Shell script
Jerry Feldman
Gerry.Feldman at compaq.com
Wed Jun 14 09:24:18 EDT 2000
I don't understand exactly what you are trying to do. I assuming you are
using the grep 64 to simply extract the pings and not the other crap,
such as the header and result. I don't understand why you expect the
number 5?
if I use the command:x=` ping -c 5 entil-zha | grep 64`
Where the single quotes are the grave accent which causes the
command to be executed, not the single quotes, I would expect x to
contain:
64 bytes from 192.168.3.23: icmp_seq=0 ttl=255 time=0 ms 64 bytes
from 192.168.3.23: icmp_seq=1 ttl=255 time=0 ms 64 bytes from
192.168.3.23: icmp_seq=2 ttl=255 time=0 ms 64 bytes from
192.168.3.23: icmp_seq=3 ttl=255 time=0 ms 64 bytes from
192.168.3.23: icmp_seq=4 ttl=255 time=0 ms
On 14 Jun 2000, at 8:42, Anthony J. Gabrielson wrote:
> Okay know I don't feel so bad. For some reason this is not working. My
> command is ping -c 5 bacon | grep 64 - when I assign it var='ping cmd'
> then echo $var - it echos the command, not the answer I'm expecting 5. I
> haven't had to due much shell sccripting so I could be missing something
> big.
>
> As always all help appreciated.
>
> Thanks,
> Anthony
>
> On Tue, 13 Jun 2000, Anthony J. Gabrielson wrote:
>
> > Hello,
> > I have what I hope to be an easy question. How do I make the
> > output of a command, it will be a number, assign to a variable. I'm using
> > bash - I have been reading through several books on this and I'm starting
> > to get frusterated.
> >
> > Thanks,
> > Anthony
> >
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--
Jerry Feldman
Contractor, eInfrastructure Partner Engineering
508-467-4315 http://www.testdrive.compaq.com/linux/
Compaq Computer Corp.
200 Forest Street MRO1-3/F1
Marlboro, Ma. 01752
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