Re: [PLUG] check for existing user

[Michelle Weber <umweber@mcs.drexel.edu>]

What does the 1>&2 mean in that?

-- 
Michelle Weber
umweber@mcs.drexel.edu


On Sun, 16 Jan 2000, Tim Peeler wrote:

> On Sun, 16 Jan 2000, you wrote:
> 
> > I was thinking of just using the command id, but for either grep or id,
> > how do I make a variable equal to true or false depending on what grep or
> > another command returns? (in bash)
> > 
> > -- 
> > Michelle Weber
> > umweber@mcs.drexel.edu
> 
> Just use an if statement.
> 
> if (grep regexp foo 1>&2 > /dev/null) ; then
>    var=true;
> else
>    var=false;
> fi
> 
> Don't know if bash has something like c's conditional statements:
> 
> (grep regexp foo 1>&2>/dev/null) ? var=true : var=false;
> 
> But you could check.
> 
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