CO(1) OpenBSD Reference Manual CO(1)NAMEco - check out RCS revisions
SYNOPSISco [-TV] [-ddate] [-f[rev]] [-I[rev]] [-kmode] [-l[rev]] [-M[rev]]
[-p[rev]] [-q[rev]] [-r[rev]] [-sstate] [-u[rev]] [-w[user]]
[-xsuffixes] [-ztz] file ...
DESCRIPTION
The co program is used to check out revisions from RCS files.
When a file is checked out, a copy is taken from the RCS repository,
minus its RCS information, and placed in the current working directory.
Files may be checked out as the most recent revision or according to a
specific revision, using the -r option.
Files are checked out in one of two possible modes: unlocked (the
default) or locked (using the -l option). In unlocked mode, any user may
check out the file for reading. If changes are to be made to a file
though, it will have to be locked using the -l option. During this time,
no other users may check out the file whilst it is locked.
co also supports keyword substitution - see the rcs(1) man page for more
information.
The following options are supported:
-ddate Retrieve revision as of the latest revision no later than date.
-f[rev]
Force the overwriting of the working file.
-I[rev]
Interactive mode.
-kmode Specify the keyword substitution mode.
-l[rev]
The same as -r, but also locks the revision.
-M[rev]
Set the modification time of the file to the date of the
retrieved revision.
-p[rev]
Print the latest revision no later than rev to standard output.
-q[rev]
Be quiet about reporting.
-r[rev]
Retrieve the latest revision no later than rev.
-sstate
Retrieve revision of the specified state only.
-T Preserve the modification time of RCS files.
-u[rev]
The same as -r, but also unlocks the retrieved revision if it was
locked.
-V Print RCS's version number.
-w[user]
Retrieve the latest revision which was checked in by the
specified user. If the user argument is omitted, the login of
the user issuing the command is assumed.
-xsuffixes
Specifies the suffixes for RCS files. Suffixes should be
separated by the `/' character.
-ztz Specify the date output format in keyword substitution, and the
default time zone for date used in the -d option.
ENVIRONMENT
RCSINIT If set, this variable should contain a list of space-delimited
options that are prepended to the argument list.
EXIT STATUS
The co utility exits 0 on success, and >0 if an error occurs.
EXAMPLES
Retrieve the latest revision of file foo.c and lock it for further
editing:
$ co-l foo.c
Retrieve revision 1.5 of file foo.c:
$ co-r1.5 foo.c
SEE ALSOci(1), ident(1), rcs(1), rcsclean(1), rcsdiff(1), rcsmerge(1), rlog(1)OpenBSD 4.9 September 3, 2010 OpenBSD 4.9
