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Full Discussion: how to separate every 10 characters then space then another 10 charactes
Top Forums Shell Programming and Scripting how to separate every 10 characters then space then another 10 charactes Post 302141707 by bakunin on Monday 22nd of October 2007 03:40:38 AM
Old 10-22-2007
In principle this is easy (replace "<b>" by a literal blank):

's/[^<b>]\{10\}/&<b>/g'

But i take it from your example that the substitution should only take place in the middle of a line leaving the other fields intact:

input:
NotToBeChanged 01234567890123456789 NotToBeChanged

output:
NotToBeChanged 0123456789 0123456789 NotToBeChanged

It depends on the structure of your input file how to refine the regexp then. In your example my solution would work because the first field is less than 10 characters long. If you have trouble with it pls come back here.

bakunin
 

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LEARN ABOUT DEBIAN

vtysh

VTYSH(1)							  Version 0.96.5							  VTYSH(1)

NAME

       vtysh - a integrated shell for Quagga routing software

SYNOPSIS

       vtysh [ -b ]
       vtysh [ -E ] [ -d daemon ] ] [ -c command ]

DESCRIPTION

       vtysh is a integrated shell for Quagga routing engine.

OPTIONS

       Options available for the vtysh command:

       -b, --boot
	      Execute  boot  startup configuration. It makes sense only if integrated config file is in use (not default in Quagga). See Info file
	      Quagga for more info.

       -c, --command command
	      Specify command to be executed under batch mode. It behaves like -c option in any other shell - command is executed and vtysh exits.

	      It's useful for gathering info from Quagga routing software or reconfiguring daemons from inside shell scripts, etc.  Note that mul-
	      tiple commands may be executed by using more than one -c option and/or embedding linefeed characters inside the command string.

       -d, --daemon daemon_name
	      Specify  which  daemon to connect to.  By default, vtysh attempts to connect to all Quagga daemons running on the system.  With this
	      flag, one can specify a single daemon to connect to instead.  For example, specifying '-d ospfd' will connect only to  ospfd.   This
	      can be particularly useful inside scripts with -c where the command is targeted for a single daemon.

       -e, --execute command
	      Alias  for  -c.  It's  here  only  for  compatibility with Zebra routing software and older Quagga versions. This will be removed in
	      future.

       -E, --echo
	      When the -c option is being used, this flag will cause the standard vtysh prompt and command to be echoed prior  to  displaying  the
	      results.	This is particularly useful to separate the results when executing multiple commands.

       -h, --help
	      Display a usage message on standard output and exit.

ENVIRONMENT VARIABLES

       VTYSH_PAGER
	      This should be the name of the pager to use. Default is more.

FILES

       /usr/local/etc/vtysh.conf
	      The default location of the vtysh config file.

       /usr/local/etc/Quagga.conf
	      The default location of the integrated Quagga routing engine config file if integrated config file is in use (not default).

WARNING

       This man page is intended to be a quick reference for command line options. The definitive document is the Info file Quagga.

SEE ALSO

       bgpd(8), ripd(8), ripngd(8), ospfd(8), ospf6d(8), isisd(8), zebra(8)

BUGS

       vtysh eats bugs for breakfast. If you have food for the maintainers try http://bugzilla.quagga.net

AUTHORS

       See http://www.zebra.org and http://www.quagga.net or the Info file for an accurate list of authors.

Quagga VTY shell						   27 July 2006 							  VTYSH(1)
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