I'm trying to write a simple Python script to print out network
interfaces (as found in the "ifconfig -a" command) and their speed
("ethtool <interface>"). The idea is to loop for each interface and
print out its speed. os.popen seems to be the right solution for the
ifconfig command, but it doesn't seem to like me passing the interface
variable as an argument. Code snippet is below:
============
#!/usr/bin/python
# Quick and dirty script to print out available interfaces and their
speed
# Initializations
output = " Interface: %s Speed: %s"
import os, socket, types
fp = os.popen("ifconfig -a")
dat=fp.read()
dat=dat.split('\n')
for line in dat:
if line[10:20] == "Link encap":
interface=line[:9]
cmd = 'ethtool %interface'
print cmd
gp = os.popen(cmd)
fat=gp.read()
fat=fat.split('\n')
=============
I'm printing out "cmd" in an attempt to debug, and "interface" seems
to be passed as a string and not a variable. Obviously I'm a newbie,
and I'm hoping this is a simple syntax issue. Thanks in advance!
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