preview-tui (19503B)
1 #!/usr/bin/env bash 2 3 # Description: Terminal based file previewer 4 # 5 # Note: This plugin needs a "NNN_FIFO" to work. See man. 6 # 7 # Dependencies: 8 # - Supports 6 independent methods to preview with: 9 # - tmux (>=3.0), or 10 # - kitty with allow_remote_control and listen_on set in kitty.conf, or 11 # - wezterm (https://wezfurlong.org/wezterm), or 12 # - QuickLook on WSL (https://github.com/QL-Win/QuickLook), or 13 # - Windows Terminal (https://github.com/Microsoft/Terminal | https://aka.ms/terminal) with WSL, or 14 # - $NNN_TERMINAL set to a terminal (it's xterm by default). 15 # - less or $NNN_PAGER 16 # - tree or exa or (GNU) ls 17 # - mediainfo or file 18 # - mktemp 19 # - unzip 20 # - tar 21 # - man 22 # - optional: bsdtar or atool for additional archive preview 23 # - optional: bat for code syntax highlighting 24 # - optional: ueberzug, kitty terminal, wezterm terminal, viu, catimg or chafa for images 25 # - optional: convert(ImageMagick) for playing gif preview (required for kitty image previews) 26 # - optional: ffmpegthumbnailer for video thumbnails (https://github.com/dirkvdb/ffmpegthumbnailer) 27 # - optional: ffmpeg for audio thumbnails 28 # - optional: libreoffce for opendocument/officedocument preview 29 # - optional: pdftoppm(poppler) for pdf thumbnails 30 # - optional: gnome-epub-thumbnailer for epub thumbnails (https://gitlab.gnome.org/GNOME/gnome-epub-thumbnailer) 31 # - optional: fontpreview for font preview (https://github.com/sdushantha/fontpreview) 32 # - optional: djvulibre for djvu 33 # - optional: glow or lowdown for markdown 34 # - optional: w3m or lynx or elinks for html 35 # - optional: set/export NNN_ICONLOOKUP as 1 to enable file icons in front of directory previews with .iconlookup 36 # Icons and colors are configurable in .iconlookup 37 # - optional: scope.sh file viewer from ranger. 38 # 1. drop scope.sh executable in $PATH 39 # 2. set/export $NNN_SCOPE as 1 40 # - optional: pistol file viewer (https://github.com/doronbehar/pistol). 41 # 1. install pistol 42 # 2. set/export $NNN_PISTOL as 1 43 # 44 # Usage: 45 # You need to set a NNN_FIFO path and a key for the plugin with NNN_PLUG, 46 # then start `nnn`: 47 # 48 # $ nnn -a 49 # 50 # or 51 # 52 # $ NNN_FIFO=/tmp/nnn.fifo nnn 53 # 54 # Then launch the `preview-tui` plugin in `nnn`. 55 # 56 # If you provide the same NNN_FIFO to all nnn instances, there will be a 57 # single common preview window. If you provide different FIFO path (e.g. 58 # with -a), they will be independent. 59 # 60 # The previews will be shown in a tmux split. If that isn't possible, it 61 # will try to use a kitty terminal split. And as a final fallback, a 62 # different terminal window will be used ($NNN_TERMINAL). 63 # 64 # Kitty users need something similar to the following in their kitty.conf: 65 # - `allow_remote_control yes` 66 # - `listen_on unix:$TMPDIR/kitty` 67 # - `enabled_layouts splits` (optional) 68 # With ImageMagick installed, this terminal can use the icat kitten to display images. 