TiynGER
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# File Manager |
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A file manager is a program to manage files on a computer. |
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There are many different programs to choose from. |
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- [ViFM](vifm.md) is a manager based on vim style and keybindings |
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# ViFM |
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[ViFM](https://vifm.info) is a file manager focussed on vim like usage. |
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## Image Previews with Ueberzug |
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This section is based on a |
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[video by Distrotube](https://www.youtube.com/watch?v=qgxsduCO1pE). |
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First you need to install [Ueberzug](https://github.com/seebye/ueberzug) |
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on your system. |
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After that you need to add 2 files to your path: |
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- vifmimg |
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- vifmrun |
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If you want to preview files vifmrun you will start vifmrun instead of vifm. |
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vifmrun: |
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```sh |
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#!/usr/bin/env bash |
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# by cirala, checkout github.com/cirala/vifmimg |
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export FIFO_UEBERZUG="/tmp/vifm-ueberzug-${PPID}" |
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if [ ! -f "/usr/bin/ueberzug" ]; then |
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vifm |
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exit |
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fi |
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function cleanup { |
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rm "$FIFO_UEBERZUG" 2>/dev/null |
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pkill -P $$ 2>/dev/null |
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} |
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pkill -P $$ 2>/dev/null |
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rm "$FIFO_UEBERZUG" 2>/dev/null |
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mkfifo "$FIFO_UEBERZUG" >/dev/null |
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trap cleanup EXIT 2>/dev/null |
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tail --follow "$FIFO_UEBERZUG" | ueberzug layer --silent --parser bash 2>&1 >/dev/null & |
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vifm "$@" |
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cleanup |
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``` |
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vifmimg: |
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```sh |
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#!/usr/bin/env bash |
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readonly ID_PREVIEW="preview" |
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#PLAY_GIF="yes" |
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# By enabling this option the GIF will be animated, by leaving it commented like it |
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# is now will make the gif previews behave the same way as video previews. |
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#AUTO_REMOVE="yes" |
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# By enabling this option the script will remove the preview file after it is drawn |
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# and by doing so the preview will always be up-to-date with the file. |
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# This however, requires more CPU and therefore affects the overall performance. |
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# The messy code below is for moving pages in pdf files in the vifm file preview by |
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# utilizing the < and > keys which will be bound to `vifmimg inc` or `vifmimg dec`. |
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# by cirala, checkout github.com/cirala/vifmimg |
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PDF_PAGE_CONFIG="$HOME/.config/vifm/vifmimgpdfpage" |
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PDF_FILE_CONFIG="$HOME/.config/vifm/vifmimgpdffile" |
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PDF_PAGE=1 |
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PDF_FILE="" |
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# Initialize the variables and required files |
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[[ -f "$PDF_PAGE_CONFIG" ]] && PDF_PAGE=$(cat $PDF_PAGE_CONFIG) || touch $PDF_PAGE_CONFIG |
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[[ -f "$PDF_FILE_CONFIG" ]] && PDF_FILE=$(cat $PDF_FILE_CONFIG) || touch $PDF_FILE_CONFIG |
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# Create temporary working directory if the directory structure doesn't exist |
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if [[ ! -d "/tmp$PWD/" ]]; then |
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mkdir -p "/tmp$PWD/" |
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fi |
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function inc() { |
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VAL="$(cat $PDF_PAGE_CONFIG)" |
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echo "$(expr $VAL + 1)" > $PDF_PAGE_CONFIG |
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} |
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function dec() { |
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VAL="$(cat $PDF_PAGE_CONFIG)" |
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echo "$(expr $VAL - 1)" > $PDF_PAGE_CONFIG |
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if [[ $VAL -le 0 ]]; then |
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echo 0 > $PDF_PAGE_CONFIG |
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fi |
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} |
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function previewclear() { |
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declare -p -A cmd=([action]=remove [identifier]="$ID_PREVIEW") \ |
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> "$FIFO_UEBERZUG" |
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} |
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function fileclean() { |
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if [[ -f "/tmp$PWD/$6.png" ]]; then |
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rm -f "/tmp$PWD/$6.png" |
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elif [[ -d "/tmp$PWD/$6/" ]]; then |
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rm -rf "/tmp$PWD/$6/" |
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fi |
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} |
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function preview() { |
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declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" |
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[x]="$2" [y]="$3" [width]="$4" [height]="$5" \ |
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[path]="$PWD/$6") \ |
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> "$FIFO_UEBERZUG" |
