mirror of
https://github.com/jarun/nnn.git
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b1027150ed
* Add -a option to generate a temporary NNN_FIFO * Add documentation for -a option * plugins/README.md: promote the use of -a This obsoletes the global FIFO unlink trick, so I remove mentions of it. @jarun update: Polish -a
462 lines
14 KiB
Groff
462 lines
14 KiB
Groff
.Dd Apr 13, 2020
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.Dt NNN 1
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.Os
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.Sh NAME
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.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
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.Op Ar -A
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.Op Ar -b key
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.Op Ar -c
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.Op Ar -d
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.Op Ar -e
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.Op Ar -E
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.Op Ar -f
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.Op Ar -F
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.Op Ar -g
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.Op Ar -H
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.Op Ar -K
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.Op Ar -l
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.Op Ar -n
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.Op Ar -p file
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.Op Ar -Q
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.Op Ar -r
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.Op Ar -R
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.Op Ar -s name
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.Op Ar -S
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.Op Ar -t secs
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.Op Ar -T key
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.Op Ar -V
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.Op Ar -x
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.Op Ar -h
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.Op Ar PATH
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.Sh DESCRIPTION
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.Nm
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(Nnn's Not Noice) is a performance-optimized, feature-packed fork of
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noice (http://git.2f30.org/noice/) with seamless desktop
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integration, simplified navigation, \fItype-to-nav\fR mode with
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auto select, disk usage analyzer mode, bookmarks, contexts, application
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launcher, familiar navigation shortcuts, subshell spawning and much
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more.It remains a simple and efficient file manager that stays out of your way.
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.Pp
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.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
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.Pp
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Press \fB?\fR in
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.Nm
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to see the list of keybinds.
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.Sh OPTIONS
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.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
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auto-setup temporary NNN_FIFO (described in ENVIRONMENT section)
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.Pp
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.Fl A
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disable directory auto-select in type-to-nav mode
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.Pp
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.Fl "b key"
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specify bookmark key to open
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.Pp
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.Fl c
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indicates that the opener is a cli-only opener (overrides -e)
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.Pp
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.Fl d
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detail mode
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.Pp
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.Fl e
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open text files in $VISUAL (else $EDITOR, fallback vi) [preferably CLI]
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.Pp
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.Fl E
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use $EDITOR for internal undetached edits
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.Pp
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.Fl f
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use readline history file
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.Pp
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.Fl F
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show fortune in help and settings screen
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.Pp
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.Fl g
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use regex filters instead of substring match
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.Pp
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.Fl H
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show hidden files
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.Pp
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.Fl K
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test for keybind collision
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.Pp
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.Fl "l val"
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number of lines to move per mouse wheel scroll
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.Pp
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.Fl n
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start in type-to-nav mode
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.Pp
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.Fl o
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open files only on Enter key
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.Pp
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.Fl "p file"
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copy (or \fIpick\fR) selection to file, or stdout if file='-'
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.Pp
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.Fl Q
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disable confirmation on quit with multiple contexts active
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.Pp
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.Fl r
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show cp, mv progress
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(Linux-only, needs advcpmv; '^T' shows the progress on BSD/macOS)
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.Pp
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.Fl R
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disable rollover at edges
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.Pp
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.Fl "s name"
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load a session by name
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.Pp
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.Fl S
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persistent session
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.Pp
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.Fl "t secs"
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idle timeout in seconds to lock terminal
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.Pp
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.Fl "T key"
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sort order
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keys: 'a'u / 'd'u / 'e'xtension / 'r'everse / 's'ize / 't'ime / 'v'ersion
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.Pp
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.Fl V
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show version and exit
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.Pp
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.Fl x
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show notis on selection cp, mv, rm completion
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copy path to system clipboard on select
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.Pp
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.Fl h
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show program help and exit
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.Sh CONFIGURATION
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There is no configuration file. Associated files are at
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.Pp
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\fB${XDG_CONFIG_HOME:-$HOME/.config}/nnn/\fR
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.Pp
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Configuration is done using a few optional (set if you need) environment
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variables. See ENVIRONMENT section.
