[CentOS] simple if statement

[Stephen Harris]

On Fri, Feb 27, 2009 at 11:14:01AM +0000, Tom Brown wrote:
> Hi
> 
> Below if $remaining is empty i want the if to finish - what is it i need 
> to put in SOMETHING?
> 
> if [ "$remaining" = "" ] ; then
>             SOMETHING ;
>         else
>             kill -9 $remaining
> fi

A ":" on it's own will do what you want.

  if [ "$remaining" = "" ]
  then
    :
  else
    kill -9 $remaining
  fi

But better would be

  if [ -n "$remaining" ]
  then
    kill -9 $remaining
  fi

-- 

rgds
Stephen