nnn/nnn.1

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.Dd Oct 06, 2019
.Dt NNN 1
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.Os
.Sh NAME
.Nm nnn
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.Nd the missing terminal file manager for X
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.Sh SYNOPSIS
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.Nm
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.Op Ar -a
.Op Ar -b key
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.Op Ar -c
.Op Ar -d
.Op Ar -e name
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.Op Ar -E
.Op Ar -f
.Op Ar -H
.Op Ar -i
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.Op Ar -K
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.Op Ar -n
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.Op Ar -p file
.Op Ar -r
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.Op Ar -s
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.Op Ar -S
.Op Ar -v
.Op Ar -h
.Op Ar PATH
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.Sh DESCRIPTION
.Nm
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(Nnn's Not Noice) is a performance-optimized, feature-packed fork of noice (http://git.2f30.org/noice/) with seamless desktop integration, simplified navigation, \fInavigate-as-you-type\fR mode with auto select, disk usage analyzer mode, bookmarks, contexts, application launcher, familiar navigation shortcuts, subshell spawning and much more. It remains a simple and efficient file manager that stays out of your way.
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.Pp
.Nm
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opens the current working directory by default if
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.Ar PATH
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is not specified.
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.Sh KEYBINDS
.Pp
Press \fB?\fR in
.Nm
to see the list of keybinds.
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.Sh OPTIONS
.Pp
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.Nm
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supports the following options:
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.Pp
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.Fl a
use access time for all operations (default: modification time)
.Pp
.Fl "b key"
specify bookmark key to open
.Pp
.Fl c
opener opens files in cli utilities only
.Pp
.Fl d
detail mode
.Pp
.Fl "e name"
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load a session by name
.Pp
.Fl E
use $EDITOR for internal undetached edits
.Pp
.Fl f
run filter as command when the prompt key is pressed
.Pp
.Fl H
show hidden files
.Pp
.Fl i
start in navigate-as-you-type mode
.Pp
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.Fl K
test for keybind collision
.Pp
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.Fl n
use case-insensitive version compare to sort files
.Pp
.Fl o
open files only on Enter key
.Pp
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.Fl "p file"
copy (or \fIpick\fR) selection to file, or stdout if file='-'
.Pp
.Fl r
show cp, mv progress (Linux-only, needs advcpmv; '^T' shows the progress on BSD/macOS)
.Pp
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.Fl s
use substring match for filters instead of regex
.Pp
.Fl S
start in disk usage analyzer mode
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.Pp
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.Fl t
disable directory auto-select in navigate-as-you-type mode
.Pp
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.Fl v
show version and exit
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.Pp
.Fl h
show program help and exit
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.Sh CONFIGURATION
.Nm
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uses \fIxdg-open\fR (on Linux) and \fIopen(1)\fR (on macOS) as the desktop opener.
.Pp
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There is no configuration file. Associated files are stored in \fB${XDG_CONFIG_HOME:-$HOME/.config}/nnn/\fR. Settings work on environment variables. See ENVIRONMENT section below.
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.Sh CONTEXTS
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Contexts serve the purpose of exploring multiple directories simultaneously. 4 contexts
are available. The status of the contexts are shown in the top left corner:
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.Pp
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- the current context is in reverse video
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.br
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- other active contexts are underlined
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.br
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- rest are inactive
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.Pp
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On context creation, the state of the previous context is copied. Each context remembers its last visited directory.
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.Pp
Each context can have its own directory color specified. See ENVIRONMENT section below.
.Sh SESSIONS
Sessions are a way to save and restore states of work. A session stores the settings and contexts.
.Pp
Sessions can be loaded dynamically from within a running
.Nm
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instance, or with a program option.
.Pp
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When a session is loaded dynamically, the last working session is saved automatically to a dedicated
-- "last session" -- session file.
.Pp
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All the session files are located in the \fB${XDG_CONFIG_HOME:-$HOME/.config}/nnn/sessions\fR directory by the session name.
"@" is the "last session" file.
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.Sh FILTERS
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Filters support regexes (default) to instantly (search-as-you-type) list the matching
entries in the current directory.
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.Pp
Common use cases:
.Pp
(1) To list all matches starting with the filter expression, start the expression
with a '^' (caret) symbol.
.br
(2) Type '\\.mkv' to list all MKV files.
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.br
(3) Use '.*' to match any character (\fIsort of\fR fuzzy search).
.Pp
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There is a program option to filter entries by substring match instead of regex.
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.Pp
There is a program option to execute the current filter as a command when the prompt key is pressed.
.Pp
In the \fInavigate-as-you-type\fR mode directories are opened in filter mode,
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allowing continuous navigation. Works best with the \fBarrow keys\fR.
.br
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When there's a unique match and it's a directory,
.Nm
auto selects the directory and enters it in this mode.
