sccs-delta(1) User Commands sccs-delta(1)NAME
sccs-delta, delta - make a delta to an SCCS file
SYNOPSIS
/usr/ccs/bin/delta [-dnps] [-g sid-list | -gsid-list]
[-m mr-list | -mmr-list] [-r sid | -rsid]
[-y [comment]] s.filename...
/usr/xpg4/bin/delta [-dnps] [-g sid-list | -gsid-list]
[-m mr-list | -mmr-list] [-r sid | -rsid]
[-y [comment]] s.filename...
DESCRIPTION
The delta utility checks in a record of the line-by-line differences
made to a checked-out version of a file under SCCS control. These
changes are taken from the writable working copy that was retrieved
using the SCCS get command (see sccs-get(1)). This working copy does
not have the `s.' prefix, and is also referred to as a g-file.
If a directory name is used in place of the s.filename argument, the
delta command applies to all s.files in that directory. Unreadable
s.files produce an error; processing continues with the next file (if
any). The use of `−' as the s.filename argument indicates that the
names of files are to be read from the standard input, one s.file per
line (requires -y, and in some cases, -m).
delta may issue prompts on the standard output depending upon the
options specified and the flags that are set in the s.file (see sccs-
admin(1), and the -m and -y options below, for details).
/usr/xpg4/bin/delta
The SID of the delta is not echoed to stdout.
OPTIONS
The following options are supported:
-d Use command diff(1) instead of bdiff(1).
Returns exit status 2 if s.filename argu‐
ment is not specified.
-n Retain the edited g-file, which is normally
removed at the completion of processing.
-p Display line-by-line differences (in
diff(1) format) on the standard output.
-s Silent. Do not display warning or confir‐
mation messages. Do not suppress error
messages (which are written to standard
error).
-g sid-list | -gsid-list Specify a list of deltas to omit when the
file is accessed at the SCCS version ID
(SID) created by this delta. sid-list is a
comma-separated list of SIDs. To specify a
range of deltas, use a `−' separator
instead of a comma, between two SIDs in the
list.
-m mr-list | -mmr-list If the SCCS file has the v flag set (see
sccs-admin(1)), you must supply one or more
Modification Request (MR) numbers for the
new delta. When specifying more than one MR
number on the command line, mr-list takes
the form of a quoted, space-separated list.
If -m is not used and the standard input is
a terminal, delta prompts with MRs? for the
list (before issuing the comments? prompt).
If the v flag in the s.file has a value, it
is taken to be the name of a program to
validate the MR numbers. If that validation
program returns a non-zero exit status,
delta terminates without checking in the
changes.
-r sid | -rsid When two or more versions are checked out,
specify the version to check in. This SID
value can be either the SID specified on
the get command line, or the SID of the new
version to be checked in as reported by
get. A diagnostic results if the specified
SID is ambiguous, or if one is required but
not supplied.
-y[comment] Supply a comment for the delta table (ver‐
sion log). A null comment is accepted, and
produces an empty commentary in the log. If
-y is not specified and the standard input
is a terminal, delta prompts with `com‐
ments?'. An unescaped NEWLINE terminates
the comment.
ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables
that affect the execution of delta: LANG, LC_ALL, LC_COLLATE, LC_CTYPE,
LC_MESSAGES, and NLSPATH.
EXIT STATUS
The following exit values are returned:
0 Successful completion.
1 An error occurred and the -d option had not been specified.
2 An error occurred, the -d option had been specified, and the
s.filename argument was not specified.
FILES
d.file temporary file of differences
p.file lock file for a checked-out version
q.file temporary file
s.file SCCS history file
x.file temporary copy of the s.file
z.file temporary file
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
/usr/ccs/bin/delta
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│Availability │developer/build/make │
└─────────────────────────────┴─────────────────────────────┘
/usr/xpg4/bin/delta
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│Availability │developer/xopen/xcu4 │
├─────────────────────────────┼─────────────────────────────┤
│Interface Stability │Committed │
├─────────────────────────────┼─────────────────────────────┤
│Standard │See standards(5). │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSObdiff(1), diff(1), sccs-admin(1), sccs-cdc(1), sccs-get(1), sccs-
help(1), sccs-prs(1), sccs-prt(1), sccs-rmdel(1), sccs-sccsdiff(1),
sccs-unget(1), sccs(1), what(1), sccsfile(4), attributes(5), envi‐
ron(5), standards(5)DIAGNOSTICS
Use the SCCS help command for explanations (see sccs-help(1)).
WARNINGS
Lines beginning with an ASCII SOH character (binary 001) cannot be
placed in the SCCS file unless the SOH is escaped. This character has
special meaning to SCCS (see sccsfile(4)) and produces an error.
SunOS 5.11 1 Nov 1999 sccs-delta(1)
