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HP OpenVMS DCL Dictionary

HP OpenVMS DCL Dictionary
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If the execution queue's retention setting applies, the job is retained on the execution queue. Likewise, if the generic queue's retention setting applies, the job is retained on the generic queue. If the user-specified setting applies, the job is retained in the queue to which it was submitted.

The following example illustrates how the queue manager determines job retention:

Suppose you submit a job to a generic queue and specify /RETAIN=ALWAYS, and the job completes successfully.

First, the queue manager compares the job's completion status to the execution queue's retention setting. Suppose the queue is set with /RETAIN=ERROR (retains only jobs that complete unsuccessfully). The job is not retained in the execution queue because the error condition was not met.

Second, the queue manager compares the job's completion status to the generic queue's retention setting. Suppose the generic queue has no retention setting. The queue manager's comparison again fails to retain the job.

Finally, the queue manager compares the job's completion status to the retention setting you specified for the job. This comparison reveals that the job should be retained. Because the user-specified setting leads the queue manager to retain the job, the job is held in the queue to which the job was submitted---in this case, the generic queue.

For more information on types of queues, see the INITIALIZE/QUEUE command. For more information on setting retention options for queues, see the INITIALIZE/QUEUE, START/QUEUE, or SET QUEUE command.

Timed Retention

Timed retention, which you specify using the UNTIL=time-value option, allows you to retain a job in the queue only as long as you need it. This eliminates the need to delete the job from the queue later.

For example, the following command retains job 172 in the queue until 7:31 on April 19, when the job will automatically be deleted from the queue. 


$ SET ENTRY/RETAIN=UNTIL=19-APR-2001:07:31:0.0 172

However, depending on the queue's job retention policy, the job might be retained indefinitely. The job retention policy set on the queue takes precedence over the user-specified job retention setting. Because system managers cannot specify timed job retention for a queue, any jobs retained as a result of a queue's setting are retained indefinitely.

If you specify the /RETAIN=UNTIL=time-value option, you must supply a time value. The time value is first interpreted as a delta time, then as a combination time, and finally as absolute time. If you specify a delta time, the delta begins when the job completes. For example, if you specify SET ENTRY/RETAIN=UNTIL="+3:00", the job will be retained for three hours after the job completes. For information on specifying time values, refer to the OpenVMS User's Manual.

/SETUP=module[,...]

Extracts the specified modules from the device control library (containing escape sequence modules for programmable printers) and copies the modules to the printer before each file in a print job is printed.

When you use the /SETUP qualifier with the SET ENTRY command, the qualifier applies to the entire print job. You cannot use this qualifier to specify different setup modules for individual files within a multifile job.

/SPACE

/NOSPACE

Controls whether the output of a print job is double-spaced. Specifying the /NOSPACE qualifier causes the output to be single-spaced. When you use the /SPACE qualifier with the SET ENTRY command, the qualifier applies to the entire job. You cannot use this qualifier to specify different spacing for individual files within a multifile job.

/TRAILER

/NOTRAILER

Controls whether a trailer page is printed at the end of each file in a print job. The trailer page displays the entry number, as well as information about the user submitting the job and the files being printed.

When you use the /TRAILER qualifier with the SET ENTRY command, trailer pages are placed at the end of each file in a multifile job.

Use the /[NO]TRAILER qualifier to override the installation-defined defaults that have been set for the output queue you are using or the qualifier specified in the PRINT command that queued the job.

/WSDEFAULT=n

Defines, for a batch job, a working set default, which is the default number of physical pages that the job can use.

If the queue on which the job executes has a nonzero default working set, the smaller of the specified job and queue values is used. If the queue on which the job executes has a working set default of zero, the smaller of the specified job value and the value established in the user authorization file (UAF) is used.

Specify the value of n as a number of 512-byte pagelets on Alpha or 512-byte pages on VAX. Note that the operating system rounds up this value to the nearest CPU-specific page so that the actual amount of physical memory allowed may be larger than the specified amount on Alpha. If you specify zero or NONE, the specified queue or UAF value is used. Working set default values must range between the numbers specified by the system parameters PQL_MWSDEFAULT and WSMAX.

/WSEXTENT=n

Defines, for the batch job, a working set extent, which is the maximum amount of physical memory that the job can use. The job uses the maximum amount of physical memory only when the system has excess free pages. If the queue on which the job executes has a nonzero working set extent, the smaller of the specified job and queue values is used. If the queue on which the job executes has a working set extent of zero, the smaller of the specified job value and the value established in the user authorization file (UAF) is used.