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.Sh SELECTION
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There are 3 groups of shortcuts to add files to selection:
.Pp
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(1) hovered file selection toggle (indicated by '+' symbol on/off)
.br
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(2) add a range of files to selection
.br
(3) add all files in the current directory to selection
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.Pp
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The selection can now be listed, copied, moved, removed, archived or linked.
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.Pp
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Absolute paths of the selected files are copied to the temporary file \fB.selection\fR in the config directory. The path is shown in the help and configuration screen. If \fB$NNN_COPIER\fR is set (see ENVIRONMENT section below) the file paths are also copied to the system clipboard.
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.Pp
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To flush the selection without running any operation use the _edit, flush selection_ key. The list is flushed even if unchanged. Use this key to remove a file from selection after you navigate away from its directory.
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.Pp
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Repeat range selection on the same entry twice to clear selection completely.
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.Sh FILE SIZE
The minimum file size unit is byte (B). The rest are K, M, G, T, P, E, Z, Y (powers of 1024), same as the default units in \fIls\fR.
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.Sh ENVIRONMENT
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The SHELL, EDITOR (VISUAL, if defined) and PAGER environment variables take precedence
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when dealing with the !, e and p commands respectively. A single combination to arguments is supported for SHELL and PAGER.
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.Pp
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\fBNNN_BMS:\fR bookmark string as \fIkey_char:location\fR pairs (max 10) separated by
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\fI;\fR:
.Bd -literal
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export NNN_BMS='d:~/Documents;u:/home/user/Cam Uploads;D:~/Downloads/'
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NOTE: To go to a bookmark, press the Lead key followed by the bookmark key.
.Ed
.Pp
\fBNNN_PLUG:\fR directly executable plugins as \fIkey_char:location\fR pairs (max 10) separated by
\fI;\fR:
.Bd -literal
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export NNN_PLUG='o:fzopen;p:mocplay;d:diffs;m:nmount;t:imgthumb;i:mediainf'
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NOTE: To run a plugin directly, press \fI:\fR followed by the plugin key.
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.Ed
.Pp
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To assign keys to arbitrary non-background non-shell-interpreted cli
commands and invoke like plugins, add \fI_\fR (underscore) before the command.
.Bd -literal
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export NNN_PLUG='x:_chmod +x $nnn;g:_git log;s:_smplayer $nnn;o:fzopen;m:nmount'
NOTES:
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1. Use single quotes for $NNN_PLUG so $nnn is not interpreted
2. $nnn should be the last argument (IF you want to pass the hovered file name)
3. (Again) add \fI_\fR before the command
.Ed
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.Pp
\fBNNN_USE_EDITOR:\fR use VISUAL (else EDITOR, preferably CLI, fallback vi) to handle text files.
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.Bd -literal
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export NNN_USE_EDITOR=1
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.Ed
.Pp
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\fBNNN_CONTEXT_COLORS:\fR string of color codes for each context, e.g.:
.Bd -literal
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export NNN_CONTEXT_COLORS='1234'
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codes: 0-black, 1-red, 2-green, 3-yellow, 4-blue (default), 5-magenta, 6-cyan, 7-white
.Ed
.Pp
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\fBNNN_SSHFS_OPTS:\fR pass additional options to sshfs command:
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.Bd -literal
export NNN_SSHFS_OPTS='sshfs -o reconnect,idmap=user,cache_timeout=3600'
NOTE: The options must be preceded by `sshfs` and comma-separated without any space between them.
.Ed
.Pp
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\fBNNN_RCLONE_OPTS:\fR pass additional options to rclone command:
.Bd -literal
export NNN_RCLONE_OPTS='rclone mount --read-only --no-checksum'
NOTE: The options must be preceded by `rclone` and max 5 flags are supported.
.Ed
.Pp
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\fBNNN_OPENER:\fR specify a custom file opener.
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.Bd -literal
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export NNN_OPENER=mimeopen
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.Ed
.Pp
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\fBNNN_IDLE_TIMEOUT:\fR set idle timeout (in seconds) to invoke terminal locker (default: disabled).
.Pp
\fBNNN_COPIER:\fR system clipboard copier script. The project page has some sample copier scripts.
.Pp
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\fBNNN_TRASH:\fR trash (instead of \fIdelete\fR) files to desktop Trash.
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.Bd -literal
export NNN_TRASH=1
.Ed
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.Pp
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\fBNNN:\fR this is a special variable set to the current entry before executing a command from the command prompt or spawning a shell.
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.Sh KNOWN ISSUES
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.Nm
may not handle keypresses correctly when used with tmux (see issue #104 for more details). Set \fBTERM=xterm-256color\fR to address it.
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.Sh AUTHORS
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.An Arun Prakash Jana Aq Mt engineerarun@gmail.com ,
.An Lazaros Koromilas Aq Mt lostd@2f30.org ,
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.An Dimitris Papastamos Aq Mt sin@2f30.org .
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.Sh HOME
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.Em https://github.com/jarun/nnn