296 lines
11 KiB
Groff
296 lines
11 KiB
Groff
.\" Hey, EMACS: -*- nroff -*-
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.\" $Id$
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.\"
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.\" Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
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.\" 2009, 2010, 2013, 2014 Free Software Foundation, Inc.
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.\"
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.\" This document is dual-licensed. You may distribute and/or modify it
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.\" under the terms of either of the following licenses:
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.\"
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.\" * The GNU General Public License, as published by the Free Software
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.\" Foundation, version 3 or (at your option) any later version. You
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.\" should have received a copy of the GNU General Public License
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.\" along with this program. If not, see
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.\" <http://www.gnu.org/licenses/>.
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.\"
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.\" * The GNU Free Documentation License, as published by the Free
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.\" Software Foundation, version 1.2 or (at your option) any later
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.\" version, with no Invariant Sections, no Front-Cover Texts, and no
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.\" Back-Cover Texts. You should have received a copy of the GNU Free
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.\" Documentation License along with this program. If not, see
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.\" <http://www.gnu.org/licenses/>.
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.\"
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.TH NANO 1 "version 2.4.3" "August 2015"
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.\" Please adjust this date whenever revising the manpage.
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.\"
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.SH NAME
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nano \- Nano's ANOther editor, an enhanced free Pico clone
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.SH SYNOPSIS
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.B nano
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.RI [ options "] [[+" line , column "]\ " file "]..."
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.SH DESCRIPTION
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\fBnano\fP is a small, free and friendly editor which aims to replace
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Pico, the default editor included in the non-free Pine package. On
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top of copying Pico's look and feel, \fBnano\fP also implements some
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missing (or disabled by default) features in Pico, such as "search and
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replace" and "go to line and column number".
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.SH EDITING
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Entering text and moving around in a file is straightforward: typing the
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letters and using the normal cursor movement keys. Commands are entered
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by using the Control (^) and the Alt or Meta (M-) keys.
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Typing \fB^K\fR deletes the current line and puts it in the cutbuffer.
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Consecutive \fB^K\fRs will put all deleted lines together in the cutbuffer.
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Any cursor movement or executing any other command will cause the next
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\fB^K\fR to overwrite the cutbuffer. A \fB^U\fR will paste the current
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contents of the cutbuffer at the current cursor position.
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.PP
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When a more precise piece of text needs to be cut or copied, one can mark
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its start with \fB^6\fR, move the cursor to its end (the marked text will be
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highlighted), and then use \fB^K\fR to cut it, or \fBM-6\fR to copy it to the
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cutbuffer. One can also save the marked text to a file with \fB^O\fR, or
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spell check it with \fB^T\fR.
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.PP
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The two lines at the bottom of the screen show the most important commands;
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the built-in help (\fB^G\fR) lists all the available ones.
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The default key bindings can be changed via the .nanorc file -- see
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.BR nanorc (5).
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.SH OPTIONS
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.TP
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.B +\fIline\fP,\fIcolumn\fP
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Places the cursor on line number \fIline\fP and at column number \fIcolumn\fP
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(at least one of which must be specified) on startup, instead of the
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default line 1, column 1.
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.TP
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.BR \-A ", " \-\-smarthome
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Make the Home key smarter. When Home is pressed anywhere but at the
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very beginning of non-whitespace characters on a line, the cursor will
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jump to that beginning (either forwards or backwards). If the cursor is
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already at that position, it will jump to the true beginning of the
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line.
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.TP
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.BR \-B ", " \-\-backup
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When saving a file, back up the previous version of it, using the current
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filename suffixed with a tilde (\fB~\fP).
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.TP
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.BR \-C\ \fIdirectory\fR ", " \-\-backupdir= \fIdirectory
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Make and keep not just one backup file, but make and keep a uniquely
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numbered one every time a file is saved -- when backups are enabled.
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The uniquely numbered files are stored in the specified \fIdirectory\fR.
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.TP
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.BR \-D ", " \-\-boldtext
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Use bold text instead of reverse video text.
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.TP
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.BR \-E ", " \-\-tabstospaces
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Convert typed tabs to spaces.
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.TP
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.BR \-F ", " \-\-multibuffer
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Enable multiple file buffers (if support for them has been compiled in).
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.TP
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.BR \-G ", " \-\-locking
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Enable vim-style file locking when editing files.