Specify the value of n as a number of 512-byte pagelets on Alpha or 512-byte pages on VAX. Note that the operating system rounds up this value to the nearest CPU-specific page so that the actual amount of physical memory allowed may be larger than the specified amount on Alpha. If you specify zero or NONE, the specified queue or UAF value is used. Working set extent values must range between the numbers specified by the system parameters PQL_MWSEXTENT and WSMAX.

/WSQUOTA=n

Defines, for the batch job, a working set quota, which is the amount of physical memory that the job is guaranteed. If the queue on which the job executes has a nonzero working set quota, the smaller of the specified job and queue values is used. If the queue on which the job executes has a working set quota of zero, the smaller of the specified job value or the value established in the user authorization file (UAF) is used.

Specify the value of n as a number of 512-byte pagelets on Alpha or 512-byte pages on VAX. Note that the operating system rounds up this value to the nearest CPU-specific page so that the actual amount of physical memory allowed may be larger than the specified amount on Alpha. If you specify zero or NONE, the specified queue or UAF value is used. Working set quota values must range between the numbers specified by the system parameters PQL_MWSQUOTA and WSMAX.

Examples

#1 

$ PRINT/HOLD   MYFILE.DAT
  Job MYFILE (queue SYS$PRINT, entry 112) holding
$ SET ENTRY 112/RELEASE/JOB_COUNT=3

The PRINT command in this example requests that the file MYFILE.DAT be queued to the system printer, but placed in a hold status. The SET ENTRY command releases the job for printing and requests that three copies of the job be printed.

#2 

$ SUBMIT CLIMATE
  Job CLIMATE (queue SYS$BATCH, entry 211) pending
$ SET ENTRY 211/HOLD/NAME=TEMP

The SUBMIT command in this example queues the command procedure CLIMATE.COM for processing as a batch job. The SET ENTRY command places the job in a hold state and changes the job name to TEMP, assuming that the job has not yet begun execution.

#3 

$ PRINT/FLAG=ALL/AFTER=20:00 MEMO.MEM, LETTER.MEM, REPORT.MEM/SPACE
  Job MEMO (queue SYS$PRINT, entry 172) holding until 20:00
$ SET ENTRY 172 /BURST/NOSPACE/HEADER

The PRINT command in this example requests that three files be printed after 8:00 P.M. on the default printer with flag pages preceding each file. It also requests that the file REPORT.MEM be double-spaced. Later a SET ENTRY command calls for a burst page at the beginning of each file and requests that all files in the job be single-spaced. This command also requests that headers be printed on each page of each file in the job.

#4 

$ SUBMIT/HOLD/QUEUE=ANYRADQ  TEST.COM
Job TEST (queue ANYRADQ, entry 23) holding
 
$ SET ENTRY 23 /RAD=1
$ SHOW ENTRY/FULL 23
 Entry  Jobname         Username     Blocks  Status
 -----  -------         --------     ------  ------
    23  TEST            SYSTEM               Holding
     On idle batch queue ANYRADQ
     Submitted 24-JUL-2001 14:19:37.44 /KEEP /NOPRINT /PRIORITY=100 /RAD=0
     File: _$1$DKB200:[SWEENEY.CLIUTL]TEST.COM;1

In this example, TEST.COM is submitted to the queue ANYRADQ, and the SET ENTRY command is used to set the RAD to 1.

SET FILE

Modifies the characteristics of one or more files.

See the qualifier descriptions for restrictions.

Format

SET FILE filespec[,...]

Parameter

filespec[,...]

Specifies one or more files to be modified. If you specify more than one file, separate the file specifications with commas (,). The asterisk (*) and the percent sign (%) wildcard characters are allowed.

Description

The SET FILE command modifies a number of file characteristics.

Qualifiers

/ATTRIBUTE=(file-attribute[,...])

