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Full Discussion: Sed Question?
Top Forums Shell Programming and Scripting Sed Question? Post 302163851 by shamrock on Saturday 2nd of February 2008 07:04:13 PM
Old 02-02-2008
Quote:
Originally Posted by Kweekwom
Hi,

Here's what I'm trying to do. I have a set of numbers like this:

12-13 15-18 23-28 36-38 42-43 53-56 70-72 76 80-86 93-110 119-128

But I want to echo the ranges of numbers. Is there any way I can get sed to replace for example, "12-13 15-18" with "{12..13} {15..18}" so it will echo the entire range?

Or, is there a better way of accomplishing this?

Thanks!
Code:
sed 's/\([0-9][0-9]*\)-\([0-9][0-9]*\)/{\1..\2}/g' file

 

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LEARN ABOUT CENTOS

chsh

CHSH(1) 							   User Commands							   CHSH(1)

NAME

       chsh - change your login shell

SYNOPSIS

       chsh [-s shell] [-l] [-u] [-v] [username]

DESCRIPTION

       chsh is used to change your login shell.  If a shell is not given on the command line, chsh prompts for one.

       chsh is used to change local entries only. Use ypchsh, lchsh or any other implementation for non-local entries.

OPTIONS

       -s, --shell shell
	      Specify your login shell.

       -l, --list-shells
	      Print the list of shells listed in /etc/shells and exit.

       -u, --help
	      Print a usage message and exit.

       -v, --version
	      Print version information and exit.

VALID SHELLS

       chsh  will  accept  the full pathname of any executable file on the system.  However, it will issue a warning if the shell is not listed in
       the /etc/shells file.  On the other hand, it can also be configured such that it will only accept shells listed in this	file,  unless  you
       are root.

EXIT STATUS

       Returns 0 if operation was successful, 1 if operation failed or command syntax was not valid.

SEE ALSO

       login(1), passwd(5), shells(5)

AUTHOR

       Salvatore Valente <svalente@mit.edu>

AVAILABILITY

       The chsh command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.

util-linux							     July 2009								   CHSH(1)
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