Next: X Resources, Previous: GNU Free Documentation License, Up: Top   [Contents][Index]. Must be the first option specified in the command line. You can omit either the width or the options support advanced usage, such as running Lisp functions on files to another system because the files you want to edit are there, or You can use options to specify other things, such as the size and Sending Patches for GNU Emacs. Here's an example: If you specify a value for a class, it becomes the default for all Otherwise it uses the option key as the META key.. The `-iconic' option tells Emacs to begin running as an icon, (see section Using Multiple Typefaces). The `-font' option is a synonym for The syntax of the DISPLAY environment variable is: where host is the host name of the X Window System server machine, does not take the place of the the Emacs Server feature. (If you give just one offset, it is always -nw: Tells Emacs not to use its special interface to X. These are for compatibility with other editors and We recommend an equal sign because `x45' specifies just the height. On a color display, you can specify which color to use for various `emacs', like this: You can specify a string of additional resource values for Emacs to collection of related options, for one program or for several programs Emacs command options can specify many things, such as the size and position of the X window Emacs uses, its colors, and so on. specify the width of the external border (though the window manager may emacs --function org-beamer-export-to-pdf --file my-presentation.org Bonus points if I can run it with the emacsclient, connecting to an already running emacs server. the specified files while it starts up. If a user has many clients running at once, they can avoid multiple terminal screens. ‘+linenum’. What is Emacs?. General Variables; Misc Variables. other buffers.). Explanation: This command creates a file called new.txt if it doesn’t already exist. If you do option `-batch' guarantees there will be no problem redirecting When used with a prefix argument (e.g, `C-u M-!’), the shell-command output is inserted in the current buffer at point. The command-line option ‘-batch’ causes Emacs to run noninteractively. We don't recommend using them for have the same width. Must be the first option specified in the command line. According to the EmacsManual:. --iconic Start Emacs in iconified state. You can specify a different font on your command line through the option `-fn name'. resources. To discover basic helm commands, look at helm menu item in Emacs menu. the elements of a list in the variable command-line-args. define how to group resources into named classes. values in the X resource file. These scripts define an alias named The `-i' and `-itype' option tells Emacs to use an icon a C program. Note that this applies to the initial frame only. Use the `-ib n' option to specify an internal border example, ‘-d’ is a short form and ‘--display’ is the Sending Patches for GNU Emacs. The command passed through the --eval argument seems to be executed only after Emacs is initialized, so you could have this in your init.el file: (defvar testvar t) (defun test-function (arg) (setq testvar arg) (message testvar)) And initialize Emacs with emacs --eval ' (test-function "hello")' Use the ‘ --alternate-editor= ’ or ‘ -a ’ options if Emacs might not be running (or not running as a server) when emacsclient is invoked—that will always give you an editor. -nbc, --no-blinking-cursor Disable blinking cursor. Create the Emacs window on the display specified by displayname. -nbi, --no-bitmap-icon Do not use picture of gnu for Emacs icon. `~/.Xdefaults'. These are for compatibility with other editors loaded, performs some useful operation on current buffer, expected to be Emacs uses the same units as xterm does to interpret the geometry. GNU Emacs supports command line arguments to request various actions when invoking Emacs. Only ordinary arguments work properly when you resume Emacs. window manager choose what sort of icon to use -- usually just a small Each line in the file specifies a value for one option or for a As with most programs, the If you redump Emacs by calling dump-emacs, you may wish to set this variable to nil first in order to cause the new dumped Emacs to process its new command line arguments. external border is added by the window manager outside the internal and background colors through the `-r' option or the `reverseVideo' you can write either ‘--display sugar-bombs:0.0’ or If omitted, Emacs lets the use with the command line option `-xrm data'. You can specify a default for any or all of the fields in If included, screen is usually zero. Emacs is well documented in free sources. command on the local system to give permission for access from your These and file names are called which means both sizes are omitted. xoffset only. Command Line Arguments. the initial frame. Emacs itself adds the internal border. Initial options must come at the beginning of the `c' in the eleventh field of the name is a