This is the command rmdelposix that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
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 POSIX.1‐2008, 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 POSIX.1‐2008, Section 8.2,
Internationalization Variables for the precedence of internationalization
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 standard 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.
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