101 lines
3.9 KiB
Groff
101 lines
3.9 KiB
Groff
.TH ELVIS 1
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.SH NAME
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elvis, ex, vi \- The editor
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.SH SYNOPSIS
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\fBelvis\fP [\fIflags\fP] [\fB+\fP\fIcmd\fP] [\fIfiles\fP...]
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.SH DESCRIPTION
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\fBElvis\fP is a text editor which emulates \fBvi\fP/\fBex\fP.
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.PP
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On systems which pass the program name as an argument, such as Unix and Minix,
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you may also install \fBelvis\fP under the names "ex", "vi", "view", and "input".
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These extra names would normally be links to elvis;
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see the "ln" shell command.
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.PP
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When \fBelvis\fP is invoked as "vi",
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it behaves exactly as though it was invoked as "elvis".
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However, if you invoke \fBelvis\fP as "view",
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then the readonly option is set as though you had given it the "-R" flag.
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If you invoke \fBelvis\fP as "ex",
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then \fBelvis\fP will start up in the colon command mode
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instead of the visual command mode,
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as though you had given it the "-e" flag.
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If you invoke \fBelvis\fP as "input" or "edit",
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then \fBelvis\fP will start up in input mode,
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as though the "-i" flag was given.
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.SH OPTIONS
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.IP \fB-r\fP
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To the real vi, this flag means that a previous edit should be recovered.
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\fBElvis\fP, though, has a separate program, called \fIelvrec\fP(1), for recovering
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files.
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When you invoke \fBelvis\fP with -r, \fBelvis\fP will tell you to run \fBelvrec\fP.
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.IP \fB-R\fP
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This sets the "readonly" option,
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so you won't accidentally overwrite a file.
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.IP "\fB-t\fP \fItag\fP"
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This causes \fBelvis\fP to start editing at the given tag.
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.IP "\fB-m\fP [\fIfile\fP]"
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\fBElvis\fP will search through \fIfile\fP for something that looks like
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an error message from a compiler.
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It will then begin editing the source file that caused the error,
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with the cursor sitting on the line where the error was detected.
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If you don't explicitly name a \fIfile\fP, then "errlist" is assumed.
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.IP \fB-e\fP
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\fBElvis\fP will start up in colon command mode.
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.IP \fB-v\fP
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\fBElvis\fP will start up in visual command mode.
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.IP \fB-i\fP
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\fBElvis\fP will start up in input mode.
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.IP "\fB-w\fR \fIwinsize\fR"
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Sets the "window" option's value to \fIwinsize\fR.
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.IP "\fB+\fP\fIcommand\fP or \fB-c\fP \fIcommand\fP"
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If you use the +\fIcommand\fP parameter,
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then after the first file is loaded
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\fIcommand\fP is executed as an EX command.
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A typical example would be "elvis +237 foo",
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which would cause \fBelvis\fP to start editing foo and
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then move directly to line 237.
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The "-c \fIcommand\fP" variant was added for UNIX SysV compatibility.
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.SH FILES
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.IP /tmp/elv*
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During editing,
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\fBelvis\fP stores text in a temporary file.
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For UNIX, this file will usually be stored in the /tmp directory,
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and the first three characters will be "elv".
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For other systems, the temporary files may be stored someplace else;
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see the version-specific section of the documentation.
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.IP tags
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This is the database used by the \fB:tags\fP command and the \fB-t\fP option.
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It is usually created by the \fBctags\fP(1) program.
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.IP ".exrc or elvis.rc"
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On UNIX-like systems, a file called ".exrc" in your home directory
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is executed as a series of \fBex\fR commands.
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A file by the same name may be executed in the current directory, too.
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On non-UNIX systems, ".exrc" is usually an invalid file name;
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there, the initialization file is called "elvis.rc" instead.
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.SH "SEE ALSO"
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.BR ctags (1),
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.BR ref (1),
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.BR virec (1),
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.BR elvis (9).
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.PP
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\fIElvis - A Clone of Vi/Ex\fP, the complete \fBelvis\fP documentation.
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.SH BUGS
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There is no LISP support.
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Certain other features are missing, too.
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.PP
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Auto-indent mode is not quite compatible with the real vi.
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Among other things, 0^D and ^^D don't do what you might expect.
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.PP
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Long lines are displayed differently.
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The real vi wraps long lines onto multiple rows of the screen,
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but \fBelvis\fP scrolls sideways.
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.SH AUTHOR
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.nf
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Steve Kirkendall
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kirkenda@cs.pdx.edu
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.fi
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.PP
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Many other people have worked to port \fBelvis\fP to various operating systems.
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To see who deserves credit, run the \fB:version\fP command from within \fBelvis\fP,
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or look in the system-specific section of the complete documentation.
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