[ILUG] set watch(..) under bash

[Shaw, Ronan]

> > > Is there an easy way with the bash to get
> > > a temporary (ie. unique) filename. I don't
> > > want my prog to delete files called "new"
> > > and "old" that may already exist
>  
> The shell appears to interpret $$ as an instruction to generate a name
> vim blah.$$
> 
> And it opens a file "blah.10241"
> 
$$ is a shell variable for the current process id. 
It's unique unless you use it somewhere else .... although why you'd do
that....
Don't forget to delete the file later....

-Ronie.