Match a specific IP range


 
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Old 07-16-2008
Match a specific IP range

Hello all,

I would like a bit of help with a problem I am having. I have the following example file:

$ cat test_hosts
10.10.2.3 host1
10.10.2.4 host2
10.10.2.130 host3
10.10.2.5 host4
10.10.2.230 host5
10.10.2.22 host6

I need to match all IP addresses in the 10.10.2.1-10.10.2.22 range. I have tried all kind of things but for the life of me, I can't get it to work.

$ cat test_hosts | egrep "10\.10\.2\.[1,22]\s"

This shows nothing.

$ cat test_hosts | egrep "10\.10\.2\.[1,22]"
10.10.2.130 host3
10.10.2.230 host5
10.10.2.22 host6

Not exactly what I need. What am I doing wrong ?


Thanks,
Sylaan
 
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HWLOC-ASSEMBLER-REMOTE(1)					       hwloc						 HWLOC-ASSEMBLER-REMOTE(1)

NAME
hwloc-assembler-remote - Assemble multiple remote host topologies SYNOPSIS
hwloc-assembler-remote [options] output.xml host1 host2 ... OPTIONS
--ssh <ssh> Use the given ssh command (and options) to connect to remote hosts. --lstopo-path <path> Use the given path as the remote lstopo command when gathering remote topologies. By default, lstopo is taken from the PATH envi- ronment variable. --lstopo-opts <opts> Pass the given lstopo options when gathering remote topologies. --show Display the resulting topology before exit. -v --verbose Verbose messages. DESCRIPTION
hwloc-assembler-remote is a frontend to hwloc-assembler. It takes care of retrieving the remote nodes' topologies before assembling them with hwloc-assembler. EXAMPLES
To assemble three nodes topologies: $ hwloc-assembler-remote output.xml host1 host2 host3 To assemble the topology of a multi-process MPI job defined as a machinefile: $ hwloc-assembler-remote output.xml `cat machinefile | sort | uniq` RETURN VALUE
Upon successful execution, hwloc-assembler-remote returns 0. hwloc-assembler-remote will return nonzero if any kind of error occurs, such as (but not limited to) failure to parse the command line. SEE ALSO
hwloc(7), lstopo(1), hwloc-assembler(1) 1.4.1 Feb 27, 2012 HWLOC-ASSEMBLER-REMOTE(1)