On Tue, Nov 23, 2010 at 08:59:42AM +0100, Alberto Luaces wrote:
> "T. Alex Chen" writes:
>
> > I am trying to retrieve the process ID from a process' name, optionally
> > with its command parameters.
> > I look up the man page of 'sysctl' and the use of this API seems to be
> > discouraged. It points the /proc file system.
> > The /proc does contains all the running processes, with their ID as the
> > directory name, and their command line as a file 'cmdline' under that
> > subdirectory.
> > Is there an API get the information out easily or do I have to open the
> > file '/proc' and iterate through the sub-directories with number (PID) as
> > the file name and get the content of 'cmdline'. (That seems
> > to be very cumbersome.)
>
> Maybe the source of `pidof' (in sysvinit-utils) can give a hint.
> Alberto
pgrep $process_name will give you the pid
or
ps auwx | grep $process_name | grep -v grep
will give you both pid and command line
Mike
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