*nix tail -f multiple log files with Thread

[David]

Joe Riopel wrote:
> On Fri, Feb 13, 2009 at 12:03 PM, David <david at abbottdavid.com> wrote:
>> Hi everyone,
>>
>> I copied a program from C to track multiple log files. I would like to be
>> able to print a label when a log file is updated. Here is the program;
> 
> Since you're calling tail itself, why not just use tail's ability to
> tail multiple files? It too will output the label.
> 
> I am using tail from the GNU coreutils, version 5.97.
> 
> I did the following, using two xterms:
> 
> First, in one xterm window:
> $ touch foo bar
> $ tail -f foo bar
> 
> Then in another xterm:
> $ echo "Hi foo" > foo
> $ echo "Hi bar" > bar
> 
> Back in the first xterm window I see this:
> $ tail -f foo bar
> ==> foo <==
> 
> ==> bar <==
> 
> ==> foo <==
> Hi foo
> 
> ==> bar <==
> Hi bar
> 
> 
Thanks Joe, sure am glad I asked. Oh well it was good practice as I am 
just learning python, I don't know how I missed that I could tail more 
than one file.

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