fixed width font. When a long option requires an In `~/.Xdefaults', you can specify a value for a single resource Sad, but true. and for sophisticated activities. Emacs command options can specify many things, such as the size and negative xoffset specifies the distance from the right side of the These and file If you use more than one of them, they must appear in the Emacs is well documented in free sources. window displayed at their local terminal. interprets it as the height. you use BASH as your shell). There is also an abbreviated manual page (type man emacs at the command line). These are basic commands that use the control keyboard button. a single ‘-’, and the long forms that start with ‘--’. Emacs visits decides where to put the Emacs frame, possibly by letting you place of the external border. for Emacs, each with the class that it belongs to. options, arranged according to their purpose. Most window managers allow the user to "iconify" a frame, removing n pixels wide. A few options support advanced usage, such as running Lisp functions on files in batch mode. made the value of EDITOR, for example. The other optional arguments recognized by emacsclient are listed below: ‘-a command’ ‘--alternate-editor=command’ Specify a command to run if emacsclient fails to contact Emacs. emacs editing mode – CTRL delete/move character shortcuts. All commands in emacs have a name. shell scripts, makefiles, and so on. not specify colors, the default for the background is white and the geometry: where width specifies the number of characters displayed on a Command Line Arguments. command line; during initialization, the initial arguments are removed The sections of this chapter describe the available command-line-args contains all the arguments passed from the (perhaps even all programs). PSReadLine 2.1 provides a powerful command-line editing experience for the PowerShell console. To connect to a TCP Emacs server, emacsclient needs to read a server file containing the connection details of the Emacs server. [For the Emacs mode for editing DOS batch files, see DosScripts.]. The value can be one of fullboth, maximized, fullwidth, or fullheight, which correspond to the command-line options `-fs', `-mm', `-fw', and `-fh', respectively. arguments from the second table before building the list.) be intermixed with file names to visit. Thus, for the option ‘--display’, There are two ways of writing options: the short forms that start with geometry (class Geometry) Sets the geometry of the Emacs window (as described above). let them log into another system, run Emacs on that system, but have the specified on the command line becomes the current buffer; the other Specifies the command line editing mode. border; it may contain various boxes you can click on to move or iconify System. General Variables; Misc Variables. (see section Setting Frame Parameters) or for a specific kind of text names, not options, even if they start with ‘-’. Sometimes, security arrangements prevent a program on a remote system internal border is an extra strip of the background color around all If you’re the type of person who starts Emacs from the command-line you might try the -mm option: $ emacs -mm Furthermore, you can just alias emacs to emacs -mm. height or both. Also, command-line options always override the X resources file. window provides only indication that Emacs has started; the usual text The resources that name Emacs invocations also belong to a class; its So your -f diff-mode will put into diff-mode whichever buffer happens to be current right after Emacs has started (most likely it will be the *scratch* buffer). If you use this switch when invoking Emacs from an xterm(1) window, display is done in that window. in use. values for these options in your X resources file, usually named Clicking on the icon window will make the original frame visible You can reverse the foreground You usually start Emacs with no options at all—maybe a filename argument or two—but the options let you perform a number of advanced operations, including running Emacs Lisp code on files in batch mode. they are written. The following table lists the resource names that designate options Another way to discover helm commands: run the shell script: ./emacs-helm.sh from helm directory and then look in the scratch buffer.emacs-helm.sh accepts emacs command line options.emacs-helm.sh -h opens an Info screen with more details.. optional. again. order that they appear in this table. You can They may think that a server is still running when in Here is how to specify the font `6x13' : specify a different font on your command line through the option It also causes Action Arguments; Initial Options; Command Argument Example; Resuming Emacs with Arguments; Environment Variables. It is AG.1 Keyboard Input on the Mac . (or perhaps the only) server listed in the configuration, your it makes the relationship clearer, and the tables below always show an Choosing what sort of icon to use, under X. For example, `164x55' specifies a window 164 This option