HP OpenVMS DCL Dictionary


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CREATE

Creates a sequential disk file or files.

Format

CREATE filespec[,...]


Parameter

filespec[,...]

Specifies the name of one or more input files to be created. Wildcard characters are not allowed. If you omit either the file name or the file type, the CREATE command does not supply any defaults. The file name or file type is null. If the specified file already exists, a new version is created.

Description

The CREATE command creates a new sequential disk file. In interactive mode, each separate line that you enter after you enter the command line becomes a record in the newly created file. To terminate the file input, press Ctrl/Z.

When you enter the CREATE command from a command procedure file, the system reads all subsequent records in the command procedure file into the new file until it encounters a dollar sign ($) in the first position in a record. Terminate the file input with a line with a dollar sign in column 1 (or with the end of the command procedure).

If you use an existing file specification with the CREATE command, the newly created file has a higher version number than any existing files with the same specification.

If you use the CREATE command to create a file in a logical name search list, the file will only be created in the first directory produced by the logical name translation.

Normally, the owner of the output file will be the same as the creator of the output file. However, if a user with extended privileges creates the output file, the owner will be the owner of the parent directory or any previous versions of the output file.

Extended privileges include any of the following:


Qualifiers

/LOG

/NOLOG (default)

Displays the file specification of each new file created as the command executes.

/OWNER_UIC=uic

Requires SYSPRV (system privilege) privilege to specify a user identification code (UIC) other than your own.

Specifies the UIC to be associated with the file being created. Specify the UIC by using standard UIC format as described in the OpenVMS User's Manual.

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

Specifies protection for the file.

If you do not specify a value for each access category, or if you omit the /PROTECTION qualifier, the CREATE command applies the following protection for each unspecified category:
File Already Exists? Protection Applied
Yes Protection of the existing file
No Current default protection

Note

If you attempt to create a file with no access, the file is created with the system default RMS protection values. To create a file with no access, use the SET SECURITY/PROTECTION command.

For more information on specifying protection codes, see the HP OpenVMS Guide to System Security.

/SYMLINK="text"

Creates a symbolic link containing the specified text without the enclosing quotation marks. If the created symbolic link is subsequently encountered during any file-name processing, the contents of the symbolic link are read and treated as a POSIX pathname specification. No previous version of the symbolic link can exist.

If the path is absolute (that is, it starts with a slash character), RMS attempts to translate its first field as a logical name.

/VOLUME=n

Places the file on the specified relative volume of a multivolume set. By default, the file is placed arbitrarily in a multivolume set.

Examples

#1

$ CREATE MEET.TXT
John, Residents in the apartment complex will hold their annual 
meeting this evening.  We hope to see you there, Regards, Elwood 
[Ctrl/Z]
 
      

The CREATE command in this example creates a text file named MEET.TXT in your default directory. The text file MEET.TXT contains the lines that follow until the Ctrl/Z.

#2

$ CREATE A.DAT, B.DAT
Input line one for A.DAT...
Input line two for A.DAT...
   .
   .
   .
 
[Ctrl/Z]
 
Input line one for B.DAT...
Input line two for B.DAT...
   .
   .
   .
 
[Ctrl/Z]
$
 
      

After you enter the CREATE command from the terminal, the system reads input lines into the sequential file A.DAT until Ctrl/Z terminates the first input. The next set of input data is placed in the second file, B.DAT. Again, Ctrl/Z terminates the input.

#3

$ FILE = F$SEARCH("MEET.TXT") 
$ IF FILE .EQS. "" 
$ THEN CREATE MEET.TXT 
  John, Residents in the apartment complex will hold their annual 
  meeting this evening.  We hope to see you there, Regards, Elwood 
$ ELSE TYPE MEET.TXT 
$ ENDIF 
$ EXIT 
      

In this example, the command procedure searches the default disk and directory for the file MEET.TXT. If the command procedure determines that the file does not exist, it creates a file named MEET.TXT using the CREATE command.

#4

$ SET DEFAULT DKA500:[TEST] 
$ SET PROCESS /CASE=CASE_LOOKUP=SENSITIVE /PARSE_STYLE=EXTENDED 
$ CREATE COEfile.txt 
[Ctrl/Z]
$ CREATE COEFILE.TXT 
[Ctrl/Z]
$ CREATE CoEfIlE.txt 
[Ctrl/Z]
$ DIRECTORY 
 
Directory DKA500:[TEST] 
 
CoEfIlE.txt;1 
COEFILE.TXT;1 
COEfile.txt;1 

In this example, DKA500 is an ODS-5 disk. If your process is set to CASE_LOOKUP=SENSITIVE and you create more than one file with the same name differing only in case, DCL treats subsequent files as new files and lists them as such.


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