Getting Started with DECTPU 2.6 Using OpenVMS EDIT/TPU Command Qualifiers

The /NODISPLAY qualifier causes DECTPU to run without using the screen display and the keyboard functions of a terminal. Use /NODISPLAY in the following cases:

•When running DECTPU procedures in a batch job

•When using DECTPU on an unsupported terminal

When you use /NODISPLAY, all operations continue as usual, except that no output occurs. (The only exception is that information usually put into the message buffer will appear on SYS$OUTPUT if no message buffer is available.)

The following command causes DECTPU to edit the file MY_BATCH_FILE.RNO without using terminal functions such as screen display:

$ EDIT/TPU/NODISPLAY my_batch_file.rno

2.6.6 /INITIALIZATION

/INITIALIZATION[[=filespec]] (default)

/NOINITIALIZATION

The /INITIALIZATION qualifier determines whether the DECTPU-based application being run executes a file of initialization commands. The application layered on DECTPU is responsible for processing this qualifier.

To determine whether you specified /INITIALIZATION on the DCL command line, use the following call in the application:

x := GET_INFO (COMMAND_LINE, "initialization");

The preceding call returns 1 if /INITIALIZATION was specified, 0 otherwise. To fetch the name of the initialization file specified on the command line, use the following call:

x := GET_INFO (COMMAND_LINE, "initialization_file");

For more information on GET_INFO, see the DEC Text Processing Utility Reference Manual.

If you do not specify any form of /INITIALIZATION on the DCL command line, DECTPU specifies /INITIALIZATION but does not supply a default file specification. The default file specification for /INITIALIZATION is set by the application. Compaq recommends that a user-written application define the default file specification of an initialization file by using the following format:

facility$init.facility

For example, the default initialization file for the EVE editor is EVE$INIT.EVE.

In EVE, if you do not specify a device or directory, EVE first checks the current directory. If the specified (or default) initialization file is not there, EVE checks SYS$LOGIN. If EVE finds the specified (or default) initialization file, EVE executes the commands in the file.

For more information on using initialization files with EVE, see Chapter 5 and the Extensible Versatile Editor Reference Manual.

Getting Started with DECTPU 2–13

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Compaq AA-PWCBD-TE manual $ EDIT/TPU/NODISPLAY mybatchfile.rno, Noinitialization
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