Sets the attributes associated with a file. The following table lists possible keywords and the relationship to both ACP-QIO and OpenVMS RMS File attributes:
Keyword ACP-QIO File Attribute1 OpenVMS RMS File Attribute2
BKS:{value} FAT$B_BKTSIZE={byte} FAB$B_BKS={byte}
DEQ:{value} FAT$W_DEFEXT={word} FAB$W_DEQ={word}
EBK:{value} FAT$L_EFBLK={longword} XAB$L_EBK={longword}
FFB:{value} FAT$W_FFBYTE={word} XAB$W_FFB={word}
FSZ:{value} FAT$B_VFCSIZE={byte} FAB$B_FSZ={byte}
GBC:{value} FAT$W_GBC={word} FAB$W_GBC={word}
HBK:{value} FAT$L_HIBLK={longword} XAB$L_HBK={longword}
LRL:{value} FAT$W_RSIZE={word} XAB$W_LRL={word}
MRS:{value} FAT$W_MAXREC={word} FAB$W_MRS={word}
ORG:IDX FAT$V_FILEORG=FAT$C_INDEXED FAB$B_ORG=FAB$C_IDX
ORG:REL FAT$V_FILEORG=FAT$C_RELATIVE FAB$B_ORG=FAB$C_REL
ORG:SEQ FAT$V_FILEORG=FAT$C_SEQUENTIAL FAB$B_ORG=FAB$C_SEQ
RAT:BLK FAT$B_RATTRIB=FAT$M_NOSPAN FAB$B_RAT=FAB$M_BLK
RAT:CR FAT$B_RATTRIB=FAT$M_IMPLIEDCC FAB$B_RAT=FAB$M_CR
RAT:FTN FAT$B_RATTRIB=FAT$M_FORTRANCC FAB$B_RAT=FAB$M_FTN
RAT:MSB FAT$B_RATTRIB=FAT$M_MSBVAR FAB$B_RAT=FAB$M_MSB
RAT:NONE FAT$B_RATTRIB=0 FAB$B_RAT=0
RAT:PRN FAT$B_RATTRIB=FAT$M_PRINTCC FAB$B_RAT=FAB$M_PRN
RFM:FIX FAT$V_RTYPE=FAT$C_FIXED FAB$B_RFM=FAB$C_FIX
RFM:STM FAT$V_RTYPE=FAT$C_STREAM FAB$B_RFM=FAB$C_STM
RFM:STMCR FAT$V_RTYPE=FAT$C_STREAMCR FAB$B_RFM=FAB$C_STMCR
RFM:STMLF FAT$V_RTYPE=FAT$C_STREAMLF FAB$B_RFM=FAB$C_STMLF
RFM:UDF FAT$V_RTYPE=FAT$C_UNDEFINED FAB$B_RFM=FAB$C_UDF
RFM:VAR FAT$V_RTYPE=FAT$C_VARIABLE FAB$B_RFM=FAB$C_VAR
RFM:VFC FAT$V_RTYPE=FAT$C_VFC FAB$B_RFM=FAB$C_VFC
VRS:{value} FAT$W_VERSIONS={word} XAB$W_VERLIMIT={word}
1For further information, refer to the HP OpenVMS I/O User's Reference Manual.
2For further information, refer to the OpenVMS Record Management Services Reference Manual.

/BACKUP

/NOBACKUP

Specifies that the Backup utility (BACKUP) records the contents of the file. The /NOBACKUP qualifier causes BACKUP to record the attributes of the file but not its contents. This qualifier is valid only for Files-11 Structure On-Disk Level 2 and 5 files.

The /NOBACKUP qualifier is useful for saving files that contain unimportant data, such as SWAPFILES.

/BEFORE[=time]

Selects only those files dated prior to the specified time. You can specify time as absolute time, as a combination of absolute and delta times, or as one of the following keywords: BOOT, LOGIN, TODAY (default), TOMORROW, or YESTERDAY. Specify the /CREATED or the /MODIFIED qualifier to indicate the time attribute to be used as the basis for selection. The /CREATED qualifier is the default.

For complete information on specifying time values, refer to the OpenVMS User's Manual or the online help topic DCL_Tips (subtopic Date_Time).

/BY_OWNER[=uic]

Selects only those files whose owner user identification code (UIC) matches the specified owner UIC. The default UIC is that of the current process.

Specify the UIC by using standard UIC format as described in the HP OpenVMS Guide to System Security.

/CACHING_ATTRIBUTE=keyword

Use this qualifier to control which files are cached by the Extended File Cache. It sets the caching attribute for a file or directory in a Files-11 ODS-2 or ODS-5 volume.

The caching attribute of a file is the default caching option that is used by the Extended File Cache when an application accesses the file without specifying which caching option it wants to use.

The keyword can be either WRITETHROUGH or NO_CACHING. Use WRITETHROUGH for files that you want to be cached. Use NO_CACHING for files that you don't want to be cached.

The Extended File Cache does not cache directories. The caching attribute of a directory controls only how the caching attribute is inherited by new files and subdirectories created in the directory:

When you use the INITIALIZE command to create a new Files-11 volume, the caching attribute of its root directory (000000.DIR;1) is set to write-through. This means that by default, all the files and directories you create in the volume will inherit a caching attribute of write-through unless you use SET FILE /CACHING_ATTRIBUTE.

