cdc(1)cdc(1)NAMEcdc - change the delta commentary of an SCCS delta
SID [mrlist]] [comment]] files
The command changes the for the SID specified by the option, of each
named SCCS file.
is defined to be the Modification Request (MR) and comment information
normally specified via the delta(1) command and options).
If a directory is named, behaves as if each file in the directory were
specified as a named file, except that non-SCCS files (last component
of the path name does not begin with and unreadable files are silently
ignored. If a name of is given, the standard input is read (see each
line of the standard input is taken to be the name of an SCCS file to
Arguments to which can appear in any order, consist of option arguments
and file names.
All of the described option arguments apply independently to each named
Used to specify the
SCCS IDentification (SID) string of a delta for
which the delta commentary is to be changed.
If the SCCS file has the option set (see admin(1)), a
list of MR numbers to be added and/or deleted in
the delta commentary of the SID specified by the
option may be supplied. A null MR list has no
MR entries are added to the list of MRs in the
same manner as that of delta(1). To delete an
MR, precede the MR number with the character (see
If the MR to be deleted is currently in the list
of MRs, it is removed and changed into a "com‐
ment" line. A list of all deleted MRs is placed
in the comment section of the delta commentary
and preceded by a comment line stating that they
If is not used and the standard input is a termi‐
nal, the prompt is issued on the standard output
before the standard input is read; if the stan‐
dard input is not a terminal, no prompt is
issued. The prompt always precedes the prompt
MRs in a list are separated by blanks and/or tab
characters. An unescaped new-line character ter‐
minates the MRs list.
Note that if the option has a value (see
admin(1)), it is treated as the name of a program
(or shell procedure) that validates the correct‐
ness of the MR numbers. If a non-zero exit sta‐
tus is returned from the MR number validation
program, terminates and the delta commentary
Arbitrary text used to replace the
comment or comments already existing for the
delta specified by the option. Previous comments
are kept and preceded by a comment line stating
that they were changed. A null comment has no
If is not specified and the standard input is a
terminal, the prompt is issued on the standard
output before standard input is read; if standard
input is not a terminal, no prompt is issued. An
unescaped new-line character terminates the com‐
The exact permissions necessary to modify the SCCS file are documented
in get(1). Simply stated, they are either:
· If you made the delta, you can change its delta commentary,
· If you own the file and directory, you can modify the delta
determines the language in which messages are displayed.
International Code Set Support
Single- and multi-byte character code sets are supported.
Use sccshelp(1) for explanations.
Add and to the MR list, remove from the MR list, and add the comment to
delta 1.6 of
The following does the same thing:
If SCCS file names are supplied to the command via the standard input
on the command line), the and options must also be used.
x-file See delta(1).
z-file See delta(1).
SEE ALSOadmin(1), delta(1), get(1), sccshelp(1), prs(1), sccsfile(4), rcs‐
file(4), acl(5), rcsintro(5).