[OT] shell variable assignment problemn

[Luciano Rocha]

On Fri, May 30, 2008 at 04:39:48PM +0200, Gianluca Cecchi wrote:
> Problem I'm able to understand:
> Suppose I have
> $NUMDISKS that can be 1 or 2 ... or n
> and
> $DISKS that can be
> sda, or
> sda sdb
> or sda sdb sdc
> (so a string with the didks separated by space)

Personally, I'd go with arrays:
declare -a drives
drives=($disks)

eg:
$ disks="sda sdb sdc"
$ drives=($disks)
$ echo ${#drives[@]}
3
$ echo ${drives[2]}
sdc
$ for d in ${drives[@]}; do echo /dev/$d; done
/dev/sda
/dev/sdb
/dev/sdc

> if I script
> 
> for i in $(seq 1 $NUMDISKS)
> do
>       DRIVE${i}="$(echo $DISKS | cut -d ' ' -f ${i})"
> done
> 

Use this:
...
	eval DRIVE${i}="$(echo $DISKS | cut -d ' ' -f ${i})"

-- 
lfr
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