10.2. Important Command-Line Arguments
elvis is not typically installed as vi,
though it can be. If invoked as ex, it
operates as a line editor and allows the
Q command from vi mode to switch
into ex mode.
elvis has a number of command-line options.
The most useful are described here:
- -a
Load each file named on the command line into a separate window.
- -r
Perform recovery after a crash.
- -R
Start editing each file in read-only mode.
- -i
Start editing in input mode instead of in command mode.
This may be easier for novice users.
- -s
Set the safer option for the whole session, not
just execution of .exrc files.
This adds a certain amount of security, but should not
necessarily be trusted blindly.
In elvis 2.1, this option is renamed
-S, and
(following the POSIX standard)
-s
provides ex scripting.
- -f filename
Use filename for the session file
instead of the default name. Session files are discussed below.
- -G gui
Use the given interface. The default is the termcap
interface. Other choices include x11,
win32,
curses,
open, and
quit.
Not all the interfaces may be compiled into your version
of elvis.
- -c command
Execute command upon start-up. This is the POSIX
version of the historical +command
syntax.
(The old syntax is also accepted.)
- -t tag
Start editing at the specified tag.
- -V
Output more verbose status information. Useful for diagnosing
problems with initialization files.
- -?
Print a summary of the possible options.
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