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John Wiegley 2001-01-26 06:19:25 +00:00
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commit 219227ead0
6 changed files with 209 additions and 57 deletions
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12
lisp/ChangeLog
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@ -1,3 +1,15 @@
2001-01-25 John Wiegley <johnw@gnu.org>
* eshell/esh-util.el (eshell-ange-ls-uids): Changed use of `alist'
to `repeat' in the :type field.
* pcomplete.el (pcomplete-file-ignore): Changed a :type field to
allow a choice of regexp or nil.
(pcomplete-dir-ignore): same.
* eshell/em-unix.el (eshell/occur): Fixed bug causing `occur' (as
a command) to always fail.
2001-01-25 Gerd Moellmann <gerd@gnu.org>
* iswitchb.el (iswitchb-make-buflist): When nconc'ing lists, don't

8
lisp/eshell/em-unix.el
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@ -1,6 +1,6 @@
;;; em-unix --- UNIX command aliases
;; Copyright (C) 1999, 2000 Free Software Foundation
;; Copyright (C) 1999, 2000, 2001 Free Software Foundation
;; Author: John Wiegley <johnw@gnu.org>
@ -974,9 +974,9 @@ Show wall-clock time elapsed during execution of COMMAND.")
(defun eshell/occur (&rest args)
"Alias \"occur\" to call Emacs `occur' function."
(let ((inhibit-read-only t))
(if args
(error "usage: occur: (REGEXP)")
(occur (car args)))))
(if (> (length args) 2)
(error "usage: occur: (REGEXP &optional NLINES)")
(apply 'occur args))))
;;; Code:

9
lisp/eshell/esh-util.el
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@ -98,10 +98,11 @@ function `string-to-number'."
(defcustom eshell-ange-ls-uids nil
"*List of user/host/id strings, used to determine remote ownership."
:type '(alist :key-type (string :tag "Hostname")
:value-type (alist :tag "User/UID List"
:key-type (string :tag "Username")
:value-type (repeat :tag "UIDs" string)))
:type '(repeat (cons :tag "Host for User/UID map"
(string :tag "Hostname")
(repeat (cons :tag "User/UID List"
(string :tag "Username")
(repeat :tag "UIDs" string)))))
:group 'eshell-util)
;;; Internal Variables:

6
lisp/pcomplete.el
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@ -1,6 +1,6 @@
;;; pcomplete --- programmable completion
;; Copyright (C) 1999, 2000 Free Sofware Foundation
;; Copyright (C) 1999, 2000, 2001 Free Sofware Foundation
;; Author: John Wiegley <johnw@gnu.org>
;; Keywords: processes abbrev
@ -131,12 +131,12 @@
(defcustom pcomplete-file-ignore nil
"*A regexp of filenames to be disregarded during file completion."
:type 'regexp
:type '(choice regexp (const :tag "None" nil))
:group 'pcomplete)
(defcustom pcomplete-dir-ignore nil
"*A regexp of names to be disregarded during directory completion."
:type 'regexp
:type '(choice regexp (const :tag "None" nil))
:group 'pcomplete)
(defcustom pcomplete-ignore-case (memq system-type '(ms-dos windows-nt))

5
man/ChangeLog
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@ -1,3 +1,8 @@
2001-01-25 John Wiegley <johnw@gnu.org>
* eshell.texi: Editing and completion of first chapter (Overview),
and layout of the remaining six.
2001-01-19 Michael Kifer <kifer@cs.sunysb.edu>
* ediff.texi: add credits.