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.Pp
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.Nm
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uses \fIxdg-open\fR (on Linux), \fIopen(1)\fR (on macOS), \fIcygstart\fR on
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(Cygwin) and \fIopen\fR on (Haiku) as the desktop opener. It's also possible
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to specify a custom opener. See ENVIRONMENT section.
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.Sh CONTEXTS
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Explore multiple directories simultaneously with 4 contexts. The status is
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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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A new context copies the state of the previous context. Each context can have
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its own color. See ENVIRONMENT section.
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.Sh SESSIONS
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Sessions are a way to save and restore states of work. A session stores the
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settings and contexts.
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.Pp
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Sessions can be loaded dynamically from within a running
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.Nm
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instance, or with a program option.
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.Pp
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When a session is loaded dynamically, the last working session is saved
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automatically to a dedicated -- "last session" -- session file. The "last
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session" is also used in persistent session mode.
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.Pp
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All the session files are located by session name in the directory
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.Pp
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\fB${XDG_CONFIG_HOME:-$HOME/.config}/nnn/sessions\fR
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.Pp
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"@" is the "last session" file.
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.Sh FILTERS
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Filters are strings (or regex patterns) to find matching entries in the current
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directory instantly (\fIsearch-as-you-type\fR). Matches are case-insensitive by
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default. The last filter in each context is persisted at runtime or in saved
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sessions.
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.Pp
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Special keys at filter prompt:
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.Bd -literal
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------ + ---------------------------------------
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Key | Function
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------ + ---------------------------------------
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^char | Usual keybind functionality
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Esc | Exit filter prompt but skip dir refresh
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------ + ---------------------------------------
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.Ed
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.Pp
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Special keys at \fBempty filter prompt\fR:
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.Bd -literal
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------ + ---------------------------------------
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Key | Function
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------ + ---------------------------------------
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? | Show help and config screen
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/ | Toggle between string and regex
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: | Toggle case-sensitivity
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^L | Clear filter (\fIif prompt is non-empty\fR)
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| OR apply last filter
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------ + ---------------------------------------
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.Ed
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.Pp
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Additional special keys at \fBempty filter prompt\fR
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in \fBtype-to-nav\fR mode:
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.Bd -literal
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------ + ------------------------
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Key | Function
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------ + ------------------------
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' | Go to first non-dir file
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+ | Toggle auto-advance
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, | Pin CWD
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- | Go to last visited dir
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. | Show hidden files
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; | Run a plugin by its key
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= | Launch a GUI application
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> | Export file list
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@ | Visit start dir
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] | Show command prompt
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` | Visit /
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~ | Go HOME
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------ + ------------------------
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.Ed
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.Pp
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Common regex use cases:
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.Pp
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(1) To list all matches starting with the filter expression,
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start the expression with a '^' (caret) symbol.
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.br
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(2) Type '\\.mkv' to list all MKV files.
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.br
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(3) Use '.*' to match any character (\fIsort of\fR fuzzy search).
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.br
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(4) Exclude filenames having 'nnn' (compiled with PCRE lib): '^(?!nnn)'
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.Pp
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In the \fItype-to-nav\fR mode directories are opened in filter
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mode, allowing continuous navigation.
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.br
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When there's a unique match and it's a directory,
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.Nm
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auto selects the directory and enters it in this mode. Use the relevant
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program option to disable this behaviour.
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.Sh SELECTION
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.Nm
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allows file selection across directories and contexts!
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.Pp
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There are 3 groups of keybinds to add files to selection:
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.Pp
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(1) hovered file selection toggle
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- deselects if '+' is visible before the entry, else adds to selection
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.br
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(2) add a range of files to selection
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- repeat the range key on the same entry twice to clear selection completely
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.br
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(3) add all files in the current directory to selection
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.Pp
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A selection can be edited, copied, moved, removed, archived or linked.
