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- RCSDIFF(1) Programmer's Manual RCSDIFF(1)
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- NAME
- rcsdiff - compare RCS revisions
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- SYNOPSIS
- rcsdiff [ -k_✓s_✓u_✓b_✓s_✓t ] [ -q ] [ -r_✓r_✓e_✓v_✓1 [ -r_✓r_✓e_✓v_✓2 ] ] [ -V_✓n ] [
- _✓d_✓i_✓f_✓f _✓o_✓p_✓t_✓i_✓o_✓n_✓s ] _✓f_✓i_✓l_✓e ...
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- DESCRIPTION
- rcsdiff runs diff(1) to compare two revisions of each RCS
- file given. A file name ending in ,v is an RCS file name,
- otherwise a working file name. rcsdiff derives the working
- file name from the RCS file name and vice versa, as
- explained in co(1). Pairs consisting of both an RCS and a
- working file name may also be specified.
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- The option -q suppresses diagnostic output. Zero, one, or
- two revisions may be specified with -r. The option -k_✓s_✓u_✓b_✓s_✓t
- affects keyword substitution when extracting revisions, as
- described in co(1); for example, -kk -r1.1 -r1.2 ignores
- differences in keyword values when comparing revisions 1.1
- and 1.2. To avoid excess output from locker name substitu-
- tion, -kkvl is assumed if (1) at most one revision option is
- given, (2) no -k option is given, (3) -kkv is the default
- keyword substitution, and (4) the working file's mode would
- be produced by co -l. See co(1) for details about -V. Oth-
- erwise, all options of diff(1) that apply to regular files
- are accepted, with the same meaning as for diff.
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- If both _✓r_✓e_✓v_✓1 and _✓r_✓e_✓v_✓2 are omitted, rcsdiff compares the
- latest revision on the default branch (by default the trunk)
- with the contents of the corresponding working file. This
- is useful for determining what you changed since the last
- checkin.
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- If _✓r_✓e_✓v_✓1 is given, but _✓r_✓e_✓v_✓2 is omitted, rcsdiff compares
- revision _✓r_✓e_✓v_✓1 of the RCS file with the contents of the
- corresponding working file.
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- If both _✓r_✓e_✓v_✓1 and _✓r_✓e_✓v_✓2 are given, rcsdiff compares revisions
- _✓r_✓e_✓v_✓1 and _✓r_✓e_✓v_✓2 of the RCS file.
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- Both _✓r_✓e_✓v_✓1 and _✓r_✓e_✓v_✓2 may be given numerically or symbolically.
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- EXAMPLE
- The command
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- rcsdiff f.c
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- compares the latest revision on the default branch of the
- RCS file RCS/f.c,v to the contents of the working file f.c.
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- Printed 1/29/91 1990/09/26 1
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- RCSDIFF(1) Programmer's Manual RCSDIFF(1)
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- DIAGNOSTICS
- Exit status is 0 for no differences during any comparison, 1
- for some differences, 2 for trouble.
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- IDENTIFICATION
- Author: Walter F. Tichy.
- Revision Number: 5.2; Release Date: 1990/09/26.
- Copyright c 1982, 1988, 1989 by Walter F. Tichy.
- Copyright c 1990 by Paul Eggert.
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- SEE ALSO
- ci(1), co(1), diff(1), ident(1), rcs(1), rcsintro(1),
- rcsmerge(1), rlog(1)
- 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.
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- Printed 1/29/91 1990/09/26 2
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