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Full Discussion: Using grep returns partial matches, I need to get an exact match or nothing
Top Forums Shell Programming and Scripting Using grep returns partial matches, I need to get an exact match or nothing Post 302490620 by ec01 on Tuesday 25th of January 2011 10:01:31 AM
Old 01-25-2011
alternative solution using awk and/or nawk to match the exact zoneName:
Code:
# cat /var/tmp/zoneadm.out.test
  ID NAME             STATUS     PATH                           BRAND    IP
   0 global           running    /                              native   shared
   1 myzone1          running    /zones/myzone1                 native   shared
   2 myzone1-old      running    /zones/myzone1-old             native   shared
   4 myzone2          running    /zones/myzone2                 native   shared
   5 myzone2-old      running    /zones/myzone2-old             native   shared
   6 myzone2-another  running    /zones/myzone2-another         native   shared
   7 myzone2-junk     running    /zones/myzone2-junk            native   shared
# zoneName=myzone2
# awk '$2 == "'$zoneName'"' /var/tmp/zoneadm.out.test
   4 myzone2          running    /zones/myzone2                 native   shared
# zoneName=myzone2-
# awk '$2 == "'$zoneName'"' /var/tmp/zoneadm.out.test  ### no match
# zoneName=myzone2-old
# awk '$2 == "'$zoneName'"' /var/tmp/zoneadm.out.test
   5 myzone2-old      running    /zones/myzone2-old             native   shared

(in your case you'd run zoneadm list -vic then pipe it to awk instead rather than using the file)

Be careful with the quotes for the shell variables (ie: quote as exactly as shown). nawk may be easier if the quotes are too hard to read:
Code:
# zoneName=myzone2
# nawk -v zonename=${zoneName} '$2 == zonename {print $2}' /var/tmp/zoneadm.out.test
myzone2

Last edited by ec01; 01-25-2011 at 11:01 AM.. Reason: fix code tags
This User Gave Thanks to ec01 For This Post:
TKD
 

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LEARN ABOUT OPENDARWIN

zonename

zonename(1)							   User Commands						       zonename(1)

NAME

       zonename - print name of current zone

SYNOPSIS

       zonename

DESCRIPTION

       The zonename utility prints the name of the current zone.

EXIT STATUS

       The following exit values are returned:

       0	Successful completion.

       >0	An error occurred.

ATTRIBUTES

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

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

SEE ALSO

       zlogin(1), zoneadm(1M), zonecfg(1M), attributes(5), zones(5)

SunOS 5.10							    9 Jan 2004							       zonename(1)
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