226
man/eshell.texi
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@ -1,6 +1,6 @@
\input texinfo @c -*-texinfo-*-
@c "@(#)$Name: $:$Id: eshell.texi,v 1.6 2000/10/29 16:52:33 eliz Exp $"
@c "@(#)$Name: $:$Id: eshell.texi,v 1.7 2000/12/06 20:02:30 fx Exp $"
@c Documentation for Eshell: The Emacs Shell.
@c Copyright (C) 1999, 2000 Free Software Foundation, Inc.
@ -123,13 +123,19 @@ handling the sort of tasks accomplished by those tools.
@end ifinfo
@menu
* What is Eshell?:: A brief introduction to the Emacs Shell.
* Installation:: For users of Emacs 20 and XEmacs.
* Command basics:: The basics of command usage.
* Bugs and ideas:: Known problems, and future ideas.
* Concept Index::
* Function and Variable Index::
* Key Index::
* What is Eshell?:: A brief introduction to the Emacs Shell.
* Installation:: For users of Emacs 20 and XEmacs.
* Command basics:: The basics of command usage.
* Commands::
* Arguments::
* Input/Output::
* Process control::
* Extension modules::
* Extras and Goodies::
* Bugs and ideas:: Known problems, and future ideas.
* Concept Index::
* Function and Variable Index::
* Key Index::
@end menu
@node What is Eshell?, Installation, Top, Top
@ -138,7 +144,7 @@ handling the sort of tasks accomplished by those tools.
@cindex Eshell, what it is
Eshell is a @dfn{command shell} written in Emacs Lisp. Everything it
does it uses Emacs' facilities to do. This means that Eshell is as
does, it uses Emacs' facilities to do. This means that Eshell is as
portable as Emacs itself. It also means that cooperation with Lisp code
is natural and seamless.
@ -356,7 +362,7 @@ using the command @kbd{M-x eshell-report-bug}.
@item
Edit the file @file{Makefile} in the directory containing the Eshell
sources to reflect the location of certain Emacs dircetories at your
sources to reflect the location of certain Emacs directories at your
site. The only things you really have to change are the definitions of
@code{lispdir} and @code{infodir}. The elisp files will be copied to
@code{lispdir}, and the info file to @code{infodir}.
@ -421,14 +427,14 @@ you can use. For other printers, use a suitable DVI driver,
e.g., @code{dvilj4} for LaserJet-compatible printers.
@end enumerate
@node Command basics, Bugs and ideas, Installation, Top
@chapter Command basics
@node Command basics, Commands, Installation, Top
@chapter Basic overview
A command shell is a mechanism for entering verbally-formed commands.
This is really all that it does, and every feature described in this
manual is a means to that end. Therefore, it's important to get a firm
grasp on exactly what a command is, and how it fits into the overall
picture of things.
A command shell is a means of entering verbally-formed commands. This
is really all that it does, and every feature described in this manual
is a means to that end. Therefore, it's important to take firm hold on
exactly what a command is, and how it fits in the overall picture of
things.
@menu
* Commands verbs:: Commands always begin with a verb.
@ -439,11 +445,10 @@ picture of things.
@section Commands verbs
Commands are expressed using @dfn{script}, a special shorthand language
that computers can understand without trouble.
Script is an extremely simplified language. Oddly enough, this actually
makes it look more complicated than it is. Whereas normal languages use
a variety of embellishments, the form of a script command is always:
computers can understand with no trouble. Script is an extremely simple
language; oddly enough, this is what makes it look so complicated!
Whereas normal languages use a variety of embellishments, the form of a
script command is always:
@example
VERB [ARGUMENTS]
@ -455,36 +460,165 @@ author's computer, it reaches almost 1400 in number. But of course,
only a handful of these are really necessary.
Sometimes, the verb is all that's written. A verb is always a single
word, usually related to the task it will perform. @command{reboot} is
a good example. Entering that will cause your computer to reboot,
assuming you have sufficient privileges.
word, usually related to the task it performs. @command{reboot} is a
good example. Entering that on Linux will cause your computer to
reboot---assuming you have sufficient privileges.
Other verbs require more information. These are usually very capable of
verbs, and must be told more specifically what to do. This extra
information is given in the form of arguments. Arguments are also
single words, that appear after the verb. For example, @command{echo}
is a command verb that prints back whatever you say. @command{echo}
requires arguments, so that it knows what to echo. A proper use of
Other verbs require more information. These are usually very capable
verbs, and must be told specifically what to do. The extra information
is given in the form of @dfn{arguments}. For example, the
@command{echo} verb prints back whatever arguments you type. It
requires these arguments to know what to echo. A proper use of
@command{echo} looks like this:
@example
echo This is an example of using echo!
echo This is an example of using echo!
@end example
This piece of script expresses a command that causes the computer to
print back: ``This is an example of using echo!''.
This script command causes the computer to echo back: ``This is an
example of using echo!''.
Although command verbs always take the form of simple words, such as
@command{reboot} and @command{echo}, arguments have a wide vaierty of
forms. There are textual arguments, numerical arguments---even Lisp