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.Pp
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Absolute paths of the selected files are copied to \fB.selection\fR file in
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the config directory. The selection file is shared between multiple program
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instances. The most recent instance writing to the file overwrites the entries
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from earlier writes. If you have 2 instances if
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.Nm
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\fIopen\fR in 2 panes of a terminal multiplexer, you can select in one pane and
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use the selection (e.g. to copy or move) in the other pane (if the instance
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doesn't have any local selection already).
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.Pp
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To edit the selection use the _edit selection_ key. Use this key to remove a
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file from selection after you navigate away from its directory. Editing doesn't
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end the selection mode. You can add more files to the selection and edit the
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list again. If no file is selected in the current session, this option attempts
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to list the selection file.
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.Sh LIST INPUT
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.Nm
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can receive a list of NUL-separated ('\\0') file paths as input. Paths and can
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be relative to the current directory or absolute.
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.Pp
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Input is limited by 65,536 paths or 256 MiB of input.
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.Pp
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Start
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.Nm
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in this mode by writing to its standard input. E.g., to list files in current
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directory larger than
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1M:
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.Bd -literal
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find -maxdepth 1 -size +1M -print0 | nnn
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.Ed
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.Pp
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or redirect a list from a file:
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.Bd -literal
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nnn < files.txt
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.Ed
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.Pp
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Handy bash/zsh shell function to list files by mime-type in current directory:
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.Bd -literal
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# to show video files, run: list video
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list ()
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{
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find . -maxdepth 1 | file -if- | grep "$1" | awk -F: '{printf "%s\0", $1}' | nnn
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}
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.Ed
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.Pp
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A temporary directory will be created containing symlinks to the given
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paths. Any action performed on these symlinks will be performed only on their
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targets, after which they might become invalid.
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.Pp
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Right arrow or 'l' on a symlink in the listing dir takes to the target file.
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Press '-' to return to the listing dir. Press 'Enter' to open the symlink.
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.Pp
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\fBInvalid paths in the input are ignored.\fR
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.Sh UNITS
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The minimum file size unit is byte (B). The rest are K, M, G, T, P, E, Z, Y
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(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 are
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used. A single combination of arguments is supported for SHELL and PAGER.
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.Pp
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\fBNNN_OPTS:\fR binary options to
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.Nm
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.Bd -literal
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export NNN_OPTS="cEnrx"
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.Ed
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.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=nuke
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NOTE: 'nuke' is a file opener available in the plugin repository.
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.Ed
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.Pp
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\fBNNN_BMS:\fR bookmark string as \fIkey_char:location\fR pairs
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separated by \fI;\fR:
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.Bd -literal
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export NNN_BMS='d:~/Documents;u:/home/user/Cam Uploads;D:~/Downloads/'
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.Ed
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.Pp
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\fBNNN_PLUG:\fR directly executable plugins as \fIkey_char:plugin\fR pairs
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separated by \fI;\fR:
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.Bd -literal
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export NNN_PLUG='f:finder;o:fzopen;p:mocplay;d:diffs;t:nmount;v:imgview'
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NOTES:
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1. To run a plugin directly, press \fI;\fR followed by the key.
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2. Alternatively, combine with \fIAlt\fR (i.e. \fIAlt+key\fR).
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3. To skip directory refresh after running a plugin, prefix with \fB-\fR.
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export NNN_PLUG='m:-mediainf'
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.Ed
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.Pp
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To assign keys to arbitrary non-background non-shell-interpreted cli
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commands and invoke like plugins, add \fI_\fR (underscore) before the
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command.
