$1=$(($2))

On Monday 29 July 2002 12:37, Bryce C wrote:
> Can anyone tell me how, in a bash script, I can move the contents of
> variable $2 to variable $1 and so on?  I'm writing a bash script to
> update some stuff but I'd like to be able to type
> script.sh noblah noit nothat
> but everything is defaulted yes.
> Currently., my script is something like
> case "$1" in
> 	noblah)
> 		echo Not doing blah.
> 		$1="$2"
> 	;;
> 	*)
> 		echo Doing blah;
> 	;;
> esac
> case "$1" in
> 	nothis)
> 		echo Not doing this.
> 		$1="$2"
> 	;;
> 	*)
> 		echo Doing this
> 	;;
> esac
>
> That sort of thing.  Can anyone help?  Perhaps a nice online reference?
> No books though, I don't have the money or time to buy one.
>
> Thanks,