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RMDEL(1P) POSIX Programmer's Manual RMDEL(1P)

PROLOG
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (con-
sult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on
Linux.

NAME
rmdel - remove a delta from an SCCS file (DEVELOPMENT)

SYNOPSIS
rmdel -r SID file...

DESCRIPTION
The rmdel utility shall remove the delta specified by the SID from each named SCCS file. The delta to be removed shall be
the most recent delta in its branch in the delta chain of each named SCCS file. In addition, the application shall ensure
that the SID specified is not that of a version being edited for the purpose of making a delta; that is, if a p-file (see
get ) exists for the named SCCS file, the SID specified shall not appear in any entry of the p-file.

Removal of a delta shall be restricted to:

1. The user who made the delta

2. The owner of the SCCS file

3. The owner of the directory containing the SCCS file

OPTIONS
The rmdel utility shall conform to the Base Definitions volume of IEEE Std 1003.1-2001, Section 12.2, Utility Syntax
Guidelines.

The following option shall be supported:

-r SID
Specify the SCCS identification string ( SID) of the delta to be deleted.

OPERANDS
The following operand shall be supported:

file A pathname of an existing SCCS file or a directory. If file is a directory, the rmdel utility shall behave as
though each file in the directory were specified as a named file, except that non-SCCS files (last component of
the pathname does not begin with s.) and unreadable files shall be silently ignored.

If exactly one file operand appears, and it is '-', the standard input shall be read; each line of the standard input is
taken to be the name of an SCCS file to be processed. Non-SCCS files and unreadable files shall be silently ignored.

STDIN
The standard input shall be a text file used only when the file operand is specified as '-' . Each line of the text file
shall be interpreted as an SCCS pathname.

INPUT FILES
The SCCS files shall be files of unspecified format.

ENVIRONMENT VARIABLES
The following environment variables shall affect the execution of rmdel:

LANG Provide a default value for the internationalization variables that are unset or null. (See the Base Definitions
volume of IEEE Std 1003.1-2001, Section 8.2, Internationalization Variables for the precedence of international-
ization variables used to determine the values of locale categories.)

LC_ALL If set to a non-empty string value, override the values of all the other internationalization variables.

LC_CTYPE
Determine the locale for the interpretation of sequences of bytes of text data as characters (for example, single-
byte as opposed to multi-byte characters in arguments and input files).

LC_MESSAGES
Determine the locale that should be used to affect the format and contents of diagnostic messages written to stan-
dard error.

NLSPATH
Determine the location of message catalogs for the processing of LC_MESSAGES .

ASYNCHRONOUS EVENTS
Default.

STDOUT
Not used.

STDERR
The standard error shall be used only for diagnostic messages.

OUTPUT FILES
The SCCS files shall be files of unspecified format. During processing of a file, a temporary x-file, as described in
admin, may be created and deleted; a locking z-file, as described in get, may be created and deleted.

EXTENDED DESCRIPTION
None.

EXIT STATUS
The following exit values shall be returned:

0 Successful completion.

>0 An error occurred.

CONSEQUENCES OF ERRORS
Default.

The following sections are informative.

APPLICATION USAGE
None.

EXAMPLES
None.

RATIONALE
None.

FUTURE DIRECTIONS
None.