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.TP
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.BR \-H ", " \-\-historylog
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Log search and replace strings to \fI~/.nano/search_history\fP, so they can be
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retrieved in later sessions.
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.TP
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.BR \-I ", " \-\-ignorercfiles
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Don't look at the system's \fBnanorc\fP nor at \fB~/.nanorc\fP.
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.TP
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.BR \-K ", " \-\-rebindkeypad
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Interpret the numeric keypad keys so that they all work properly. You
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should only need to use this option if they don't, as mouse support
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won't work properly with this option enabled.
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.TP
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.BR \-L ", " \-\-nonewlines
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Don't add newlines to the ends of files.
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.TP
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.BR \-N ", " \-\-noconvert
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Disable automatic conversion of files from DOS/Mac format.
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.TP
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.BR \-O ", " \-\-morespace
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Use the blank line below the titlebar as extra editing space.
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.TP
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.BR \-P ", " \-\-positionlog
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Log and later read back the location of the cursor and place it there
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again. (The old form of this option, \fB\-\-poslog\fR, is deprecated.)
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.TP
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.BR "\-Q ""\fIcharacters\fB""" ", " "\-\-quotestr=""" \fIcharacters\fR """
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Set the quoting string for justifying. The default is
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\fB"^([\ \\t]*[#:>\\|}])+"\fP if extended regular expression support is
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available, or \fB">\ "\fP otherwise. Note that \fB\\t\fP stands for a
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Tab.
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.TP
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.BR \-R ", " \-\-restricted
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Restricted mode: don't read or write to any file not specified on the
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command line; don't read any \fInanorc\fP files nor history files;
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don't allow suspending nor spell checking;
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don't allow a file to be appended to, prepended to, or saved under a
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different name if it already has one; and don't use backup files.
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This restricted mode is also accessible by invoking \fBnano\fP
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with any name beginning with 'r' (e.g. "rnano").
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.TP
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.BR \-S ", " \-\-smooth
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Enable smooth scrolling. Text will scroll line-by-line, instead of the
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usual chunk-by-chunk behavior.
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.TP
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.BR \-T\ \fInumber\fR ", " \-\-tabsize= \fInumber
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Set the size (width) of a tab to \fInumber\fP columns. The value of
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\fInumber\fP must be greater than 0. The default value is 8.
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.TP
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.BR \-U ", " \-\-quickblank
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Do quick statusbar blanking. Statusbar messages will disappear after 1
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keystroke instead of 25. Note that \fB\-c\fP overrides this.
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.TP
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.BR \-V ", " \-\-version
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Show the current version number and exit.
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.TP
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.BR \-W ", " \-\-wordbounds
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Detect word boundaries more accurately by treating punctuation
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characters as part of a word.
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.TP
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.BR \-Y\ \fIname\fR ", " \-\-syntax= \fIname
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Specify the name of the syntax highlighting to use from among the ones
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defined in the \fInanorc\fP files.
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.TP
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.BR \-c ", " \-\-constantshow
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Constantly show the cursor position. Note that this overrides \fB\-U\fP.
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.TP
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.BR \-d ", " \-\-rebinddelete
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Interpret the Delete key differently so that both Backspace and Delete
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work properly. You should only need to use this option if Backspace
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acts like Delete on your system.
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.TP
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.BR \-h ", " \-\-help
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Show a summary of the available command-line options and exit.
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.TP
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.BR \-i ", " \-\-autoindent
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Indent new lines to the previous line's indentation. Useful when
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editing source code.
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.TP
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.BR \-k ", " \-\-cut
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Make the 'Cut Text' command (normally ^K) cut from the current cursor
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position to the end of the line, instead of cutting the entire line.
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.TP
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.BR \-l ", " \-\-nofollow
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If the file being edited is a symbolic link, replace the link with
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a new file instead of following it. Good for editing files in
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\fI/tmp\fP, perhaps?
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.TP
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.BR \-m ", " \-\-mouse
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Enable mouse support, if available for your system. When enabled, mouse
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clicks can be used to place the cursor, set the mark (with a double
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click), and execute shortcuts. The mouse will work in the X Window
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System, and on the console when gpm is running. Text can still be
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selected through dragging by holding down the Shift key.
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.TP
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.BR \-n ", " \-\-noread
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Treat any name given on the command line as a new file. This allows
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\fBnano\fR to write to named pipes: it will start with a blank buffer,
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and will write to the pipe when the user saves the "file". This way
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\fBnano\fR can be used as an editor in combination with for instance
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\fBgpg\fR without having to write sensitive data to disk first.