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} |
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function previewvideo() { |
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if [[ ! -f "/tmp$PWD/$6.png" ]]; then |
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ffmpegthumbnailer -i "$PWD/$6" -o "/tmp$PWD/$6.png" -s 0 -q 10 |
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fi |
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declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" |
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[x]="$2" [y]="$3" [width]="$4" [height]="$5" \ |
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[path]="/tmp$PWD/$6.png") \ |
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> "$FIFO_UEBERZUG" |
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} |
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function previewepub() { |
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if [[ ! -f "/tmp$PWD/$6.png" ]]; then |
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epub-thumbnailer "$6" "/tmp$PWD/$6.png" 1024 |
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fi |
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declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" |
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[x]="$2" [y]="$3" [width]="$4" [height]="$5" \ |
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[path]="/tmp$PWD/$6.png") \ |
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> "$FIFO_UEBERZUG" |
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} |
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function previewaudio() { |
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if [[ ! -f "/tmp${PWD}/$6.png" ]]; then |
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ffmpeg -i "$6" "/tmp${PWD}/$6.png" -y &> /dev/null |
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fi |
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declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" |
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[x]="$2" [y]="$3" [width]="$4" [height]="$5" \ |
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[path]="/tmp${PWD}/$6.png") \ |
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> "$FIFO_UEBERZUG" |
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} |
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function previewgif() { |
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if [[ ! -d "/tmp$PWD/$6/" ]]; then |
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mkdir -p "/tmp$PWD/$6/" |
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convert -coalesce "$PWD/$6" "/tmp$PWD/$6/$6.png" |
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fi |
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if [[ ! -z "$PLAY_GIF" ]]; then |
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for frame in $(ls -1 /tmp$PWD/$6/$6*.png | sort -V); do |
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declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" |
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[x]="$2" [y]="$3" [width]="$4" [height]="$5" \ |
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[path]="$frame") \ |
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> "$FIFO_UEBERZUG" |
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# Sleep between frames to make the animation smooth. |
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sleep .07 |
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done |
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else |
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declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" |
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[x]="$2" [y]="$3" [width]="$4" [height]="$5" \ |
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[path]="/tmp$PWD/$6/$6-0.png") \ |
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> "$FIFO_UEBERZUG" |
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fi |
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} |
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function previewpdf() { |
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if [[ ! "$6" == "$PDF_FILE" ]]; then |
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PDF_PAGE=1 |
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echo 1 > $PDF_PAGE_CONFIG |
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rm -f "/tmp$PWD/$6.png" |
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fi |
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if [[ ! "$PDF_PAGE" == "1" ]] && [[ -f "/tmp$PWD/$6.png" ]]; then |
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rm -f "/tmp$PWD/$6.png" |
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fi |
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if [[ ! -f "/tmp$PWD/$6.png" ]]; then |
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pdftoppm -png -f $PDF_PAGE -singlefile "$6" "/tmp$PWD/$6" |
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fi |
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echo "$6" > $PDF_FILE_CONFIG |
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declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" |
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[x]="$2" [y]="$3" [width]="$4" [height]="$5" \ |
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[path]="/tmp$PWD/$6.png") \ |
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> "$FIFO_UEBERZUG" |
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} |
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function previewmagick() { |
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if [[ ! -f "/tmp$PWD/$6.png" ]]; then |
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convert -thumbnail $(identify -format "%wx%h" "$6") "$PWD/$6" "/tmp$PWD/$6.png" |
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fi |
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declare -p -A cmd=([action]=add [identifier]="$ID_PREVIEW" |
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[x]="$2" [y]="$3" [width]="$4" [height]="$5" \ |
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[path]="/tmp$PWD/$6.png") \ |
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> "$FIFO_UEBERZUG" |
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} |
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function main() { |
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case "$1" in |
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"inc") inc "$@" ;; |
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"dec") dec "$@" ;; |
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"clear") previewclear "$@" ;; |
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"clean") fileclean "$@" ;; |
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"draw") preview "$@" ;; |
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"videopreview") previewvideo "$@" ;; |
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"epubpreview") previewepub "$@" ;; |
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"gifpreview") previewgif "$@" ;; |
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"pdfpreview") previewpdf "$@" ;; |
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"magickpreview") previewmagick "$@" ;; |
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"audiopreview") previewaudio "$@" ;; |
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"*") echo "Unknown command: '$@'" ;; |
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esac |
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} |
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main "$@" |
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``` |
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