69 # Refer to kitty documentation for further details. 70 # 71 # Wezterm should work out of the box. If `NNN_PREVIEWIMGPROG` is not specified it will use 72 # built in iTerm2 image protocol. 73 # 74 # Note that GNU ls is used for its `--group-directories-first` flag. 75 # On MacOS this may be installed with `brew install coreutils`, or the flag can be removed. 76 # iTerm2 users are recommended to use viu to view images without getting pixelated. 77 # 78 # Windows Terminal users can set "Profile termination behavior" under "Profile > Advanced" settings 79 # to automatically close pane on quit when exit code is 0. 80 # 81 # When specifying a different terminal, additional arguments are supported. In particular, you can 82 # append a specific title to the terminal and set it to "nofocus" in your WM config. 83 # E.g for alacritty and i3, you can set $NNN_TERMINAL to 'alacritty --title preview-tui' and add 84 # 'no_focus [title="preview-tui"]' to your i3 config file. 85 # 86 # Shell: Bash (for environment manipulation through arrays) 87 # Authors: Todd Yamakawa, Léo Villeveygoux, @Recidiviste, Mario Ortiz Manero, Luuk van Baal, @WanderLanz 88 89 NNN_SPLIT=${NNN_SPLIT:-} # Set permanent split direction 90 NNN_TERMINAL=${NNN_TERMINAL:-} # Set external terminal to be used 91 NNN_SPLITSIZE=${NNN_SPLITSIZE:-50} # Set previewer split size percentage 92 TMPDIR=${TMPDIR:-/tmp} 93 NNN_PARENT=${NNN_FIFO#*.} 94 [ "$NNN_PARENT" -eq "$NNN_PARENT" ] 2>/dev/null || NNN_PARENT="" # Make empty if non-numeric 95 ENVVARS=( 96 "PWD=$PWD" 97 "PATH=$PATH" 98 "NNN_FIFO=$NNN_FIFO" 99 "NNN_SCOPE=${NNN_SCOPE:-0}" 100 "NNN_PISTOL=${NNN_PISTOL:-0}" 101 "NNN_ICONLOOKUP=${NNN_ICONLOOKUP:-0}" 102 "NNN_PAGER=${NNN_PAGER:-less -P?n -R -C}" 103 "NNN_BATTHEME=${NNN_BATTHEME:-ansi}" 104 "NNN_BATSTYLE=${NNN_BATSTYLE:-numbers}" 105 "NNN_PREVIEWWIDTH=${NNN_PREVIEWWIDTH:-1920}" 106 "NNN_PREVIEWHEIGHT=${NNN_PREVIEWHEIGHT:-1080}" 107 "NNN_PREVIEWDIR=${NNN_PREVIEWDIR:-$TMPDIR/nnn/previews}" 108 "NNN_PREVIEWIMGPROG=${NNN_PREVIEWIMGPROG:-}" 109 "FIFOPID=$TMPDIR/nnn-preview-tui-fifopid.$NNN_PARENT" 110 "FIFOPATH=$TMPDIR/nnn-preview-tui-fifo.$NNN_PARENT" 111 "PREVIEWPID=$TMPDIR/nnn-preview-tui-previewpid.$NNN_PARENT" 112 "CURSEL=$TMPDIR/nnn-preview-tui-selection.$NNN_PARENT" 113 "FIFO_UEBERZUG=$TMPDIR/nnn-preview-tui-ueberzug-fifo.$NNN_PARENT" 114 "POSOFFSET=$TMPDIR/nnn-preview-tui-posoffset" 115 ) 116 117 trap '' PIPE 118 exists() { type "$1" >/dev/null 2>&1 ;} 119 pkill() { command pkill "$@" >/dev/null 2>&1 ;} 120 prompt() { clear; printf "%b" "$@"; cfg=$(stty -g); stty raw -echo; head -c 1; stty "$cfg" ;} 121 pidkill() { 122 if [ -f "$1" ]; then 123 PID="$(cat "$1" 2>/dev/null)" || return 1 124 kill "$PID" >/dev/null 2>&1 125 RET=$? 