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RCS(1) USER COMMANDS 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.
Pathnames matching an RCS suffix denote RCS files; all oth-
ers denote working files. Names are paired as explained in
ci(1). Revision numbers use the syntax described in ci(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,
guesses the comment leader from the suffix of the work-
ing file.
GNU Last change: 1991/09/26 1
RCS(1) USER COMMANDS RCS(1)
-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.
-m_r_e_v:_m_s_g
Replace revision _r_e_v's log message with _m_s_g.
-n_n_a_m_e[:[_r_e_v]]
Associate the symbolic name _n_a_m_e with the branch or
revision _r_e_v. Delete the symbolic name if both : and
_r_e_v are omitted; otherwise, print an error message if
_n_a_m_e is already associated with another number. If _r_e_v
is symbolic, it is expanded before association. A _r_e_v
consisting of a branch number followed by a . stands
for the current latest revision in the branch. A :
with an empty _r_e_v stands for the current latest revi-
sion on the default branch, normally the trunk. For
GNU Last change: 1991/09/26 2
RCS(1) USER COMMANDS RCS(1)
example, rcs -n_n_a_m_e: RCS/#? associates _n_a_m_e with the
current latest revision of all the named RCS files;
this contrasts with rcs -n_n_a_m_e:$ RCS/#? which associ-
ates _n_a_m_e with the revision numbers extracted from key-
word strings in the corresponding working files.
-N_n_a_m_e[:[_r_e_v]]
Act like -n, except override any previous assignment of
_n_a_m_e.
-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 pathname may not begin with -. If _f_i_l_e is
omitted, obtain the text from standard input, ter-
minated by end-of-file or by a line containing . by
itself. Prompt for the text if interaction is possi-
ble; 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.
GNU Last change: 1991/09/26 3
RCS(1) USER COMMANDS RCS(1)
-x_s_u_f_f_i_x_e_s
Use _s_u_f_f_i_x_e_s to characterize RCS files. See ci(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.
RCS version 5.5 and earlier does not support the -x option,
and requires a ,v suffix on an RCS pathname.
FILES
rcs accesses files much as ci(1) does, except that it uses
the effective user for all accesses, it does not write the
working file or its directory, and it does not even read the
working file unless a revision number of $ is specified.
ENVIRONMENT
RCSINIT
options prepended to the argument list, separated by
spaces. See ci(1) for details.
DIAGNOSTICS
The RCS pathname and the revisions outdated are written to
the diagnostic output. The exit status is zero if and only
if all operations were successful.
IDENTIFICATION
Author: Walter F. Tichy.
Revision Number: 5.6; Release Date: 1991/09/26.
Copyright c 1982, 1988, 1989 by Walter F. Tichy.
Copyright c 1990, 1991 by Paul Eggert.
SEE ALSO
co(1), ci(1), ident(1), rcsdiff(1), rcsintro(1),
rcsmerge(1), rlog(1), rcsfile(5)
Walter F. Tichy, RCS--A System for Version Control,
_S_o_f_t_w_a_r_e--_P_r_a_c_t_i_c_e & _E_x_p_e_r_i_e_n_c_e 15, 7 (July 1985), 637-654.
BUGS
The separator for revision ranges in the -o option used to
be - instead of :, but this leads to confusion when symbolic
names contain -. For backwards compatibility rcs -o still
supports the old - separator, but it warns about this
obsolete use.
GNU Last change: 1991/09/26 4
RCS(1) USER COMMANDS RCS(1)
Symbolic names need not refer to existing revisions or
branches. For example, the -o option does not remove sym-
bolic names for the outdated revisions; you must use -n to
remove the names.
GNU Last change: 1991/09/26 5