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122 lines
3.2 KiB
122 lines
3.2 KiB
#!/usr/bin/env sh
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preview() {
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cat <<-EOF | paste -sd '' >"$LF_UEBERZUG_FIFO"
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{
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"action": "add", "identifier": "lf-preview",
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"path": "$1", "x": $4, "y": $5, "width": $2, "height": $3,
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"scaler": "contain"
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}
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EOF
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}
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set -C -f -u
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IFS=$'\n'
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lf-ueberzug-cleaner # clean active preview
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file="$1"; shift
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# Settings
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HIGHLIGHT_SIZE_MAX=262143 # 256KiB
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HIGHLIGHT_TABWIDTH=8
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HIGHLIGHT_STYLE='base16/oceanicnext'
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PYGMENTIZE_STYLE='autumn'
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case "$(basename "$file" | tr '[A-Z]' '[a-z]')" in
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# Archive
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*.a|*.ace|*.alz|*.arc|*.arj|*.bz|*.bz2|*.cab|*.cpio|*.deb|*.gz|*.jar|*.lha|*.lz|*.lzh|*.lzma|*.lzo|\
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*.rpm|*.rz|*.t7z|*.tar|*.tbz|*.tbz2|*.tgz|*.tlz|*.txz|*.t*.Z|*.tzo|*.war|*.xpi|*.xz|*.Z|*.zip)
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atool --list -- "$file"
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bsdtar --list --file "$file"
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exit 1;;
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*.rar)
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# Avoid password prompt by providing empty password
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unrar lt -p- -- "$file"
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exit 1;;
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*.7z)
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# Avoid password prompt by providing empty password
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7z l -p -- "$file"
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exit 1;;
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# BitTorrent
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*.torrent)
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transmission-show -- "$file"
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exit 1;;
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# OpenDocument
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*.odt|*.ods|*.odp|*.sxw)
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# Preview as text conversion
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odt2txt "$file"
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exit 1;;
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# HTML
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*.htm|*.html|*.xhtml)
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# Preview as text conversion
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w3m -dump "$file"
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lynx -dump -- "$file"
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elinks -dump "$file"
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exit 1;; # Continue with next handler on failure
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*.avi|*.mp4|*.mkv)
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thumbnail="$LF_UEBERZUG_TEMPDIR/thumbnail.png"
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ffmpegthumbnailer -i "$file" -o "$thumbnail" -s 0
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preview "$thumbnail" "$@"
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exit 127;;
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*.pdf)
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thumbnail="$LF_UEBERZUG_TEMPDIR/thumbnail.png"
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gs -o "$thumbnail" -sDEVICE=pngalpha -dLastPage=1 "$file" >/dev/null
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preview "$thumbnail" "$@"
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exit 127;;
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*.jpg|*.jpeg|*.png|*.bmp)
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preview "$file" "$@"
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exit 127;;
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*.svg)
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thumbnail="$LF_UEBERZUG_TEMPDIR/thumbnail.png"
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convert "$file" "$thumbnail"
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preview "$thumbnail" "$@"
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exit 127;;
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esac
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MIMETYPE="$( file --dereference --brief --mime-type -- "$file" )"
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case "$MIMETYPE" in
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# Text
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text/plain)
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cat "$file"
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exit 127;;
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text/* | */xml)
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# Syntax highlight
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if [ "$( stat --printf='%s' -- "$file" )" -gt "$HIGHLIGHT_SIZE_MAX" ]; then
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exit 2
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fi
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if [ "$( tput colors )" -ge 256 ]; then
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pygmentize_format='terminal256'
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highlight_format='xterm256'
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else
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pygmentize_format='terminal'
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highlight_format='ansi'
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fi
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highlight --replace-tabs="$HIGHLIGHT_TABWIDTH" --out-format="$highlight_format" --style="$HIGHLIGHT_STYLE" --force -- "$file"
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# pygmentize -f "${pygmentize_format}" -O "style=${PYGMENTIZE_STYLE}" -- "$file"
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exit 127;;
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# Image
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image/*)
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# Preview as text conversion
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# img2txt --gamma=0.6 -- "$file" && exit 1
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exiftool "$file"
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exit 1;;
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# Video and audio
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video/* | audio/*|application/octet-stream)
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mediainfo "$file"
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exiftool "$file"
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exit 1;;
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esac
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echo '----- File Type Classification -----' && file --dereference --brief -- "$file"
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exit 1
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