I used this:
\([1-9][0-9]*\)
instead of:
\(.\)
It will give any number >= 1.
On Thu, 15 Feb 2001, Joseph Del Corso wrote:
> First I'd like to thank everyone for their help with scripts,
> I recieved quite a few that were all excellent resources for creating
> my own.
>
> I have a tape rack that holds 35 tapes, and an robotic arm tape changer
> that picks up the tapes and sticks them in the tape drive(s).
>
> I modified chg-zd-mtx, specifically the readstatus line, to read like:
>
> usedslot=`$MTX -f /dev/sg3 status | sed -n 's/Data Transfer Element
> 0:Empty/-1/p;s/Data Transfer Element 0:Full (Storage Element
> \(.\) Loaded):VolumeTag = DNR\(.\)\(.\)\(.\)/\1/p'`
>
>
> This worked great!! For the first 9 tapes... and I realized why.
> In the previous line the number after Storage Element is read into
> ?variable? \(.\) <- This represents one number. In order to go
> higher than 9 though I had to add a second \(.\) and a \2 so that it looks
> like:
>
> usedslot=`$MTX -f /dev/sg3 status | sed -n 's/Data Transfer Element
> 0:Empty/-1/p;s/Data Transfer Element 0:Full (Storage Element
> \(.\)\(.\) Loaded):VolumeTag = DNR\(.\)\(.\)\(.\)/\1\2/p'`
>
> My question is, is there a more elegant way (without scraping the whole
> script and trying a completely new one -- leading to more headaches and
> troubleshooting) to do what I'm trying to do? (i.e.-- read higher than one
> digit numbers, and possibly two digit -- though honestly I'm not at that
> point yet)
>
> As soon as I try and use this script to do any amcheck or dumping to the
> first 9 tapes, I'll have to revert everything back.
>
> Hope I explained this clearly enough, and that someone out there with more
> intelligence than I in scripting can help out.
>
> Joe
--
Jason Hollinden
SMG Systems Admin
