 
filename:/var/log/maillog.4    filenumber:0 
filename:/var/log/boot.log.2    filenumber:0 
filename:/var/log/cron.1    filenumber:1191 
filename:/var/log/maillog.1    filenumber:0 
filename:/var/log/yum.log    filenumber:112 
filename:/var/log/boot.log.3    filenumber:0 
filename:/var/log/boot.log.4    filenumber:0 
filename:/var/log/cron.2    filenumber:1019 
filename:/var/log/btmp    filenumber:3793 
filename:/var/log/rpmpkgs.4    filenumber:166 
filename:/var/log/messages.2    filenumber:7992 
filename:/var/log/faillog    filenumber:1 
filename:/var/log/xferlog    filenumber:0 
filename:/var/log/maillog    filenumber:0 
filename:/var/log/spooler.3    filenumber:0 
filename:/var/log/tallylog    filenumber:0 
filename:/var/log/spooler.1    filenumber:0 
filename:/var/log/boot.log    filenumber:0 
filename:/var/log/xferlog.3    filenumber:0 
filename:/var/log/rpmpkgs    filenumber:249 
filename:/var/log/cron.3    filenumber:177 
filename:/var/log/messages.3    filenumber:10126 
filename:/var/log/xferlog.2    filenumber:0 
filename:/var/log/dmesg    filenumber:127 
filename:/var/log/messages    filenumber:11158 
filename:/var/log/rpmpkgs.2    filenumber:249 
filename:/var/log/messages.4    filenumber:5838 
filename:/var/log/mail/statistics    filenumber:0 
filename:/var/log/.hist/root/203.95.5.81.hist.20111117_165816    filenumber:22 
filename:/var/log/.hist/root/119.6.66.226.hist.20111115_111319    filenumber:32 
filename:/var/log/.hist/root/203.95.5.81.hist.20111115_110023    filenumber:52 
filename:/var/log/.hist/root/222.65.30.17.hist.20111114_213102    filenumber:26 
filename:/var/log/.hist/root/222.65.96.54.hist.20111125_232235    filenumber:4 
filename:/var/log/.hist/root/218.82.186.138.hist.20111113_184102    filenumber:46 
filename:/var/log/.hist/root/218.82.186.138.hist.20111113_184612    filenumber:14 
filename:/var/log/.hist/root/203.95.5.81.hist.20111122_093004    filenumber:4 
filename:/var/log/.hist/root/218.82.186.138.hist.20111113_184442    filenumber:12 
filename:/var/log/.hist/root/218.82.186.138.hist.20111113_184315    filenumber:20