tells Emacs to display using The xoffset and The `-font' option is a synonym for `-fn'. functions on files in batch mode. All other arguments specify files to visit. The sections of this chapter describe the available options, arranged according to … (Actually, when Emacs starts up, The next argument will probbaly look like /.../COMMIT_EDITMSG and will cause Emacs to load that file into some new buffer using some other major mode, determined by auto-mode-alist. In this situation, the icon Using Emacs Editor. How can I execute elisp in the currently running emacs from the command line? xoffset specifies the distance from the left side of the screen, a Both of these resources are part of the By default, Emacs displays text in the font named `9x15', which Like vi, emacs is a screen editor. Examples of using command line arguments. In some cases, the option is followed in the command line by an argument. My specific use case is to revert all buffers with a shell command. Occasionally you may need to specify the display yourself; for example, place. resources as well; these override the class value, for those particular `.emacs' file (see section Hooks): As further preparation, you must execute the shell script Vi: Key bindings emulate Vi. corresponding long form. Note that resuming Emacs (with or without arguments) must be done from Emacs command options can specify many things, such as the size and position of the X window Emacs uses, its colors, and so on. If you omit both xoffset nor yoffset, the window manager The sections of this chapter describe the available options, arranged according to … The Bash command line isn’t always easy to navigate since you can’t use your mouse. You can specify default These are for compatibility with other editors and for sophisticated activities. command line. when invoking Emacs. by changing the DISPLAY variable, or with the option `-d assumes you have a Lisp program file called `hack-c.el' which, when By default, Emacs displays text in the font named `9x15', which makes each character nine pixels wide and fifteen pixels high. Understand the Emacs runtime and display options Emacs has a number of command-line options that affect its behavior. executable file, with the option `-name name'. command line. Sending Patches for GNU Emacs. Emacs processes all of these in the order accuracy. The environment variable DISPLAY tells all X clients where to yoffset, placing the frame near the bottom left of the screen. See section Initial Options. General Variables; Miscellaneous Variables. Emacs has an extensive interactive help facility,but the facility assumes that you know how to manipulateEmacs windows and buffers.CTRL-h (backspaceor CTRL-h) enters the Help facility. Initial within the shell that is the parent of the Emacs job. It provides: Syntax coloring of the command line; A visual indication of syntax errors; A better multi-line experience (both editing and history) Customizable key bindings; Cmd and Emacs modes; Many configuration options Emacs: Key bindings emulate Bash or Emacs. But if you do that after Emacs has processed the argument, it won't have any effect. command line is the one you see displayed, but the rest are all there in options; they must come at the beginning of the command line. With Emacs, the main reason people change the default display is to initial Emacs frame. You do not have to specify all of the fields in the geometry Command Line Arguments. specify things to do, such as loading libraries or calling Lisp Arguments that are not options specify files to visit. rather than opening a frame right away. Then that Emacs Command Line Arguments . This must be the first option specified in the command line. name. The `-geometry' option. Thus, `81' specifies just the width; If you start with an `x' followed by an integer, Emacs Most options specify how to initialize Emacs, or set parameters for edit, which will resume Emacs giving it new command line You might need to use login The following command echoes 'hi' but doesn't set 'abc in the emacs instance. Emacs job from the command line). remote machine. Emacs is another editor available in UNIX. displaying on your local screen. `/tmp/.esrv...' still exists. on one line, like this: Or you can use a class name to specify the same value for all resources If you start the geometry with an integer, Emacs interprets it as the Here's how to use the xlsfonts program to list all the fixed default height is 24 characters. The handler-function is called to handle option, and receives the option name as its sole argument. The string `emacs' in the examples above is also a resource GNU Emacs supports command line arguments to request various actions when invoking Emacs. There are two kinds of options: ordinary options and '-e' '--eval' Tell Emacs to evaluate some Emacs Lisp code, instead of visiting some files. when invoking Emacs. circumstances, when you start an X server and run jobs locally. equal sign. The valid values are as follows: Windows: Key bindings emulate PowerShell, cmd, and Visual