Category : Word Processors
Archive   : ELVIB184.ZIP
Filename : ELVIS.DOC

Output of file : ELVIS.DOC contained in archive : ELVIB184.ZIP

elvis, ex, vi, view, input - The editor

elvis [flags] [+cmd] [files...]

Elvis is a text editor which emulates vi/ex.

On systems which pass the program name as an argument,
such as Unix and Minix, you may also install elvis under
the names "ex", "vi", "view", and "input". These extra
names would normally be links to elvis; see the "ln" shell

When elvis is invoked as "vi", it behaves exactly as
though it was invoked as "elvis". However, if you invoke
elvis as "view", then the readonly option is set as though
you had given it the "-R" flag. If you invoke elvis as
"ex", then elvis will start up in the colon command mode
instead of the visual command mode, as though you had
given it the "-e" flag. If you invoke elvis as "input" or
"edit", then elvis will start up in input mode, as though
the "-i" flag was given.

-r To the real vi, this flag means that a previous
edit should be recovered. Elvis, though, has a
separate program, called elvrec(1), for recovering
files. When you invoke elvis with -r, elvis will
tell you to run elvrec.

-R This sets the "readonly" option, so you won't acci-
dentally overwrite a file.

-s This set the "safer" option, which disables many
potentially harmful commands. It has not been rig-
orously proven to be absolutely secure, however.

-t tag This causes elvis to start editing at the given

-m [file]
Elvis will search through file for something that
looks like an error message from a compiler. It
will then begin editing the source file that caused
the error, with the cursor sitting on the line
where the error was detected. If you don't explic-
itly name a file, then "errlist" is assumed.

-e Elvis will start up in colon command mode.

-v Elvis will start up in visual command mode.



-i Elvis will start up in input mode.

-w winsize
Sets the "window" option's value to winsize.

+command or -c command
If you use the +command parameter, then after the
first file is loaded command is executed as an EX
command. A typical example would be "elvis +237
foo", which would cause elvis to start editing foo
and then move directly to line 237. The "-c com-
mand" variant was added for UNIX SysV compatibil-

During editing, elvis stores text in a temporary
file. For UNIX, this file will usually be stored
in the /tmp directory, and the first three charac-
ters will be "elv". For other systems, the tempo-
rary files may be stored someplace else; see the
version-specific section of the documentation.

tags This is the database used by the :tags command and
the -t option. It is usually created by the
ctags(1) program.

.exrc or elvis.rc
On UNIX-like systems, a file called ".exrc" in your
home directory is executed as a series of ex com-
mands. A file by the same name may be executed in
the current directory, too. On non-UNIX systems,
".exrc" is usually an invalid file name; there, the
initialization file is called "elvis.rc" instead.

TERM This is the name of your terminal's entry in the
termcap or terminfo database. The list of legal
values varies from one system to another.

Optional. If your system uses termcap, and the
TERMCAP variable is unset, then
will read your terminal's definition from
/etc/termcap. If TERMCAP is set to the full path-
name of a file (starting with a '/') then will
look in the named file instead of /etc/termcap. If
TERMCAP is set to a value which doesn't start with
a '/', then its value is assumed to be the full
termcap entry for your terminal.

Optional. If your system uses terminfo, and the
TERMINFO variable is unset, then



will read your terminal's definition from the
database in the /usr/lib/terminfo database. If
TERMINFO is set, then its value is used as the
database name to use instead of /usr/lib/terminfo.

Optional. These variables, if set, will override
the screen size values given in the term-
cap/terminfo for your terminal. On windowing sys-
tems such as X, has other ways of determining the
screen size, so you should probably leave these
variables unset.

EXINIT Optional. This variable can hold EX commands which
will be executed instead of the .exrc file in your
home directory.

SHELL Optional. The SHELL variable sets the default
value for the "shell" option, which determines
which shell program is used to perform wildcard
expansion in file names, and also which is used to
execute filters or external programs. The default
value on UNIX systems is "/bin/sh".

Note: Under MS-DOS, this variable is called COMSPEC
instead of SHELL.

HOME This variable should be set to the name of your
home directory.
looks for its initialization file there; if HOME
is unset then the initialization file will not be

Optional. This variable is used by the "ref" pro-
gram, which is invoked by the shift-K, control-],
and :tag commands. See "ref" for more information.

These optional environment variables are only used
in non-UNIX versions of . They allow you to supply
a directory name to be used for storing temporary

ctags(1), ref(1), elvprsv(1), elvrec(1)

Elvis - A Clone of Vi/Ex, the complete elvis documenta-

There is no LISP support. Certain other features are
missing, too.



Auto-indent mode is not quite compatible with the real vi.
Among other things, 0^D and ^^D don't do what you might

Long lines are displayed differently. The real vi wraps
long lines onto multiple rows of the screen, but elvis
scrolls sideways.

Steve Kirkendall
[email protected]

Many other people have worked to port elvis to various
operating systems. To see who deserves credit, run the
:version command from within elvis, or look in the system-
specific section of the complete documentation.


  3 Responses to “Category : Word Processors
Archive   : ELVIB184.ZIP
Filename : ELVIS.DOC

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