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Full Discussion: Bash script to read a hostname and separate into variables
Top Forums Shell Programming and Scripting Bash script to read a hostname and separate into variables Post 302329078 by cfajohnson on Thursday 25th of June 2009 09:36:44 PM
Old 06-25-2009
Quote:
Originally Posted by glarizza
What would be the easiest way to tackle this?

Shell parameter expansion. There's no need for an external command:

Code:
name=machinename-group-building.example.com
right=${name##*-*-}
hostnamescript "${name%"-$right"}.$right"

 

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LEARN ABOUT SUNOS

check-hostname

check-hostname(1M)					  System Administration Commands					check-hostname(1M)

NAME

       check-hostname - check if sendmail can determine the system's  fully-qualified host name

SYNOPSIS

	/usr/sbin/check-hostname

DESCRIPTION

       The   check-hostname script is a migration aid for sendmail(1M).  This script tries to determine the local host's fully-qualified host name
       (FQHN) in a manner similar to  sendmail(1M). If	check-hostname is able to determine the FQHN of the local host, it reports success. Other-
       wise,  check-hostname reports how to reconfigure the system so that the	FQHN can be properly determined.

FILES

       /etc/hosts	       Host name database

       /etc/nsswitch.conf      Name service switch configuration file

       /etc/resolv.conf        Configuration file for name server routines

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWsndmu 		   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Evolving			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       sendmail(1M), hosts(4), attributes(5)

SunOS 5.10							    10 Nov 2003 						check-hostname(1M)
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