Count number of items in list.
items=['a','b','c']
size=len(items)print size
# 3
apt-get install python-mutagen
#!/usr/bin/python
from mutagen.mp3 import MP3
import osfor root, dirs, files in os.walk('/mnt/music'):
for name in files:
joined=os.path.join(root, name)
audio=MP3(joined)
if audio.info.bitrate < 128000:
print joined
print audio.info.bitrate
$ telnet titan.zipcon.net 22
Trying 63.249.22.50…
Connected to titan.zipcon.net.
Escape character is ‘^]’.
SSH-2.0-OpenSSH_5.1p1 Debian-3ubuntu1
w
14:16:50 up 2 days, 23:54, 4 users, load average: 0.24, 0.16, 0.07
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
jesterj tty7 :0 Fri14 3days 24:30m 0.30s x-session-manag
jesterj pts/0 :0.0 14:13 0.00s 0.10s 19.94s gnome-terminal
jesterj pts/2 :0.0 11:52 2:23 0.20s 0.10s ssh jesterj@pse
jesterj pts/1 :0.0 11:23 2:34 0.16s 0.06s ssh jesterj@pse
$ netstat -nta
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0.0.0.0:6024 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN
tcp 0 0 10.139.68.153:42651 10.139.68.39:22 ESTABLISHED
tcp 0 0 10.139.68.153:51346 64.4.34.126:1863 ESTABLISHED
tcp 0 0 10.139.68.153:44434 206.255.61.214:4228 ESTABLISHED
tcp 0 0 10.139.68.153:38705 205.234.235.90:80 ESTABLISHED
tcp 0 0 10.139.68.153:38707 205.234.235.90:80 ESTABLISHED
tcp 0 0 10.139.68.153:40101 64.4.37.39:1863 TIME_WAIT
tcp 0 0 10.139.68.153:38708 205.234.235.90:80 ESTABLISHED
tcp 0 0 10.139.68.153:52217 10.139.10.45:22 ESTABLISHED
tcp 0 0 10.139.68.153:38702 205.234.235.90:80 ESTABLISHED
tcp 0 0 10.139.68.153:38709 205.234.235.90:80 ESTABLISHED
tcp 0 0 10.139.68.153:38710 205.234.235.90:80 ESTABLISHED
tcp6 0 0 :::80 :::* LISTEN
tcp6 0 0 :::22 :::* LISTEN