80 lines
3.3 KiB
Bash
Executable File
80 lines
3.3 KiB
Bash
Executable File
#!/bin/sh
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# File preview handler for lf.
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# requirements:
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# - horriblename/lf (https://github.com/horriblename/lf)
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# - chafa
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# - gnome-kra-ora-thumbnailer
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# - gnome-epub-thumbnailer
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# - webp-pixbuf-loader
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# - bat
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# - mediainfo
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# - ffmpegthumbnailer
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# - poppler
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# - atool
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# - odt2txt
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# - gpg
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set -C -f
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IFS="$(printf '%b_' '\n')"; IFS="${IFS%_}"
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# Note that the cache file name is a function of file information, meaning if
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# an image appears in multiple places across the machine, it will not have to
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# be regenerated once seen.
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case "$(printf "%s\n" "$1" | awk '{print tolower($0)}')" in
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*.kra|*.krz)
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CACHE="${XDG_CACHE_HOME:-$HOME/.cache}/lf/thumb.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | cut -d' ' -f1)"
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[ ! -f "$CACHE.jpg" ] && gnome-kra-thumbnailer -s 1024 "$1" "$CACHE.jpg"
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chafa "$CACHE.jpg" -f sixel -s "$(($2-2))x$(($3-2))" | sed 's/#/\n#/g'
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exit 0
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;;
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*.ora)
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CACHE="${XDG_CACHE_HOME:-$HOME/.cache}/lf/thumb.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | cut -d' ' -f1)"
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[ ! -f "$CACHE.jpg" ] && gnome-openraster-thumbnailer -s 1024 "$1" "$CACHE.jpg"
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chafa "$CACHE.jpg" -f sixel -s "$(($2-2))x$(($3-2))" | sed 's/#/\n#/g'
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exit 0
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;;
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*.cbz|*.cbr|*.cbt)
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CACHE="${XDG_CACHE_HOME:-$HOME/.cache}/lf/thumb.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | cut -d' ' -f1)"
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[ ! -f "$CACHE.jpg" ] && comicthumb "$1" "$CACHE.jpg" 768
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chafa "$CACHE.jpg" -f sixel -s "$(($2-2))x$(($3-2))" | sed 's/#/\n#/g'
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exit 0
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;;
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esac
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case "$(file --dereference --brief --mime-type -- "$1")" in
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image/gif|image/webp)
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CACHE="${XDG_CACHE_HOME:-$HOME/.cache}/lf/thumb.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | cut -d' ' -f1)"
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[ ! -f "$CACHE.jpg" ] && gdk-pixbuf-thumbnailer -s 1024 "$1" "$CACHE.jpg"
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chafa "$CACHE.jpg" -f sixel -s "$(($2-2))x$(($3-2))" | sed 's/#/\n#/g'
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mediainfo "$1";;
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image/*) chafa "$1" -f sixel -s "$(($2-2))x$(($3-2))" | sed 's/#/\n#/g'
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mediainfo "$1";;
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text/html) lynx -width="$4" -display_charset=utf-8 -dump "$1" ;;
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text/troff) man ./ "$1" | col -b ;;
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text/* | */xml | application/json) bat -p --terminal-width "$(($4-2))" -f "$1" ;;
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audio/* | application/octet-stream) mediainfo "$1" || exit 1 ;;
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video/* )
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CACHE="${XDG_CACHE_HOME:-$HOME/.cache}/lf/thumb.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | cut -d' ' -f1)"
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[ ! -f "$CACHE" ] && ffmpegthumbnailer -i "$1" -o "$CACHE" -s 0
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chafa "$CACHE" -f sixel -s "$(($2-2))x$(($3-2))" | sed 's/#/\n#/g'
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mediainfo "$1"
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;;
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*/pdf)
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CACHE="${XDG_CACHE_HOME:-$HOME/.cache}/lf/thumb.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | cut -d' ' -f1)"
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[ ! -f "$CACHE.jpg" ] && pdftoppm -jpeg -f 1 -singlefile "$1" "$CACHE"
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chafa "$CACHE.jpg" -f sixel -s "$(($2-2))x$(($3-2))" | sed 's/#/\n#/g'
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;;
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*/epub+zip|*/mobi*)
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mediainfo "$1"
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CACHE="${XDG_CACHE_HOME:-$HOME/.cache}/lf/thumb.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | cut -d' ' -f1)"
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[ ! -f "$CACHE.jpg" ] && gnome-epub-thumbnailer "$1" "$CACHE.jpg"
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chafa "$CACHE.jpg" -f sixel -s "$(($2-2))x$(($3-2))" | sed 's/#/\n#/g'
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;;
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application/*zip) atool --list -- "$1" ;;
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*opendocument*) odt2txt "$1" ;;
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application/pgp-encrypted) gpg -d -- "$1" ;;
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esac
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exit 0
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