126 wait "$PID" 2>/dev/null 127 return $RET 128 fi 129 return 1 130 } 131 132 start_preview() { 133 if [ -e "${TMUX%%,*}" ] && tmux -V | grep -q '[ -][3456789]\.'; then 134 NNN_TERMINAL=tmux 135 elif [ -n "$KITTY_LISTEN_ON" ]; then 136 NNN_TERMINAL=kitty 137 elif [ -n "$WEZTERM_PANE" ]; then 138 NNN_TERMINAL=wezterm 139 elif [ -z "$NNN_TERMINAL" ] && [ "$TERM_PROGRAM" = "iTerm.app" ]; then 140 NNN_TERMINAL=iterm 141 elif [ -n "$WT_SESSION" ]; then 142 NNN_TERMINAL=winterm 143 else 144 NNN_TERMINAL="${NNN_TERMINAL:-xterm}" 145 fi 146 147 if [ -z "$NNN_SPLIT" ] && [ $(($(tput lines) * 2)) -gt "$(tput cols)" ]; then 148 NNN_SPLIT='h' 149 elif [ "$NNN_SPLIT" != 'h' ]; then 150 NNN_SPLIT='v' 151 fi 152 153 ENVVARS+=("NNN_TERMINAL=$NNN_TERMINAL" "NNN_SPLIT=$NNN_SPLIT" "QLPATH=$2" "PREVIEW_MODE=1") 154 case "$NNN_TERMINAL" in 155 iterm|winterm) # need run in separate shell command: escape 156 ENVVARS=("${ENVVARS[@]/#/\\\"}") 157 ENVVARS=("${ENVVARS[@]/%/\\\"}") 158 command="$SHELL -c 'env ${ENVVARS[*]} \\\"$0\\\" \\\"$1\\\"'" ;; 159 esac 160 161 case "$NNN_TERMINAL" in 162 tmux) # tmux splits are inverted 163 ENVVARS=("${ENVVARS[@]/#/-e}") 164 if [ "$NNN_SPLIT" = "v" ]; then split="h"; else split="v"; fi 165 tmux split-window "${ENVVARS[@]}" -d"$split" -p"$NNN_SPLITSIZE" "$0" "$1" ;; 166 kitty) # Setting the layout for the new window. It will be restored after the script ends. 167 ENVVARS=("${ENVVARS[@]/#/--env=}") 168 kitty @ goto-layout splits 169 # Trying to use kitty's integrated window management as the split window. 170 kitty @ launch --no-response --title "preview-tui" --keep-focus \ 171 --cwd "$PWD" "${ENVVARS[@]}" --location "${NNN_SPLIT}split" "$0" "$1" ;; 172 wezterm) 173 export "${ENVVARS[@]}" 174 if [ "$NNN_SPLIT" = "v" ]; then split="--horizontal"; else split="--bottom"; fi 175 wezterm cli split-pane --cwd "$PWD" $split --percent "$NNN_SPLITSIZE" "$0" "$1" >/dev/null 176 wezterm cli activate-pane-direction Prev ;; 177 iterm) 178 if [ "$NNN_SPLIT" = "h" ]; then split="horizontally"; else split="vertically"; fi 179 osascript <<-EOF 180 tell application "iTerm" 181 tell current session of current window 182 split $split with default profile command "$command" 183 end tell 184 end tell 185 EOF 186 ;; 187 winterm) 188 if [ "$NNN_SPLIT" = "h" ]; then split="H"; else split="V"; fi 189 wt -w 0 sp -$split -s"0.$NNN_SPLITSIZE" "$command" \; -w 0 mf previous 2>/dev/null ;; 190 *) if [ -n "$2" ]; then 191 env "${ENVVARS[@]}" QUICKLOOK=1 "$0" "$1" & 192 else 193 # shellcheck disable=SC2086 # (allow arguments) 194 env "${ENVVARS[@]}" $NNN_TERMINAL -e "$0" "$1" & 195 fi ;; 196 esac 197 } 198 199 toggle_preview() { 200 export "${ENVVARS[@]}" 201 if exists QuickLook.exe; then 202 QLPATH="QuickLook.exe" 203 elif exists Bridge.exe; then 204 QLPATH="Bridge.exe" 205 fi 206 if pidkill "$FIFOPID"; then 207 [ -p "$NNN_PPIPE" ] && printf "0" > "$NNN_PPIPE" 208 pidkill "$PREVIEWPID" 209 pkill -f "tail --follow $FIFO_UEBERZUG" 210 if [ -n "$QLPATH" ] && stat "$1"; then 211 f="$(wslpath -w "$1")" && "$QLPATH" "$f" & 212 fi 213 else 214 [ -p "$NNN_PPIPE" ] && printf "1" > "$NNN_PPIPE" 215 start_preview "$1" "$QLPATH" 216 fi 217 } 218 219 fifo_pager() { 220 cmd="$1" 221 shift 222 223 # We use a FIFO to access $NNN_PAGER PID in jobs control 224 mkfifo "$FIFOPATH" || return 225 226 $NNN_PAGER < "$FIFOPATH" & 227 