scripts: further improve preview script
Switch to bash to utilize pattern matching.
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B0567C20730E9B11
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@ -7,6 +7,9 @@ set vicmd=nvim
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set quickview
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set previewoptions=graphicsdelay:50000,hardgraphicsclear
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" Don't wrap text in quickview
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set nowrap
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" This makes vifm perform file operations on its own instead of relying on
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" standard utilities like `cp`. While using `cp` and alike is a more universal
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" solution, it's also much slower when processing large amounts of files and
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@ -317,13 +320,18 @@ filetype *.mbox aerc %f
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" ------------------------------------------------------------------------------
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{% set preview_cmd = xdg_dir.libexec_dir ~ '/preview %c:p %pw %ph' -%}
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" Overwrite the image previewer
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fileviewer <image/vnd.djvu>,<image/x-djvu>
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\ {{ preview_cmd }} 2>/dev/null
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" https://www.arewesixelyet.com/
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if $TERM != 'alacritty'
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fileviewer <image/*>,<video/*>,<application/x-font*>,<font/*>
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\ {{ xdg_dir.libexec_dir }}/preview %c:p %pw %ph %pd %N 2>/dev/null
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\ {{ preview_cmd }} %pd %N 2>/dev/null
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endif
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fileviewer <*> {{ xdg_dir.libexec_dir }}/preview %c:p %pw %ph 2>/dev/null
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fileviewer <*> {{ preview_cmd }} 2>/dev/null
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" ------------------------------------------------------------------------------
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@ -1,4 +1,4 @@
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#!/bin/sh
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#!/bin/bash
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_cache_thumbnail() {
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thumbnail_dir="${XDG_CACHE_HOME:-$HOME/.cache}/thumbnails"
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@ -11,7 +11,16 @@ _cache_thumbnail() {
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ffmpegthumbnailer -i "$2" -o "$tmpfile" -s 0
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;;
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font)
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font_preview_text=$(printf "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s" 'ABCDEFGHIJKLM' 'NOPQRSTUVWXYZ' 'abcdefghijklm' 'nopqrstuvwxyz' '1234567890' '!@$\%<>(){}[]' '== != => <=' '愛してるおかえりなさい')
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read -r -d '' font_preview_text <<-EOF
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ABCDEFGHIJKLM
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NOPQRSTUVWXYZ
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abcdefghijklm
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nopqrstuvwxyz
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1234567890
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!@$\%<>(){}[]
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== != => <=
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愛してるおかえりなさい
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EOF
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convert -size 900x900 xc:"{{ colors.background }}" \
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-gravity center \
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-pointsize 40 \
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@ -28,11 +37,11 @@ _cache_thumbnail() {
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}
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_preview_markdown() {
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exec mdcat "$1" || glow -s ~/.config/glow/styles/{{ theme }}.json "$1" || lowdown -t term "$1"
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mdcat "$1" || glow -s ~/.config/glow/styles/{{ theme }}.json "$1" || lowdown -t term "$1"
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}
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_preview_image() {
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exec chafa --animate=off --polite=on --size="$2"x"$3" "$1" || exiftool "$1"
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chafa --animate=off --polite=on --size="$2"x"$3" "$1" || exiftool "$1"
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}
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_preview_video() {
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@ -49,67 +58,147 @@ WIDTH="$2"
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HEIGHT="$3"
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mimetype=$(file --dereference --brief --mime-type -- "$FILE")
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case "$mimetype" in
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inode/directory)
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# Don't preview the inode ../
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if [ -z "${FILE##*/..*}" ]; then
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echo ""
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else
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lsd -1FAL --group-dirs first --icon always --color always "$FILE"
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fi
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;;
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image/vnd.djvu*)
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djvutxt "$FILE" || exiftool "$FILE" ;;
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image/*)
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_preview_image "$FILE" "$WIDTH" "$HEIGHT" ;;
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video/*)
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_preview_video "$FILE" "$WIDTH" "$HEIGHT" ;;
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audio/*)
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exiftool "$FILE" || fprobe -hide_banner -pretty "$FILE" 2>&1 ;;
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font/*|application/x-font*)
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_preview_font "$FILE" "$WIDTH" "$HEIGHT" ;;
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application/pdf)
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mutool draw -F txt -i -- "$FILE" 1-10 || pdftotext -l 10 -nopgbrk -q -- "$FILE" - || exiftool "$FILE" ;;
