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 argu-
ment, 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 argument 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 confirmation mes-
sages. 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 specify-
ing 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 termi-
nal, 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 ter-
minates 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 (version log). A
null comment is accepted, and produces an empty com-
mentary 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 attri-
butes:
/usr/ccs/bin/delta
____________________________________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|_____________________________|_____________________________|
| Availability | SUNWsprot |
|_____________________________|_____________________________|
/usr/xpg4/bin/delta
____________________________________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|_____________________________|_____________________________|
| Availability | SUNWxcu4t |
|_____________________________|_____________________________|
| Interface Stability | Standard |
|_____________________________|_____________________________|
SEE ALSO
bdiff(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), environ(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.
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