Identifying a package instance
Three parameters defined
in the
pkginfo(F)
file combine to identify each instance uniquely.
You should not assign identical values for all three parameters
for two instances of
the same package installed in the same target environment.
These parameters are:
PKG-
defines the software package abbreviation and remains
constant for every instance of a package
VERSION-
defines the software package version
ARCH-
defines the software package architecture
For example, you might identify two identical versions of a package that
run on different hardware as:
|
Instance 1
|
Instance 2
|
|---|
|
PKG="abbr"
|
PKG="abbr"
|
|
VERSION="release 1"
|
VERSION="release 1"
|
|
ARCH="MX300I"
|
ARCH="i386"
|
Two different versions of a package that run
on the same hardware might be identified as:
|
Instance 1
|
Instance 2
|
|---|
|
PKG="abbr"
|
PKG="abbr"
|
|
VERSION="release 1"
|
VERSION="release 2"
|
|
ARCH="i386"
|
ARCH="i386"
|
All instances of a package installed on a system use the package
abbreviation as the instance identifier (PKGINST).
NOTE:
pkgmk(C)
also assigns an instance
identifier to a package as it places it on the
installation medium if one or more
instances of a package already exists.
That identifier bears no relationship to the identifier assigned to the same
package on the installation machine.
Next topic:
Accessing the instance identifier in your scripts
Previous topic:
2. Defining a package instance
© 2003 Caldera International, Inc. All rights reserved.
SCO OpenServer Release 5.0.7 -- 11 February 2003