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Annotation of 43BSDTahoe/man/man1/ex.1, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1980 Regents of the University of California.
        !             2: .\" All rights reserved.  The Berkeley software License Agreement
        !             3: .\" specifies the terms and conditions for redistribution.
        !             4: .\"
        !             5: .\"    @(#)ex.1        6.4 (Berkeley) 6/5/86
        !             6: .\"
        !             7: .TH EX 1 "June 5, 1986"
        !             8: .UC 4
        !             9: .SH NAME
        !            10: ex, edit \- text editor
        !            11: .SH SYNOPSIS
        !            12: .B ex
        !            13: [
        !            14: .B \-
        !            15: ] [
        !            16: .B \-v
        !            17: ] [
        !            18: .B \-t 
        !            19: tag
        !            20: ] [
        !            21: .B \-r
        !            22: ] [
        !            23: \fB+\fIcommand\fR
        !            24: ] [
        !            25: .B \-l
        !            26: ]
        !            27: name ...
        !            28: .br
        !            29: .B edit
        !            30: [
        !            31: ex options
        !            32: ]
        !            33: .SH DESCRIPTION
        !            34: .I Ex
        !            35: is the root of a family of editors:
        !            36: .I edit,
        !            37: .I ex
        !            38: and
        !            39: .I vi.
        !            40: .I Ex
        !            41: is a superset of
        !            42: .I ed,
        !            43: with the most notable extension being a display editing facility.
        !            44: Display based editing is the focus of
        !            45: .I vi.
        !            46: .PP
        !            47: If you have not used
        !            48: .I ed,
        !            49: or are a casual user, you will find that the editor
        !            50: .I edit
        !            51: is convenient for you.
        !            52: It avoids some of the complexities of
        !            53: .I ex
        !            54: used mostly by systems programmers and persons very familiar with
        !            55: .I ed.
        !            56: .PP
        !            57: If you have a \s-2CRT\s0 terminal, you may wish to use a display
        !            58: based editor; in this case
        !            59: see
        !            60: .IR vi (1),
        !            61: which is a command which focuses on the display editing portion of
        !            62: .I ex.
        !            63: .SH DOCUMENTATION
        !            64: The document
        !            65: .I "Edit: A tutorial"
        !            66: (USD:14) provides a comprehensive introduction to
        !            67: .I edit
        !            68: assuming no previous knowledge of computers or the \s-2UNIX\s0 system.
        !            69: .PP
        !            70: The
        !            71: .I "Ex Reference Manual \- Version 3.7"
        !            72: (USD:16)
        !            73: is a comprehensive and complete manual for the command mode features
        !            74: of
        !            75: .I ex,
        !            76: but you cannot learn to use the editor by reading it.
        !            77: For an introduction to
        !            78: more advanced forms of editing using the command mode of
        !            79: .I ex
        !            80: see the editing documents written by Brian Kernighan for the editor
        !            81: .I ed;
        !            82: the material in the introductory and advanced documents works also with
        !            83: .I ex.
        !            84: .PP
        !            85: .I "An Introduction to Display Editing with Vi"
        !            86: (USD:15)
        !            87: introduces the display editor
        !            88: .I vi
        !            89: and provides reference material on
        !            90: .I vi.
        !            91: In addition, the
        !            92: .I "Vi Quick Reference"
        !            93: card summarizes the commands
        !            94: of
        !            95: .I vi
        !            96: in a useful, functional way, and is useful with the
        !            97: .I Introduction.
        !            98: .SH FILES
        !            99: .DT
        !           100: /usr/lib/ex?.?strings          error messages
        !           101: .br
        !           102: /usr/lib/ex?.?recover          recover command
        !           103: .br
        !           104: /usr/lib/ex?.?preserve         preserve command
        !           105: .br
        !           106: /etc/termcap                   describes capabilities of terminals
        !           107: .br
        !           108: ~/.exrc                                editor startup file
        !           109: .br
        !           110: /tmp/Ex\fInnnnn\fR                     editor temporary
        !           111: .br
        !           112: /tmp/Rx\fInnnnn\fR                     named buffer temporary
        !           113: .br
        !           114: /usr/preserve                  preservation directory
        !           115: .SH SEE ALSO
        !           116: awk(1), ed(1), grep(1), sed(1), grep(1), vi(1), termcap(5), environ(7)
        !           117: .SH AUTHOR
        !           118: Originally written by William Joy
        !           119: .br
        !           120: Mark Horton has maintained the editor since version 2.7, adding macros,
        !           121: support for many unusual terminals,
        !           122: and other features such as word abbreviation mode.
        !           123: .SH BUGS
        !           124: The
        !           125: .I undo
        !           126: command causes all marks to be lost on lines changed and then restored
        !           127: if the marked lines were changed.
        !           128: .PP
        !           129: .I Undo
        !           130: never clears the buffer modified condition.
        !           131: .PP
        !           132: The
        !           133: .I z
        !           134: command prints a number of logical rather than physical lines.
        !           135: More than a screen full of output may result if long lines are present.
        !           136: .PP
        !           137: File input/output errors don't print a name if the command line \fB`\-'\fR
        !           138: option is used.
        !           139: .PP
        !           140: There is no easy way to do a single scan ignoring case.
        !           141: .PP
        !           142: The editor does not warn if text is placed in named buffers and not used
        !           143: before exiting the editor.
        !           144: .PP
        !           145: Null characters are discarded in input files, and cannot appear in resultant
        !           146: files.

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