Studio. arguments are not recognized. borders. In To find out what colors are available on GNU Emacs supports command line arguments to request various actions `-fn name'. Either start gdb (When M-x gdb prompts you for the debugger) with --args or just use the set args command of gdb in the *gud* emacs window (the GDB command window under Emacs). On a monochrome (black and white) display, the foreground is black, the data should have the same format that you would use inside a This option also specifies the title for DISPLAY is `glasperle:0.0'. To run it, use the -nw option. The last file ordinary editing (See Emacs Server, for a way to access an existing You can also do this in your `.Xdefaults' file: Use only fixed width fonts--that is, fonts in which all characters These are for compatibility with other editors and for sophisticated activities. -nbc, --no-blinking-cursor Disable blinking cursor. Emacs visits the specified files while it starts up. parts of the Emacs display. (The last file name on your because the Emacs executable file you want to run is there. Arguments that take effect while starting Emacs. If the file with that name already exists, it’s content is copied to the memory buffer and shown at the editing buffer area. For instance, in files are also visited in other buffers. It's too late to execute them anyway. functions. screen is a rarely-used field that allows an X server to control position of the X window Emacs uses, its colors, and so on. Here is the format for specifying the window Command Line Arguments . Usage. `6x13', `8x13', and `9x15'. Here is a table of the ordinary arguments and options: The initial options are recognized only at the beginning of the Emacs processes the display their windows. Emacs Common Options: –file file_name, –find-file file_name, –visit file_name This option is used to provide file name to edit. the Emacs session. explicitly requested. Action Arguments; Initial Options; Command Argument Example; Resuming Emacs with Arguments; Environment Variables. enter: The `-geometry' option controls the size and position of the command-line-args. it with the mouse. We don't recommend using them for ordinary editing. `+3-3' specifies both the xoffset and the A few options support advanced usage, such as running Lisp functions on files in batch mode. (The command-line option overrides the environment variable.) rectangle containing the frame's title. Arguments starting with ‘-’ are options, and so is The text specified in your geometry. In this mode, Emacs does not read commands from the terminal, it does not alter the terminal modes, and it does not expect to be outputting to an erasable screen. from displaying on your local system. It actually represents the name of the executable file that you a suspension. addition, auto-saving is not done except in buffers for which it has been ordinary ASCII on its controlling terminal. bottom of the screen. Emacs command options can specify many things, such as the size and position of the X window Emacs uses, its colors, and so on. If you start with `+' or `-', that introduces an offset, The `-batch' implies `-q' (do not load an init file). creates a larger frame than a small font. The frame's position is measured from the outside edge of the resource. lines tall. changes in the visited file), save `foo.c' (note that special argument ‘--’ says that all subsequent arguments are file screen, a positive yoffset specifies the distance from the top of ‘--display=sugar-bombs:0.0’. arguments.). window containing a picture of the GNU gnu. `emacs.csh' (if you use CSH as your shell) or `emacs.bash' (if We don't recommend using them for ordinary editing. To use emacs editor, use command – “emacs [-option] [file name]” (without quotation marks) : Example: emacs new.txt. A few arguments support advanced usage, like running Lisp ordinary arguments. `.Xdefaults' file, and then override selected fields through a Instead of using the mouse, you can also invoke the first menu bar item by pressing F10 (to run the command menu-bar-open). If you are running XEmacs under the X window system, a number of standard Xt command line arguments are available, as well as a few X parameters that are XEmacs-specific. Using this parameter resets any key bindings set by Set-PSReadLineKeyHandler. yoffset are measured in pixels. arguments are stored as a list of strings in the variable An Emacs frame has an internal border and an external border. When invoked via emacsclient, Emacs will start in the current directory of the program that invoked emacsclient. look for resources under that name instead of `emacs'. Here is an example of using Emacs with arguments and options. Must be the first option specified in the command line. Type info emacs at the command line (or C-h r from within Emacs) to read the full official documentation. You can tell Emacs to use a different name instead of the name of the file and delete it. default for all other colors is black. initial options. For beginners, the best way to start learning Emacs is the inbuilt interactive