arguments. Distinguishing between these different types of arguments
requires special typing, since the computer needs to know exactly what
you mean.
Although command verbs are always simple words, like @command{reboot} or
@command{echo}, arguments may have a wide variety of forms. There are
textual arguments, numerical arguments---even Lisp arguments.
Distinguishing these different types of arguments requires special
typing, for the computer to know exactly what you mean.
@node Command arguments, , Commands verbs, Command basics
@section Command arguments
@node Bugs and ideas, Concept Index, Command basics, Top
Eshell recognizes several different kinds of command arguments:
@enumerate
@item Strings (also called textual arguments)
@item Numbers (floating point or integer)
@item Lisp lists
@item Lisp symbols
@item Emacs buffers
@item Emacs process handles
@end enumerate
Most users need worry only about the first two. The third, Lisp lists,
occur very frequently, but almost always behind the scenes.
Strings are the most common type of argument, and consist of nearly any
character. Special characters---those used by Eshell
specifically---must be preceded by a backslash (\). When in doubt, it
safe to add backslashes anywhere and everywhere.
Here is a more complicated @command{echo} example:
@example
echo A\ Multi-word\ Argument\ With\ A\ \$\ dollar
@end example
Beyond this, things get a bit more complicated. While not beyond the
reach of someone wishing to learn, it is definitely beyond the scope of
this manual to present it all in a simplistic manner. Get comfortable
with Eshell as a basic command invocation tool, and learn more about the
commands on your system; then come back when it all sits more familiarly
on your mind. Have fun!
@node Commands, Arguments, Command basics, Top
@chapter Commands
@menu
* Invocation::
* Completion::
* Aliases::
* History::
* Scripts::
@end menu
@node Invocation, Completion, Commands, Commands
@section Invocation
@node Completion, Aliases, Invocation, Commands
@section Completion
@node Aliases, History, Completion, Commands
@section Aliases
@node History, Scripts, Aliases, Commands
@section History
@node Scripts, , History, Commands
@section Scripts
@node Arguments, Input/Output, Commands, Top
@chapter Arguments
@menu
* The Parser::
* Variables::
* Substitution::
* Globbing::
* Predicates::
@end menu
@node The Parser, Variables, Arguments, Arguments
@section The Parser
@node Variables, Substitution, The Parser, Arguments
@section Variables
@node Substitution, Globbing, Variables, Arguments
@section Substitution
@node Globbing, Predicates, Substitution, Arguments
@section Globbing
@node Predicates, , Globbing, Arguments
@section Predicates
@node Input/Output, Process control, Arguments, Top
@chapter Input/Output
@node Process control, Extension modules, Input/Output, Top
@chapter Process control
@node Extension modules, Extras and Goodies, Process control, Top
@chapter Extension modules
@menu
* Writing a module::
* Module testing::
* Directory handling::
* Key rebinding::
* Smart scrolling::
* Terminal emulation::
* Built-in UNIX commands::
@end menu
@node Writing a module, Module testing, Extension modules, Extension modules
@section Writing a module
@node Module testing, Directory handling, Writing a module, Extension modules
@section Module testing
@node Directory handling, Key rebinding, Module testing, Extension modules
@section Directory handling
@node Key rebinding, Smart scrolling, Directory handling, Extension modules
@section Key rebinding
@node Smart scrolling, Terminal emulation, Key rebinding, Extension modules
@section Smart scrolling
@node Terminal emulation, Built-in UNIX commands, Smart scrolling, Extension modules
@section Terminal emulation
@node Built-in UNIX commands, , Terminal emulation, Extension modules
@section Built-in UNIX commands
@node Extras and Goodies, Bugs and ideas, Extension modules, Top
@chapter Extras and Goodies
@node Bugs and ideas, Concept Index, Extras and Goodies, Top
@chapter Bugs and ideas
@cindex reporting bugs and ideas
@cindex bugs, how to report them
@ -511,8 +645,8 @@ find this package useful!
@cindex known bugs
@cindex bugs, known
Below is a partial list of currently known problems with Eshell version
2.4, which is the version distributed with Emacs 21.1.
Below is complete list of known problems with Eshell version 2.4.1,
which is the version included with Emacs 21.1.
@table @asis
@item Differentiate between aliases and functions
@ -587,7 +721,7 @@ called with the input strings as arguments. This will require changing
See the above entry.
@item Problem running @command{less} without argument on Windows
@item Problem running @command{less} without arguments on Windows
The result in the Eshell buffer is:
@ -782,7 +916,7 @@ way@dots{}). If input redirection is added, also update the
With the handling of @emph{word} specified by an
@code{eshell-special-alist}.
@item In @code{eshell-eval-using-options}, allow a @code{:complete} tag
@item In @code{eshell-veal-using-options}, allow a @code{:complete} tag
It would be used to provide completion rules for that command. Then the
macro will automagically define the completion function.
@ -894,7 +1028,7 @@ auto-revert mode in that buffer at frequent intervals---and a
@item Make @command{dgrep} load @code{dired}, mark everything, then invoke @code{dired-do-search}
@item Write emsh.c
@item Write mesh.c
This would run Emacs with the appropriate arguments to invoke Eshell
only. That way, it could be listed as a login shell.