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HP OpenVMS systems documentation |
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if ( < software DEC AXPVMS VMS version below V6.2 > ) ;
error UNSUPP_VMS_VER abort ;
else ;
-- include your PDL statements here
end if ;
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If you do use the SOFTWARE statement, you should expect the following results:
| #1 |
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software HP VAXVMS FORTRAN
version minimum V3.0 version maximum V5.0 ;
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The SOFTWARE statement in this example specifies that this product requires HP Fortran software. The version must be between 3.0 and 5.0.
| #2 |
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software HP VAXVMS FORTRAN version below V5.0 ;
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The SOFTWARE statement in this example specifies that this product requires HP Fortran software. The version must be less than (but not equal to) 5.0.
| #3 |
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if ( < software HP AXPVMS COOL_PRODUCT
version minimum V3.0 kit accessible > ) ;
software HP AXPVMS COOL_PRODUCT version minimum V3.0 ;
else if ( < option NO_COOL_REFERENCE default YES with helptext > ) ;
file [SYSEXE]COOL_SUBSTITUTE.EXE ;
else ;
error MISSING_COOL ;
end if ;
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In this example, the SOFTWARE function is used to search the source directory for the COOL_PRODUCT kit. If the POLYCENTER Software Installation utility finds the software package with Version 3.0 or higher on the system, the reference to it is created with a separate SOFTWARE statement.
If the COOL_PRODUCT V3.0 or higher is not found, an option to install its substitute ( file [SYSEXE]COOL_SUBSTITUTE.EXE] ) is offered to the user. If the user declines to accept the substitute image, an error is issued and the user is prompted to either terminate or continue the current session.
The SYSTEM PARAMETER statement allows you to display a message to users that expresses system parameter requirements for your product.
Note
The utility does not change system parameters.
name
Indicates the name of the system parameter. The parameter you specify must be valid on the system where the product executes.
CONSUME value
Indicates that the system parameter must be increased by the specified value. Use this option when the product consumes a resource that is controlled by the system parameter. The value must be a single unquoted string that specifies an unsigned integer value. You cannot use this option with either the MAXIMUM, MINIMUM, or REQUIRE options.MAXIMUM value
Indicates that the system parameter must have a value less than or equal to the specified value. The value must be a single unquoted string that specifies an integer value.MINIMUM value
Indicates that the system parameter must have a value greater than or equal to the specified value. The value must be a single unquoted string that specifies an integer value.REQUIRE value
Indicates that the system parameter must have the specified value. The value must be a single string that specifies a value of the parameter's type. This option is valid for any parameter data type. You cannot use this option with either the MAXIMUM, MINIMUM, or CONSUME options.
The SYSTEM PARAMETER statement displays a message to users about system parameter requirements for your product after the installation. Note that the utility does not adjust system parameters.See Also INFORMATION
system parameter vaxcluster require 1 ;
system parameter tty_classname require "TT" ;
system parameter pagedyn consume 200 ;
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The statements in this example display the following messages:
This product requires the following system parameters
VAXCLUSTER value 1
This product requires the following system parameters
TTY_CLASSNAME value TT
This product requires the following system parameters
PAGEDYN add 200
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The UPGRADE statement specifies the versions of the product that can be upgraded by the product kit being installed. If the product is currently installed but its version does not meet the version selection criteria in the UPGRADE statement, the installation is terminated. The UPGRADE statement has no effect when the product is being installed for the first time.The UPGRADE function tests whether a version of the product in the specified range is being upgraded by the current operation. If a version of the product in the specified range is currently installed, the function returns true; otherwise it evaluates to false. If no version criteria are given, the function tests whether any version of the product is currently installed.
VERSION ABOVE version
Establishes a lower version limit. The version identifier must be a single quoted or unquoted string. Use this option to specify that the product version must be greater than (but not equal to) the specified version. You cannot use this option with either the VERSION MINIMUM or VERSION REQUIRED option. By default, there is no lower version limit.VERSION BELOW version
Establishes an upper version limit. The version identifier must be a single quoted or unquoted string. Use this option to specify that the product version must be less than (but not equal to) the specified version. You cannot use this option with either the VERSION MAXIMUM or VERSION REQUIRED option. By default, there is no upper version limit.VERSION MAXIMUM version
Establishes an upper version limit. The version identifier must be a single quoted or unquoted string. Use this option to specify that the product version must be less than or equal to the specified version. You cannot use this option with either the VERSION BELOW or VERSION REQUIRED option. By default, there is no upper version limit.VERSION MINIMUM version
Establishes a lower version limit. The version identifier must be a single quoted or unquoted string. Use this option to specify that the product version must be greater than or equal to the specified version. You cannot use this option with either the VERSION ABOVE or VERSION REQUIRED option. By default, there is no lower version limit.VERSION REQUIRED version
Establishes a required version. The version identifier must be a single quoted or unquoted string. Use this option to specify that the product version must be equal to the specified version. You cannot use this option with either the VERSION ABOVE, VERSION BELOW, VERSION MAXIMUM, or VERSION MINIMUM option. By default, there is no required version constraint.
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