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.Bd -literal
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export NNN_PLUG='x:_chmod +x $nnn;g:_git log;s:_smplayer $nnn'
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NOTES:
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1. Use single quotes for $NNN_PLUG so $nnn is not interpreted
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2. $nnn should be the last argument (IF used)
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3. (Again) add \fB_\fR before the command
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4. To disable directory refresh after running a \fIcommand as plugin\fR,
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prefix with \fB-_\fR
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5. To skip user confirmation after command execution, suffix with \fB*\fR
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Note: Do not use \fB*\fR with programs those run and exit e.g. cat
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export NNN_PLUG='y:-_sync*'
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6. To run a \fIGUI app as plugin\fR, add a \fB|\fR after \fB_\fR
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export NNN_PLUG='m:-_|mousepad $nnn'
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EXAMPLES:
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----------------------------------- + -------------------------------------------------
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Key:Command | Description
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----------------------------------- + -------------------------------------------------
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g:-_git diff | Show git diff
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k:-_fuser -kiv $nnn* | Interactively kill process(es) using hovered file
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l:-_git log | Show git log
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n:-_vi /home/user/Dropbox/dir/note* | Take quick notes in a synced file/dir of notes
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p:-_less -iR $nnn* | Page through hovered file in less
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s:-_|smplayer -minigui $nnn | Play hovered media file, even unfinished download
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x:_chmod +x $nnn | Make the hovered file executable
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y:-_sync* | Flush cached writes
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----------------------------------- + -------------------------------------------------
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.Ed
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.Pp
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\fBNNN_COLORS:\fR string of color codes for each context, e.g.:
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.Bd -literal
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export NNN_COLORS='1234'
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codes: 0-black, 1-red, 2-green, 3-yellow, 4-blue (default), 5-magenta, 6-cyan, 7-white
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.Ed
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.Pp
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\fBNNN_ARCHIVE:\fR archive types to be handled silently (default: bzip2, (g)zip, tar).
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.Bd -literal
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export NNN_ARCHIVE="\\\\.(7z|bz2|gz|tar|tgz|zip)$"
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NOTE: Non-default formats may require a third-party utility.
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.Ed
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.Pp
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\fBNNN_SSHFS:\fR pass additional options to sshfs command:
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.Bd -literal
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export NNN_SSHFS='sshfs -o reconnect,idmap=user,cache_timeout=3600'
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NOTE: The options must be preceded by "sshfs" and comma-separated without any space between them.
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.Ed
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.Pp
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\fBNNN_RCLONE:\fR pass additional options to rclone command:
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.Bd -literal
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export NNN_RCLONE='rclone mount --read-only --no-checksum'
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NOTE: The options must be preceded by "rclone" and max 5 flags are supported.
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.Ed
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.Pp
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\fBNNN_TRASH:\fR trash (instead of \fIdelete\fR) files to desktop Trash.
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.Bd -literal
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export NNN_TRASH=1
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.Ed
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.Pp
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\fBNNN_SEL:\fR absolute path to custom selection file.
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.Pp
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\fBNNN_FIFO:\fR path of a named pipe to write the hovered file path:
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.Bd -literal
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export NNN_FIFO='/tmp/nnn.fifo'
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NOTES:
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1. Overriden by a temporary path with -a option.
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2. If the FIFO file doesn't exist it will be created, but not removed (unless it is generated by -a option).
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.Ed
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.Pp
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\fBNNN_LOCKER:\fR terminal locker program.
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.Bd -literal
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export NNN_LOCKER='bmon -p wlp1s0'
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export NNN_LOCKER='cmatrix'
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.Ed
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.Pp
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\fBNNN_MCLICK:\fR key emulated by a middle mouse click.
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.Bd -literal
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export NNN_MCLICK='^R'
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NOTE: Only the first character is considered if not a \fICtrl+key\fR combo.
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.Ed
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.Pp
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\fBnnn:\fR this is a special variable set to the hovered entry before executing
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a command from the command prompt or spawning a shell.
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.Pp
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\fBNO_COLOR:\fR disable ANSI color output (overridden by \fBNNN_COLORS\fR).
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.Sh KNOWN ISSUES
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.Nm
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may not handle keypresses correctly when used with tmux (see issue #104 for
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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 ,
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.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
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