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RCS(1) Programmer's Manual RCS(1)
NAME
rcs - change RCS file attributes
SYNOPSIS
rcs [ _✓o_✓p_✓t_✓i_✓o_✓n_✓s ] _✓f_✓i_✓l_✓e ...
DESCRIPTION
rcs creates new RCS files or changes attributes of existing
ones. An RCS file contains multiple revisions of text, an
access list, a change log, descriptive text, and some con-
trol attributes. For rcs to work, the caller's login name
must be on the access list, except if the access list is
empty, the caller is the owner of the file or the superuser,
or the -i option is present.
File names ending in ,v denote RCS files; all others denote
working files. If a working file is given, rcs tries to
find the corresponding RCS file first in an RCS subdirectory
and then in the working file's directory, as explained in
co(1).
OPTIONS
-i Create and initialize a new RCS file, but do not depo-
sit any revision. If the RCS file has no path prefix,
try to place it first into the subdirectory ./RCS, and
then into the current directory. If the RCS file
already exists, print an error message.
-a_✓l_✓o_✓g_✓i_✓n_✓s
Append the login names appearing in the comma-separated
list _✓l_✓o_✓g_✓i_✓n_✓s to the access list of the RCS file.
-A_✓o_✓l_✓d_✓f_✓i_✓l_✓e
Append the access list of _✓o_✓l_✓d_✓f_✓i_✓l_✓e to the access list of
the RCS file.
-e[_✓l_✓o_✓g_✓i_✓n_✓s]
Erase the login names appearing in the comma-separated
list _✓l_✓o_✓g_✓i_✓n_✓s from the access list of the RCS file. If
_✓l_✓o_✓g_✓i_✓n_✓s is omitted, erase the entire access list.
-b[_✓r_✓e_✓v]
Set the default branch to _✓r_✓e_✓v. If _✓r_✓e_✓v is omitted, the
default branch is reset to the (dynamically) highest
branch on the trunk.
-c_✓s_✓t_✓r_✓i_✓n_✓g
sets the comment leader to _✓s_✓t_✓r_✓i_✓n_✓g. The comment leader
is printed before every log message line generated by
the keyword $Log$ during checkout (see co(1)). This is
useful for programming languages without multi-line
comments. An initial ci , or an rcs -i without -c,
Printed 1/29/91 1990/12/04 1
RCS(1) Programmer's Manual RCS(1)
guesses the comment leader from the suffix of the work-
ing file.
-k_✓s_✓u_✓b_✓s_✓t
Set the default keyword substitution to _✓s_✓u_✓b_✓s_✓t. The
effect of keyword substitution is described in co(1).
Giving an explicit -k option to co, rcsdiff, and
rcsmerge overrides this default. Beware rcs -kv,
because -kv is incompatible with co -l. Use rcs -kkv
to restore the normal default keyword substitution.
-l[_✓r_✓e_✓v]
Lock the revision with number _✓r_✓e_✓v. If a branch is
given, lock the latest revision on that branch. If _✓r_✓e_✓v
is omitted, lock the latest revision on the default
branch. Locking prevents overlapping changes. A lock
is removed with ci or rcs -u (see below).
-u[_✓r_✓e_✓v]
Unlock the revision with number _✓r_✓e_✓v. If a branch is
given, unlock the latest revision on that branch. If
_✓r_✓e_✓v is omitted, remove the latest lock held by the
caller. Normally, only the locker of a revision may
unlock it. Somebody else unlocking a revision breaks
the lock. This causes a mail message to be sent to the
original locker. The message contains a commentary
solicited from the breaker. The commentary is ter-
minated by end-of-file or by a line containing . by
itself.
-L Set locking to _✓s_✓t_✓r_✓i_✓c_✓t. Strict locking means that the
owner of an RCS file is not exempt from locking for
checkin. This option should be used for files that are
shared.