If you do not want to cache any files in a volume, mount the volume with caching disabled, using MOUNT /NOCACHE, instead of setting the caching attribute of all the files in the volume to NO_CACHING. Using MOUNT /NOCACHE gives better performance, and ensures the minimum caching overhead.

When you change the caching attribute of a directory, it does not affect the caching attribute of any existing files and subdirectories in the directory.

When you change the caching attribute of a file, it does not affect the type of caching being used by any applications that are currently accessing the file.

/CONFIRM

/NOCONFIRM (default)

Controls whether a request is issued before each SET FILE operation to confirm that the operation should be performed on that file. The following responses are valid:
YES NO QUIT
TRUE FALSE Ctrl/Z
1 0 ALL
  [Return]  

You can use any combination of uppercase and lowercase letters for word responses. Word responses can be abbreviated to one or more letters (for example, T, TR, or TRU for TRUE), but these abbreviations must be unique. Affirmative answers are YES, TRUE, and 1. Negative answers include: NO, FALSE, 0, and pressing Return. Entering QUIT or pressing Ctrl/Z indicates that you want to stop processing the command at that point. When you respond by entering ALL, the command continues to process, but no further prompts are given. If you type a response other than one of those in the list, DCL issues an error message and redisplays the prompt.

/CREATED (default)

Modifies the time value specified with the /BEFORE or the /SINCE qualifier. The /CREATED qualifier selects files based on their dates of creation. This qualifier is incompatible with the /MODIFIED qualifier, which also allows you to select files according to time attributes. The /CREATED qualifier is the default qualifier.

/DATA_CHECK[=([NO]READ,[NO]WRITE)]

Specifies whether a read data check (rereading each record), a write data check (reading each record after it is written), or a combination of the two is performed on the file during transfers. By default, a write data check is performed.

/END_OF_FILE

Resets the end-of-file (EOF) mark to the highest block allocated.

/ENTER=alias-filespec

Use with caution.

Creates an alias for the specified file. Both the original name and the new alias refer to the same file. To remove the alias, use the SET FILE /REMOVE command.

Note
Make sure that the alias and the original name are in different directories, or you may subsequently lose data during a delete or purge operation. The DELETE and PURGE commands and the file version limit feature can behave unpredictably if the original name and the alias are in the same directory.

If you use aliases, you must also be careful when you use the DELETE and SET FILE /REMOVE commands, or you may end up with either an inaccessable file that has no name or a name that does not refer to a file. Follow these guidelines to avoid these problems:

  • Use SET FILE /REMOVE to remove an alias; do not use the DELETE command to remove an alias.
  • Do not use SET FILE /REMOVE to remove the original file name.

If you do not follow these guidelines and encounter problems, use ANALYZE /DISK /REPAIR to move inaccessable files to the SYSLOST directory and remove names that no longer refer to files.

/ERASE_ON_DELETE

Specifies that the specified files are erased from the disk (not just written over) when the DELETE or PURGE command is issued for the files. See the DELETE/ERASE command for more information.

/EXCLUDE=(filespec[,...])

Excludes the specified file from the SET FILE operation. You can include a directory name but not a device name in the file specifications. The asterisk (*) and the percent sign (%) wildcard characters are allowed in the file specification; however, you cannot use relative version numbers to exclude a specific version. If you specify only one file, you can omit the parentheses.

/EXPIRATION_DATE=date

/NOEXPIRATION_DATE

Requires read (R), write (W), and control access. Being the owner of the file is one way to get control access.

Controls whether an expiration date is assigned to the specified files.

Specify the date according to the rules described in the OpenVMS User's Manual or the online help topic DCL_Tips (subtopic Date_Time). Absolute date keywords are allowed. If you specify zero as the date, today's date is used.

/EXTENSION[=n]

Sets the extend quantity default for the file. The value of the parameter n can range from 0 to 65,535. If you omit the value specification or specify a value of 0, OpenVMS Record Management Services (OpenVMS RMS) calculates its own value for the /EXTENSION qualifier.

See the SET RMS_DEFAULT command for a description of the /EXTEND_QUANTITY qualifier.

/GLOBAL_BUFFER=n

/NOGLOBAL_BUFFER

Sets the OpenVMS Record Management Services (OpenVMS RMS) global buffer count (the number of buffers that can be shared by processes accessing the file) for the specified files. The value n must be an integer in the range from 0 to 32,767. A value of 0 disables buffer sharing.

