Charles, David, > From: "Charles Steinkuehler" <[EMAIL PROTECTED]> > Date: Thu, 1 Nov 2001 08:19:37 -0600 > <snip>
> > grep doesn't do "-v" or (I think) "-q". Thanks, both of you! > The "grep" provided with many LEAF/LRP verisons is actually a shell-script > wrapper that uses sed. Typically, no switches are supported, and no status > is returned based on 'found' or 'not found'. Some newer distributions use > the busybox grep function, which should support the switches you want to > use. > As David pointed out, you can generally use sed instead of grep to do what > you want, but if your system doesn't have the busybox grep, you probably > don't have the wc function either... > > You can generally replace 'wc -l' with sed -n '$=', although you won't get a > zero output if there are no lines. > > You might also want to do something like: > ps ax | sed -n '/sed/d;\:/usr/sbin/pppd:p' > > The single sed command first deletes any lines containing 'sed', then prints > any lines containing '/usr/sbin/pppd'. You could simply test the output of > this for non-zero length to see if pppd is running: > if [ -n "`ps ax | sed -n '/sed/d;\:/usr/sbin/pppd:p'`" ] ... Charles, clear and helpful! Greetings Mark _______________________________________________ Leaf-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/leaf-user