-U Set locking to non-strict. Non-strict locking means
that the owner of a file need not lock a revision for
checkin. This option should _✓n_✓o_✓t be used for files that
are shared. Whether default locking is strict is
determined by your system administrator, but it is nor-
mally strict.
-n_✓n_✓a_✓m_✓e[:_✓r_✓e_✓v]
Associate the symbolic name _✓n_✓a_✓m_✓e with the branch or
revision _✓r_✓e_✓v. Print an error message if _✓n_✓a_✓m_✓e is
already associated with another number. If _✓r_✓e_✓v is
omitted, the symbolic name is deleted.
-N_✓n_✓a_✓m_✓e[:_✓r_✓e_✓v]
Act like -n, except override any previous assignment of
_✓n_✓a_✓m_✓e.
Printed 1/29/91 1990/12/04 2
RCS(1) Programmer's Manual RCS(1)
-o_✓r_✓a_✓n_✓g_✓e
deletes ("outdates") the revisions given by _✓r_✓a_✓n_✓g_✓e. A
range consisting of a single revision number means that
revision. A range consisting of a branch number means
the latest revision on that branch. A range of the
form _✓r_✓e_✓v_✓1-_✓r_✓e_✓v_✓2 means revisions _✓r_✓e_✓v_✓1 to _✓r_✓e_✓v_✓2 on the same
branch, -_✓r_✓e_✓v means from the beginning of the branch
containing _✓r_✓e_✓v up to and including _✓r_✓e_✓v, and _✓r_✓e_✓v- means
from revision _✓r_✓e_✓v to the end of the branch containing
_✓r_✓e_✓v. None of the outdated revisions may have branches
or locks.
-q Run quietly; do not print diagnostics.
-I Run interactively, even if the standard input is not a
terminal.
-s_✓s_✓t_✓a_✓t_✓e[:_✓r_✓e_✓v]
Set the state attribute of the revision _✓r_✓e_✓v to _✓s_✓t_✓a_✓t_✓e .
If _✓r_✓e_✓v is a branch number, assume the latest revision
on that branch. If _✓r_✓e_✓v is omitted, assume the latest
revision on the default branch. Any identifier is
acceptable for _✓s_✓t_✓a_✓t_✓e. A useful set of states is Exp
(for experimental), Stab (for stable), and Rel (for
released). By default, ci(1) sets the state of a revi-
sion to Exp.
-t[_✓f_✓i_✓l_✓e]
Write descriptive text from the contents of the named
_✓f_✓i_✓l_✓e into the RCS file, deleting the existing text.
The _✓f_✓i_✓l_✓e name may not begin with -. If _✓f_✓i_✓l_✓e is omit-
ted, obtain the text from standard input, terminated by
end-of-file or by a line containing . by itself.
Prompt for the text if interaction is possible; see -I.
With -i, descriptive text is obtained even if -t is not
given.
-t-_✓s_✓t_✓r_✓i_✓n_✓g
Write descriptive text from the _✓s_✓t_✓r_✓i_✓n_✓g into the RCS
file, deleting the existing text.
-V_✓n Emulate RCS version _✓n. See co(1) for details.
COMPATIBILITY
The -b_✓r_✓e_✓v option generates an RCS file that cannot be parsed
by RCS version 3 or earlier.
The -k_✓s_✓u_✓b_✓s_✓t options (except -kkv) generate an RCS file that
cannot be parsed by RCS version 4 or earlier.
Use rcs -V_✓n to make an RCS file acceptable to RCS version _✓n
by discarding information that would confuse version _✓n.
Printed 1/29/91 1990/12/04 3
RCS(1) Programmer's Manual RCS(1)
DIAGNOSTICS
The RCS file name and the revisions outdated are written to
the diagnostic output. The exit status is zero if and only
if all operations were successful.
FILES
rcs accesses files much as ci(1) does, except that it does
not need to access the working file or its directory.
IDENTIFICATION
Author: Walter F. Ti