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application/postscript)
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pstotext "$FILE" || ps2ascii "$FILE" ;;
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application/x-troff-man)
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man "$FILE" | col -b ;;
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application/vnd.oasis.opendocument.text*)
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odt2txt "$FILE" || (pandoc -s -t markdown -- "$FILE" | _preview_markdown -) ;;
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application/epub+zip|application/x-fictionbook+xml|application/vnd.openxmlformats-officedocument.wordprocessingml.document)
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pandoc -s -t markdown -- "$FILE" | _preview_markdown - ;;
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application/x-bittorrent)
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dumptorrent -v "$FILE" || transmission-show -- "$FILE" || exiftool "$FILE" ;;
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application/zip|application/zlib|application/java-archive)
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zip -sf "$FILE" || zipinfo "$FILE" || bsdtar -tf "$FILE" ;;
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application/x-tar*|application/*-compressed-tar)
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tar -tvf "$FILE" || bsdtar -tf "$FILE" ;;
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application/x-xz*|application/*-xz-compressed)
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xz --list "$FILE" || bsdtar -tf "$FILE" ;;
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application/vnd.rar|application/vnd.comicbook-rar)
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unrar lt -p- -- "$FILE" || bsdtar -tf "$FILE" ;;
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application/x-7z-compressed)
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7z l -p -- "$FILE" || bsdtar -tf "$FILE" ;;
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application/vnd.efi.iso|application/x-*-rom|application/x-compressed-iso)
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isoinfo -l -i "$FILE" || bsdtar -tf "$FILE" ;;
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application/zstd)
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zstd -l "$FILE" ;;
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application/x-cpio*)
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cpio -tF "$FILE" || bsdtar -tf "$FILE" ;;
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application/gzip)
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gzip -l "$FILE" ;;
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application/x-archive|application/x-xar|application/vnd.ms-cab-compressed|application/x-bzip*\
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|application/x-lzma|application/x-lzip|application/x-lha|application/x-lhz\
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|application/x-lzop|application/x-lz4|application/x-lrzip)
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bsdtar -tf "$FILE" ;;
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application/json*|application/geo+json|application/schema+json|application/ld+json)
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gojq -C . "$FILE" || jaq --color=always . "$FILE" || bat --style=plain --color=always "$FILE" || python3 -m json.tool -- "$FILE" ;;
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application/x-ipynb+json)
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notedown --from notebook "$FILE" --to markdown | _preview_markdown - ;;
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text/markdown)
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_preview_markdown "$FILE" ;;
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text/*|application/javascript|application/xhtml+xml)
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bat --style plain --color=always "$FILE" ;;
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*)
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exiftool "$FILE" || (echo '----- File Type Classification -----' && file --dereference --brief -- "$FILE") ;;
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esac
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filename="$(basename "$FILE")"
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if [[ $mimetype == inode/directory ]]; then
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# Don't preview the inode ../
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if [ -z "${FILE##*/..*}" ]; then
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echo ""
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else
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lsd -1FAL --group-dirs first --icon always --color always "$FILE"
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fi
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exit
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fi
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if [[ $filename == *.djvu ]] || [[ $mimetype == @(image/vnd.djvu*|image/x-djvu) ]]; then
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djvutxt "$FILE" || exiftool "$FILE"
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exit
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fi
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if [[ $mimetype == image/* ]]; then
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_preview_image "$FILE" "$WIDTH" "$HEIGHT"; exit
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fi
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if [[ $mimetype == video/* ]]; then
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_preview_video "$FILE" "$WIDTH" "$HEIGHT"; exit
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fi
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if [[ $mimetype == audio/* ]]; then
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fprobe -hide_banner -pretty "$FILE" 2>&1 || exiftool "$FILE"
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exit
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fi
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if [[ $mimetype == @(font/*|application/x-font*|application/vnd.ms-opentype) ]]; then
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_preview_font "$FILE" "$WIDTH" "$HEIGHT"; exit
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fi
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if [[ $mimetype == application/pdf ]]; then
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mutool draw -F txt -i -- "$FILE" 1-10 || pdftotext -l 10 -nopgbrk -q -- "$FILE" - || exiftool "$FILE"
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exit
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fi
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if [[ $mimetype == application/postscript ]]; then
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pstotext "$FILE" || ps2ascii "$FILE" || exiftool "$FILE"
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exit
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fi
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if [[ $mimetype == @(text/?(x-)troff|application/x-troff-*) ]]; then
