Re: Help!! ontape -s in background

Sham, Vaidya wrote: > > Hi, > > Although running an ontape -s archive in the background is not recommended > by Informix due to the fact that it may hang online if the tape you are > writing too needs to be changed. The reason for hanging up is ontape will > continue to wait for a tape change and when the time comes for a checkpoint > to be written, the checkpoint program will try to write out data to the > archive tape and that will then hang OnLine. > > However, if I am absolutely sure that the entire archive will fit onto > tape or I make sure that I am writing to disk with enough space I am OK.... > > My problem is ontape -s asks for a return to confirm the tape is entered, > and waits for the very first tape, how do I enter the "Enter" keystroke from > a korn shell. The following script does not work and is a copy of the Joe > Lumbley script mentioned in his book for C shell. ( ^M - Control M is a > carraige return ). I am running OnLine version 7.12 on a Sun Solaris > system. > > # Begin script > ontape -s << EOF> 0 > ^M > EOF > #End script > > Any ideas appreciated... > > Thanks > > Sham Vaidya > smvaidya@auto.rockwell.com Sham I use bourne shell instead I do it like this: ontape -s -L 0 <<!! !! The empty line in the 'here-document' (that is between the !!-pair) provides the Rturn to ontape It has proven to work in practice with online 5, 6 and 7 on IRIX, AIX, SCO and EP/IX Bye Gert van Eck