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.TP
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.BR \-o\ \fIdirectory\fR ", " \-\-operatingdir= \fIdirectory
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Set the operating directory. This makes \fBnano\fP set up something
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similar to a chroot.
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.TP
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.BR \-p ", " \-\-preserve
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Preserve the XON and XOFF sequences (^Q and ^S) so they will be caught
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by the terminal.
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.TP
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.BR \-q ", " \-\-quiet
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Do not report errors in the \fInanorc\fP files nor ask them to be
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acknowledged by pressing Enter at startup.
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.TP
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.BR \-r\ \fInumber\fR ", " \-\-fill= \fInumber
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Hard-wrap lines at column \fInumber\fP. If this value is 0 or less, wrapping
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will occur at the width of the screen less \fInumber\fP columns, allowing
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the wrap point to vary along with the width of the screen if the screen
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is resized. The default value is \-8. This option conflicts with
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.B \-w
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-- the last one given takes effect.
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.TP
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.BR \-s\ \fIprogram\fR ", " \-\-speller= \fIprogram
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Use this alternative spell checker command.
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.TP
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.BR \-t ", " \-\-tempfile
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Always save a changed buffer without prompting. Same as Pico's \fB\-t\fP
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option.
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.TP
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.BR \-u ", " \-\-unix
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Save a file by default in Unix format. This overrides nano's
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default behavior of saving a file in the format that it had.
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(This option has no effect when you also use \fB\-\-noconvert\fR.)
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.TP
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.BR \-v ", " \-\-view
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View-file (read-only) mode.
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.TP
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.BR \-w ", " \-\-nowrap
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Disable the hard-wrapping of long lines. This option conflicts with
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.B \-r
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-- the last one given takes effect.
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.TP
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.BR \-x ", " \-\-nohelp
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Don't show the two help lines at the bottom of the screen.
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.TP
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.BR \-z ", " \-\-suspend
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Enable the suspend ability.
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.TP
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.BR \-$ ", " \-\-softwrap
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Enable 'soft wrapping'. This will make \fBnano\fP attempt to display the
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entire contents of any line, even if it is longer than the screen width, by
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continuing it over multiple screen lines. Since
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\&'$' normally refers to a variable in the Unix shell, you should specify
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this option last when using other options (e.g.\& 'nano \-wS$') or pass it
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separately (e.g.\& 'nano \-wS \-$').
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.TP
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.BR \-a ", " \-b ", " \-e ", " \-f ", " \-g ", " \-j
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Ignored, for compatibility with Pico.
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.SH INITIALIZATION FILE
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\fBnano\fP will read initialization files in the following order:
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the system's \fBnanorc\fP (if it exists), and then the user's
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\fB~/.nanorc\fP (if it exists). Please see
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.BR nanorc (5)
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for more information on the possible contents of those files.
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.SH NOTES
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If no alternative spell checker command is specified on the command
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line nor in one of the \fInanorc\fP files, \fBnano\fP will check the
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\fBSPELL\fP environment variable for one.
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In some cases \fBnano\fP will try to dump the buffer into an emergency
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file. This will happen mainly if \fBnano\fP receives a SIGHUP or
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SIGTERM or runs out of memory. It will write the buffer into a file
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named \fInano.save\fP if the buffer didn't have a name already, or will
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add a ".save" suffix to the current filename. If an emergency file with
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that name already exists in the current directory, it will add ".save"
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plus a number (e.g.\& ".save.1") to the current filename in order to make
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it unique. In multibuffer mode, \fBnano\fP will write all the open
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buffers to their respective emergency files.
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.SH BUGS
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Please report any bugs that you encounter via
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https://savannah.gnu.org/bugs/?group=nano.
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.SH HOMEPAGE
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http://www.nano-editor.org/
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.SH SEE ALSO
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.PD 0
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.TP
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\fBnanorc\fP(5)
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.PP
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\fI/usr/share/doc/nano/\fP (or equivalent on your system)
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.SH AUTHOR
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Chris Allegretta <chrisa@asty.org>, et al (see the files \fIAUTHORS\fP and
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\fITHANKS\fP for details). This manual page was originally written by
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Jordi Mallach <jordi@gnu.org>, for the Debian system (but may be used by
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others).
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