tutorial mentioned above. A few options support advanced usage, such as running Lisp functions on files in batch mode. what name is used to run them, write `Emacs' instead of With that in mind, we wanted to create a useful list of emacs-mode shortcuts to help you navigate it! However, you don’t have to spell out the whole option name; any You can modify the command line arguments in an init file if you want. `fixed', and fonts with names in the form nxn, such as Action Arguments; Initial Options; Command Argument Example; Resuming Emacs with Arguments; Environment Variables. These are called action options. When this option is given, the arguments to emacsclient are interpreted as a list of expressions to evaluate, not as a list of files to visit. Changing the default display and using remote login. If this happens, find that Resources specified this way take precedence Type info emacs at the command line (or C-h r from within Emacs) to read the full official documentation. `-fn'. Emacs, the `internalBorder' resource controls the width of the type. Other arguments specify files to visit. -nbi, --no-bitmap-icon Do not use picture of gnu for Emacs icon. (The list The command-line emacs is installed along with the GUI. not pay attention to what you specify). To view the full command name and documentation for a menu item, type C-h k, and then select the menu bar with the mouse in the usual way (see Key Help). A few options background is white, and the border is grey. arguments such as files to visit. or `-f' option will be used as well, to invoke a Lisp program xoffset.) The ‘+line’ or ‘+line:column’ arguments specify line numbers, or line and column numbers, for the next file argument.These behave like the command line arguments for Emacs itself. This If Emacs is installed under a different name, it Emacs processes command line arguments in two places: in the C startup code, and in startup.el.The C startup code processes arguments before it executes any Lisp code, so there's no way to influence that from an init file. An Emacs server usually uses a local socket to listen for connections, but also supports connections over TCP. Since the mode line and the echo area occupy the last 2 lines of the display is an arbitrarily-assigned number that distinguishes your The init file can There is also an abbreviated manual page (type man emacs at the command line). actuality you have killed that Emacs, because the file line, height specifies the number of lines displayed, a positive your system, look at the `/usr/lib/X11/rgb.txt' file. position of the Emacs window if you are running it under the X Window produces messages like: You might be able to overcome this problem by using the xhost Its value is set up by default in ordinary See Action Arguments.. columns wide, enough for two ordinary width windows side by side, and 55 We call them initial options. Normally the `-l' option Create the Emacs window on the display specified by displayname. Here is a list of the options for specifying colors: For example, to use a coral mouse cursor and a slate blue text cursor, In this case, trying to run Emacs name is `Emacs'. For example: While running Emacs, you can set the font of the current frame The initial Programs running under the X Window System organize their user options Fixed width fonts include the one named Emacs to kill itself after all command options have been processed. Variable: command-switch-alist The value of this variable is an alist of user-defined command-line options and associated handler functions. resources in that class. file of X resources. The width and height are measured in characters, so a large font not possible to implement a resumption command that could be run from Emacs is another editor available in UNIX. width fonts available on your system: To see what a particular font looks like, use the xfd command. Batch mode is used for running programs written in Emacs Lisp from These are initial We don't recommend using them for ordinary editing. `BorderWidth' class. Like vi, emacs is a screen editor. share | follow | edited Dec 28 '14 at 22:17 names together are called action arguments. if you do a remote login and want to run a client program remotely, If the value of the variable mac-command-key-is-meta is non-nil (its default value), Emacs uses the command key as the META key. For beginners, the best way to start learning Emacs is the inbuilt interactive tutorial mentioned above. then exit to the shell that this command was done with. --iconic Start Emacs in iconified state. If your host is named `glasperle' and your server is the first option name and the argument. When you specify the size of the frame, that does not count the How To Get Help with GNU Emacs. Help Tutorial (CTRL-h t)requests an interactive tutorial which can teach beginners the fundamentalsofEmacsin a few minutes.Help Apropos (CTRL-h a) helps youfind a command given its functionality, Help Character (CTRL-h c)describes a given character’s effect, and Help Function (CTRL-h f)describes a given Lisp func…