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[Paul Rubin]

"J. Peng" <jpeng at block.duxieweb.com> writes:
>         print line,

Do you really want all the lines crunched together like that?  If not,
leave off the comma.

> I dont like that flag of "done",then I tried to re-write it as:
> 
> fd = open("/etc/sysctl.conf")
> while line = fd.readline():
>     print line,
> fd.close()

Python doesn't have assignment expressions like C.  Try this:

     fd = open("/etc/sysctl.conf")
     for line in fd:
         print line,
     fd.close()

this uses the fact that looping through an file descriptor iterates
through it line by line.