printf "%s" "$!" > "$PREVIEWPID" 228 229 ( 230 exec > "$FIFOPATH" 231 if [ "$cmd" = "pager" ]; then 232 if exists bat; then 233 bat --terminal-width="$cols" --decorations=always --color=always \ 234 --paging=never --style="$NNN_BATSTYLE" --theme="$NNN_BATTHEME" "$@" & 235 else 236 $NNN_PAGER "$@" & 237 fi 238 else 239 "$cmd" "$@" & 240 fi 241 ) 242 243 rm "$FIFOPATH" 244 } 245 246 # Binary file: show file info inside the pager 247 print_bin_info() { 248 printf -- "-------- \033[1;31mBinary file\033[0m --------\n" 249 if exists mediainfo; then 250 mediainfo "$1" 251 else 252 file -b "$1" 253 fi 254 } 255 256 handle_mime() { 257 case "$2" in 258 image/jpeg) image_preview "$cols" "$lines" "$1" ;; 259 image/gif) generate_preview "$cols" "$lines" "$1" "gif" ;; 260 image/vnd.djvu) generate_preview "$cols" "$lines" "$1" "djvu" ;; 261 image/*) generate_preview "$cols" "$lines" "$1" "image" ;; 262 video/*) generate_preview "$cols" "$lines" "$1" "video" ;; 263 audio/*) generate_preview "$cols" "$lines" "$1" "audio" ;; 264 application/font*|application/*opentype|font/*) generate_preview "$cols" "$lines" "$1" "font" ;; 265 */*office*|*/*document*|*/*msword|*/*ms-excel) generate_preview "$cols" "$lines" "$1" "office" ;; 266 application/zip) fifo_pager unzip -l "$1" ;; 267 text/troff) 268 if exists man; then 269 fifo_pager man -Pcat -l "$1" 270 else 271 fifo_pager pager "$1" 272 fi ;; 273 *) handle_ext "$1" "$3" "$4" ;; 274 esac 275 } 276 277 handle_ext() { 278 case "$2" in 279 epub) generate_preview "$cols" "$lines" "$1" "epub" ;; 280 pdf) generate_preview "$cols" "$lines" "$1" "pdf" ;; 281 gz|bz2) fifo_pager tar -tvf "$1" ;; 282 md) if exists glow; then 283 fifo_pager glow -s dark "$1" 284 elif exists lowdown; then 285 fifo_pager lowdown -Tterm "$1" 286 else 287 fifo_pager pager "$1" 288 fi ;; 289 htm|html|xhtml) 290 if exists w3m; then 291 fifo_pager w3m "$1" 292 elif exists lynx; then 293 fifo_pager lynx "$1" 294 elif exists elinks; then 295 fifo_pager elinks "$1" 296 else 297 fifo_pager pager "$1" 298 fi ;; 299 7z|a|ace|alz|arc|arj|bz|cab|cpio|deb|jar|lha|lz|lzh|lzma|lzo\ 300 |rar|rpm|rz|t7z|tar|tbz|tbz2|tgz|tlz|txz|tZ|tzo|war|xpi|xz|Z) 301 if exists atool; then 302 fifo_pager atool -l "$1" 303 elif exists bsdtar; then 304 fifo_pager bsdtar -tvf "$1" 305 fi ;; 306 *) if [ "$3" = "bin" ]; then 307 fifo_pager print_bin_info "$1" 308 else 309 fifo_pager pager "$1" 310 fi ;; 311 esac 312 } 313 314 preview_file() { 315 clear 316 # Trying to use pistol if it's available. 317 if [ "$NNN_PISTOL" -ne 0 ] && exists pistol; then 318 fifo_pager pistol "$1" 319 return 320 fi 321 322 # Trying to use scope.sh if it's available. 323 if [ "$NNN_SCOPE" -ne 0 ] && exists scope.sh; then 324 fifo_pager scope.sh "$1" "$cols" "$lines" "$(mktemp -d)" "True" 325 return 326 fi 327 328 # Use QuickLook if it's available. 329 if [ -n "$QUICKLOOK" ]; then 330 stat "$1" && f="$(wslpath -w "$1")" && "$QLPATH" "$f" & 331 return 332 fi 333 334 # Detecting the exact type of the file: the encoding, mime type, and extension in lowercase. 