tech-userlevel archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: $$ broken??



On Mon, 25 Mar 2013 15:29:03 -0400 (EDT)
Mouse <mouse%Rodents-Montreal.ORG@localhost> wrote:

> > $ pid=$(sh -c 'ps -oppid -p $$')
> > $ pid=${pid#PPID }
> 
> Ooh, nice!  Thank you.
> 
> > Although some old versions of sh don't like the space in that
> > pattern.
> 
> At worst, and at the cost of another process,
> 
> ps -oppid -p $$ | sed -e 1d

or without the extra fork:

ps -o ppid= -p $$


> 
> /~\ The ASCII                           Mouse
> \ / Ribbon Campaign
>  X  Against HTML              mouse%rodents-montreal.org@localhost
> / \ Email!         7D C8 61 52 5D E7 2D 39  4E F1 31 3E E8 B3 27 4B


Home | Main Index | Thread Index | Old Index