The /SHARE qualifier can be used to enable or disable global buffers on a file currently being accessed; however, any new global buffer settings will only be applied to new accessors of the file. If a file is already open with global buffers, any new number of global buffers will not take effect until the file is closed by all accessors of the file.

/LOG

/NOLOG (default)

Displays the file specification of each file modified as the command executes.

/MODIFIED

Modifies the time value specified with the /BEFORE or the /SINCE qualifier. The /MODIFIED qualifier selects files according to the dates on which they were last modified. This qualifier is incompatible with the /CREATED qualifier, which also allows you to select files according to time attributes. If you do not specify the /MODIFIED qualifier, the default is the /CREATED qualifier.

/MOVE

/NOMOVE

Controls whether movefile operations are enabled on the specified file.

When you create a file, movefile operations are enabled on that file. You should disable movefile operations on specialized files that are accessed other than through the XQP (such as files accessed through logical I/O to a disk).

Note that movefile operations are automatically disabled on critical system files. Do not enable movefile operations on these files.

/NODIRECTORY

Use with extreme caution. Requires SYSPRV (system privilege).

Removes the directory attributes of a file and allows you to delete the corrupted directory file even if other files are contained in the directory. When you delete a corrupted directory file, the files contained within it are lost.

Use ANALYZE/DISK_STRUCTURE/REPAIR to place the lost files in [SYSLOST]. You can then copy the lost files to a new directory. This qualifier is valid only for Files-11 On-Disk Structure Level 2 files. For more information about the Verify utility, refer to the HP OpenVMS System Management Utilities Reference Manual.

/OWNER_UIC[=uic]

This qualifier has been superseded by the SET SECURITY/OWNER command.

/PROTECTION[=(ownership[:access][,...])]

This command has been superseded by the SET SECURITY/PROTECTION command.

/REMOVE

Use with caution.

Enables you to remove one of the names of a file that has more than one name, without deleting the file. If you have created an additional name for a file with the /ENTER qualifier of SET FILE, you can use the /REMOVE qualifier to remove either the original name or the alias. The file still exists and can be accessed by whatever name or names remain in effect.

However, if you accidentally remove the name of a file that has only one name, you cannot access that file with most DCL commands; use the ANALYZE/DISK_STRUCTURE utility to retrieve the file.

/SEMANTICS=semantics-tag

/NOSEMANTICS

Use the /SEMANTICS qualifier to create or change a semantics tag. Use the /NOSEMANTICS qualifier to remove a semantics tag from a file. For more information, refer to the Guide to OpenVMS File Applications.

/SHARE

Allows you to enable or disable global buffers or statistics on a file currently being accessed by other users.

Requires SYSPRV privilege.

Only new accessors of the file acquire the new settings. For example, if a file is opened with no global buffers specified and the SET FILE/GLOBAL=n/SHARE command is issued, only new accessors of the file will use global buffers. If /STATISTICS is enabled on an active file, only operations performed by new accessors of the file are measured.

If a file is already open with global buffers, any new number of global buffers will not take effect until the file is closed by all accessors of the file.

The /SHARE qualifier is valid only with the following qualifiers:

/SHELVABLE

/NOSHELVABLE

Controls whether the file is shelvable.

/SINCE[=time]

Selects only those files dated on or after the specified time. You can specify time as absolute time, as a combination of absolute and delta times, or as one of the following keywords: BOOT, LOGIN, TODAY (default), TOMORROW, or YESTERDAY. Specify the /CREATED or the /MODIFIED qualifier to indicate the time attribute to be used as the basis for selection. The /CREATED qualifier is the default.

For complete information on specifying time values, refer to the OpenVMS User's Manual or the online help topic DCL_Tips (subtopic Date_Time).

/STATISTICS

/NOSTATISTICS (default)

Enables the gathering of RMS statistics on the specified file. These statistics can then be viewed by using the Monitor utility, which is invoked with the DCL command MONITOR. The SET FILE/STATISTICS command applies an application ACE to the specified file. The ACE does not affect access control and is only meaningful to the application assigning it.

The /SHARE qualifier can be used to enable or disable statistics on a file currently being accessed. However, only statistics of new accessors of the file will be measured.

/STYLE=keyword

Specifies the file name format for display purposes.

The valid keywords for this qualifier are CONDENSED and EXPANDED. Descriptions are as follows:
Keyword Explanation
CONDENSED (default) Displays the file name representation of what is generated to fit into a 255-length character string. This file name may contain a DID or FID abbreviation in the file specification.
EXPANDED Displays the file name representation of what is stored on disk. This file name does not contain any DID or FID abbreviations.

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