335 encoding="$(file -bL --mime-encoding -- "$1")" 336 mimetype="$(file -bL --mime-type -- "$1")" 337 ext="${1##*.}" 338 [ -n "$ext" ] && ext="$(printf "%s" "${ext}" | tr '[:upper:]' '[:lower:]')" 339 lines=$(tput lines) 340 cols=$(tput cols) 341 342 # Otherwise, falling back to the defaults. 343 if [ -d "$1" ]; then 344 cd "$1" || return 345 if [ "$NNN_ICONLOOKUP" -ne 0 ] && [ -f "$(dirname "$0")"/.iconlookup ]; then 346 [ "$NNN_SPLIT" = v ] && BSTR="\n" 347 # shellcheck disable=SC2012 348 ls -F --group-directories-first | head -n "$((lines - 3))" | "$(dirname "$0")"/.iconlookup -l "$cols" -B "$BSTR" -b " " 349 elif exists tree; then 350 fifo_pager tree --filelimit "$(find . -maxdepth 1 | wc -l)" -L 3 -C -F --dirsfirst --noreport 351 elif exists exa; then 352 exa -G --group-directories-first --colour=always 353 else 354 fifo_pager ls -F --group-directories-first --color=always 355 fi 356 cd .. 357 elif [ "${encoding#*)}" = "binary" ]; then 358 handle_mime "$1" "$mimetype" "$ext" "bin" 359 else 360 handle_mime "$1" "$mimetype" "$ext" 361 fi 362 } 363 364 generate_preview() { 365 if [ -n "$QLPATH" ] && stat "$3"; then 366 f="$(wslpath -w "$3")" && "$QLPATH" "$f" & 367 elif [ ! -f "$NNN_PREVIEWDIR/$3.jpg" ] || [ -n "$(find -L "$3" -newer "$NNN_PREVIEWDIR/$3.jpg")" ]; then 368 mkdir -p "$NNN_PREVIEWDIR/${3%/*}" 369 case $4 in 370 audio) ffmpeg -i "$3" -filter_complex "scale=iw*min(1\,min($NNN_PREVIEWWIDTH/iw\,ih)):-1" "$NNN_PREVIEWDIR/$3.jpg" -y ;; 371 epub) gnome-epub-thumbnailer "$3" "$NNN_PREVIEWDIR/$3.jpg" ;; 372 font) fontpreview -i "$3" -o "$NNN_PREVIEWDIR/$3.jpg" ;; 373 gif) if [ -p "$FIFO_UEBERZUG" ] && exists convert; then 374 frameprefix="$NNN_PREVIEWDIR/$3/${3##*/}" 375 if [ ! -d "$NNN_PREVIEWDIR/$3" ]; then 376 mkdir -p "$NNN_PREVIEWDIR/$3" 377 convert -coalesce -resize "$NNN_PREVIEWWIDTH"x"$NNN_PREVIEWHEIGHT"\> "$3" "$frameprefix.jpg" || 378 MAGICK_TMPDIR="/tmp" convert -coalesce -resize "$NNN_PREVIEWWIDTH"x"$NNN_PREVIEWHEIGHT"\> "$3" "$frameprefix.jpg" 379 fi 380 frames=$(($(find "$NNN_PREVIEWDIR/$3" | wc -l) - 2)) 381 [ $frames -lt 0 ] && return 382 while true; do 383 for i in $(seq 0 $frames); do 384 image_preview "$1" "$2" "$frameprefix-$i.jpg" 385 sleep 0.1 386 done 387 done & 388 printf "%s" "$!" > "$PREVIEWPID" 389 return 390 else 391 image_preview "$1" "$2" "$3" 392 return 393 fi ;; 394 image) if exists convert; then 395 convert "$3" -flatten -resize "$NNN_PREVIEWWIDTH"x"$NNN_PREVIEWHEIGHT"\> "$NNN_PREVIEWDIR/$3.jpg" 396 else 397 image_preview "$1" "$2" "$3" && return 398 fi ;; 399 office) libreoffice --convert-to jpg "$3" --outdir "$NNN_PREVIEWDIR/${3%/*}" 400 filename="$(printf "%s" "${3##*/}" | cut -d. -f1)" 401 mv "$NNN_PREVIEWDIR/${3%/*}/$filename.jpg" "$NNN_PREVIEWDIR/$3.jpg" ;; 402 pdf) pdftoppm -jpeg -f 1 -singlefile "$3" "$NNN_PREVIEWDIR/$3" ;; 403 djvu) ddjvu -format=ppm -page=1 "$3" "$NNN_PREVIEWDIR/$3.jpg" ;; 404 video) ffmpegthumbnailer -m -s0 -i "$3" -o "$NNN_PREVIEWDIR/$3.jpg" || rm "$NNN_PREVIEWDIR/$3.jpg" ;; 405 esac 406 fi 407 if [ -f "$NNN_PREVIEWDIR/$3.jpg" ]; then 408 image_preview "$1" "$2" "$NNN_PREVIEWDIR/$3.jpg" 409 else 410 fifo_pager print_bin_info "$3" 411 fi 412 } >/dev/null 2>&1 413 414 image_preview() { 415 clear 416 exec >/dev/tty 417 if [ "$NNN_TERMINAL" = "kitty" ] && [ -z "$NNN_PREVIEWIMGPROG" ]; then 418 kitty +kitten icat --silent --scale-up --place "$1"x"$2"@0x0 --transfer-mode=stream --stdin=no "$3" & 419 elif [ "$NNN_TERMINAL" = "wezterm" ] && [ -z "$NNN_PREVIEWIMGPROG" ]; then 420 wezterm imgcat "$3" & 421 elif exists ueberzug && { [ -z "$NNN_PREVIEWIMGPROG" ] || [ "$NNN_PREVIEWIMGPROG" = "ueberzug" ] ;}; then 422 ueberzug_layer "$1" "$2" "$3" && return 423 elif exists catimg && { [ -z "$NNN_PREVIEWIMGPROG" ] || [ "$NNN_PREVIEWIMGPROG" = "catimg" ] ;}; then 424 catimg "$3" & 425 elif exists viu && { [ -z "$NNN_PREVIEWIMGPROG" ] || [ "$NNN_PREVIEWIMGPROG" = "viu" ] ;}; then 426 viu -t "$3" & 427 elif exists chafa && { [ -z "$NNN_PREVIEWIMGPROG" ] || [ "$NNN_PREVIEWIMGPROG" = "chafa" ] ;}; then 428 chafa "$3" & 429 else 430 fifo_pager print_bin_info "$3" && return 431 fi 432 printf "%s" "$!" > "$PREVIEWPID" 433 } 434 435 ueberzug_layer() { 436 [ -f "$POSOFFSET" ] && read -r x y < "$POSOFFSET" 437 printf '{"action": "add", "identifier": "nnn_ueberzug", "x": %d, "y": %d, "width": "%d", "height": "%d", "scaler": "fit_contain", "path": "%s"}\n'\ 438 "${x:-0}" "${y:-0}" "$1" "$2" "$3" > "$FIFO_UEBERZUG" 439 } 440 441 ueberzug_remove() { 442 printf '{"action": "remove", "identifier": "nnn_ueberzug"}\n' > "$FIFO_UEBERZUG" 443 } 444 445 winch_handler() { 446 clear 447 pidkill "$PREVIEWPID" 448 if [ -p "$FIFO_UEBERZUG" ]; then 449 pkill -f "tail --follow $FIFO_UEBERZUG" 450 tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser json & 451 fi 452 preview_file "$(cat "$CURSEL")" 453 } 454 455 preview_fifo() { 456 while read -r selection; do 457 if [ -n "$selection" ]; then 458 pidkill "$PREVIEWPID" 459 [ -p "$FIFO_UEBERZUG" ] && ueberzug_remove 460 [ "$selection" = "close" ] && break 461 preview_file "$selection" 462 printf "%s" "$selection" > "$CURSEL" 463 fi 464 done < "$NNN_FIFO" 465 sleep 0.1 # make sure potential preview by winch_handler is killed 466 pkill -P "$$" 467 } 468 469 if [ "$PREVIEW_MODE" -eq 1 ] 2>/dev/null; then 470 if [ "$NNN_TERMINAL" != "kitty" ] && exists ueberzug; then 471 mkfifo "$FIFO_UEBERZUG" 472 tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser json & 473 fi 474 475 preview_file "$PWD/$1" 476 preview_fifo & 477 printf "%s" "$!" > "$FIFOPID" 478 printf "%s" "$PWD/$1" > "$CURSEL" 479 trap 'winch_handler; wait' WINCH 480 trap 'rm "$PREVIEWPID" "$CURSEL" "$FIFO_UEBERZUG" "$FIFOPID" "$POSOFFSET" 2>/dev/null' INT HUP EXIT 481 wait "$!" 2>/dev/null 482 exit 0 483 else 484 if [ ! -r "$NNN_FIFO" ]; then 485 prompt "No FIFO available! (\$NNN_FIFO='$NNN_FIFO')\nPlease read Usage in '$0'." 486 elif [ "$KITTY_WINDOW_ID" ] && [ -z "$TMUX" ] && [ -z "$KITTY_LISTEN_ON" ]; then 487 prompt "\$KITTY_LISTEN_ON not set!\nPlease read Usage in '$0'." 488 else 489 toggle_preview "$1" & 490 fi 491 fi