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man "$FILE" | col -b
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exit
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fi
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if [[ $mimetype == application/vnd.oasis.opendocument.text* ]]; then
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odt2txt "$FILE" || (pandoc -s -t markdown -- "$FILE" | _preview_markdown -)
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exit
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fi
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if [[ $mimetype == application/epub+zip ]]; then
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epub2txt "$FILE" || exiftool "$FILE"
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exit
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fi
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if [[ $mimetype == @(application/x-fictionbook+xml|application/vnd.openxmlformats-officedocument.wordprocessingml.document) ]]; then
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pandoc -s -t markdown -- "$FILE" | _preview_markdown -
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exit
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fi
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if [[ $mimetype == application/x-bittorrent ]]; then
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dumptorrent -v "$FILE" || transmission-show -- "$FILE" || exiftool "$FILE"
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exit
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fi
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if [[ $mimetype == @(application/zip|application/zlib|application/java-archive|application/vnd.android.package-archive|application/x-zip*) ]]; then
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zip -sf "$FILE" || zipinfo "$FILE" || bsdtar -tf "$FILE"
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exit
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fi
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if [[ $filename == *.tar.zst ]] || [[ $mimetype == @(application/x-?(g)tar*|application/*-compressed-tar) ]]; then
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tar -tvf "$FILE" || bsdtar -tf "$FILE"
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exit
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fi
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if [[ $mimetype == @(application/zstd) ]]; then
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zstd -l "$FILE"; exit
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fi
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if [[ $mimetype == @(application/x-xz*|application/*-xz-compressed) ]]; then
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xz --list "$FILE" || bsdtar -tf "$FILE"
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exit
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fi
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if [[ $mimetype == @(application/vnd.rar|application/vnd.comicbook-rar|application/x-rar*) ]]; then
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unrar lt -p- -- "$FILE" || bsdtar -tf "$FILE"
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exit
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fi
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if [[ $mimetype == application/x-7z-compressed ]]; then
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7z l -p -- "$FILE" || bsdtar -tf "$FILE"
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exit
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fi
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if [[ $mimetype == @(application/vnd.efi.iso|application/x-*-rom|application/x-compressed-iso|application/x*-iso?(9660)-?(app)image) ]]; then
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isoinfo -l -i "$FILE" || bsdtar -tf "$FILE"
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exit
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fi
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if [[ $mimetype == application/x-cpio* ]]; then
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cpio -tF "$FILE" || bsdtar -tf "$FILE"
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exit
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fi
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if [[ $mimetype == application/?(x-)gzip ]]; then
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gzip -l "$FILE"; exit
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fi
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if [[ $mimetype == @(application/vnd.ms-cab-compressed|application/x-archive|application/?(x-)bzip*\
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|application/x-lzma|application/x-lzip|application/x-lha|application/x-lzh-compressed|application/x-lhz\
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|application/x-lzop|application/x-lz4|application/x-lrzip) ]]; then
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bsdtar -tf "$FILE"; exit
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fi
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if [[ $mimetype == application/x-ipynb+json ]]; then
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notedown --from notebook "$FILE" --to markdown | _preview_markdown -
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exit
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fi
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if [[ $mimetype == @(application/json*|application/*+json) ]]; then
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gojq -C . "$FILE" || jaq --color=always . "$FILE" || bat --style=plain --color=always "$FILE" || python3 -m json.tool -- "$FILE"
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exit
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fi
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if [[ $mimetype == text/plain ]] && [[ $filename == *.@(md|mkd|markdown) ]] || [[ $mimetype == text/markdown ]]; then
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_preview_markdown "$FILE"; exit
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fi
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if [[ $mimetype == @(text/*|application/javascript|application/xhtml+xml) ]]; then
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bat --style plain --color=always "$FILE"; exit
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fi
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# Try to get something out of exiftool
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# NOTE: exiftool always prints what it can retrieve to stdout, so suppress the message here
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metadata="$(exiftool "$FILE")"
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if ! (echo "$metadata" | awk -F':' '{print $1}' | grep -q '^Error'); then
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echo "$metadata"
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else
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echo '----- File Type Classification -----' && file --dereference --brief -- "$FILE"
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fi
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