topic Re: Carriage Return in a script - in Operating System - HP-UX

Carriage Return in a script -

rmueller58 — Wed, 03 Jan 2007 10:06:25 GMT

All,

I have a question, perhaps one of you can give me an idea of what to do. We are running
Informix 7.3.1UD8 Online Engine,

I have a script I’ve been running manually arch_pei.sh

# cat arch_pei.sh
#!/bin/sh
cd /snapfileserver2
mv level0.pei old.level0.pei
touch level0.pei
chown informix:informix level0.pei
chmod 660 level0.pei
ontape -s -L 0
rm old.level0.pei
#

FWIW the line "ontape -s -L 0" in the script prompts for a mount
Please mount tape 1 on /snapfileserver2/level0.pei

the file and location in question is disk and not tape.

When I run this I am prompted to enter a carriage return at the ONTAPE LINE . How with in this script can I echo or force a carriage return to run this script? Should I use expect?

If any one wth Informix experience sees this they may have a work around.. I'd appreciate it.

Rex Mueller - Educational Service Unit #3
Omaha, NE

Re: Carriage Return in a script -

Peter Godron — Wed, 03 Jan 2007 10:13:25 GMT

Hi,
how about something along these lines:
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=971561

Re: Carriage Return in a script -

James R. Ferguson — Wed, 03 Jan 2007 10:32:24 GMT

Hi Rex:

I would try:

# ontape -s -L 0 < /dev/null

Regards!

...JRF...

Re: Carriage Return in a script -

spex — Wed, 03 Jan 2007 10:35:29 GMT

Hi Rex,

I'm not familiar with 'ontape', but perhaps this would work:

...
chmod 660 level0.pei
ontape -s -L 0 << _EOF_

_EOF_
rm old.level0.pei
...

PCS

Re: Carriage Return in a script -

Raj D. — Wed, 03 Jan 2007 10:53:06 GMT

Omaha,

Check this out:

You can use the below ,Hope this can help,

echo "\r" | ontape -s -L 0

That will provide a carriage retrun after it will ask after doing intital process by ontape ,

Cheers,

Re: Carriage Return in a script -

Raj D. — Wed, 03 Jan 2007 10:53:20 GMT

Omaha,

Check this out:

You can use the below ,Hope this can help,

echo "\r" | ontape -s -L 0

That will provide a carriage retrun after it will ask after doing initial process by ontape ,

Cheers,

Re: Carriage Return in a script -

Raj D. — Wed, 03 Jan 2007 10:56:35 GMT

Omaha,

Also you can do like this :

# echo "\r" | ./arch_pei.sh

That will add a carriage when it will prompt,

Cheers,
Raj.

Re: Carriage Return in a script -

rmueller58 — Wed, 03 Jan 2007 13:40:44 GMT

Thanks All, both the
< /dev/null
and the
echo "\r" worked, I didn't try the others.. Appreciate the assist.

I didn't think I'd have to resort to writting an expect script to handle something as simple as a carriage return!

Thanks !!

Re: Carriage Return in a script -

Raj D. — Wed, 03 Jan 2007 14:03:18 GMT

Rex , thx for the quick review.
Well , sorry! for the multiple posting happend due to itrc site access problem and due to multiple click,. Hope you understood that.

And nice to know that the script worked.
Enjoy,Cheers,
Raj.

(ps: 0 pts pls)

Re: Carriage Return in a script -

Peter Godron — Mon, 08 Jan 2007 05:10:36 GMT

Rex,
could you please confirm that you read the answers provided in the link in my first post ?

Solutions given in that link were:
expect and/or redirct of input (use of <<)

Re: Carriage Return in a script -

rmueller58 — Mon, 08 Jan 2007 08:59:55 GMT

Peter,

Yes, I did read the other thread.. I've been using Expect for many other things.. However for this "issue" I felt it was not merited to use it at this point.
I do keep references to refer back to when I script. My brain doesn't always recall things like it used to 10 years ago. :D

Re: Carriage Return in a script -

Peter Godron — Mon, 08 Jan 2007 09:11:53 GMT

Rex,
did you also read on in that link and see Steve Lewis's solution - which was the use of << EOF

Rather than just answering a particular problem with a one-liner I try to find a previous thread which suggests a number of solutions, as users tend to have preferences.

In this case, the use of << was one answer (as also offered by Spex). You mentioned expect as a possible solution in your description.

Re: Carriage Return in a script -

rmueller58 — Mon, 08 Jan 2007 09:20:46 GMT

Yes, <
Thank you.

Re: Carriage Return in a script -

rmueller58 — Mon, 08 Jan 2007 09:23:07 GMT

Thanks All.