109 lines
3.1 KiB
Bash
Executable File
109 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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set -C -f -u
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IFS="$(printf '%b_' '\n')"; IFS="${IFS%_}"
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# ANSI color codes are supported.
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# STDIN is disabled, so interactive scripts won't work properly
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# This script is considered a configuration file and must be updated manually.
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# Meanings of exit codes:
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# code | meaning | action of ranger
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# -----+------------+-------------------------------------------
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# 0 | success | Display stdout as preview
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# 1 | no preview | Display no preview at all
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# 2 | plain text | Display the plain content of the file
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# Script arguments
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FILE_PATH="${1}" # Full path of the highlighted file
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FILE_EXTENSION="${FILE_PATH##*.}"
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FILE_EXTENSION_LOWER=$(echo "${FILE_EXTENSION}" | tr '[:upper:]' '[:lower:]')
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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='pablo'
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handle_extension() {
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case "${FILE_EXTENSION_LOWER}" in
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# Archive
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a|ace|alz|arc|arj|bz|bz2|cab|cpio|deb|gz|jar|lha|lz|lzh|lzma|lzo|\
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rpm|rz|t7z|tar|tbz|tbz2|tgz|tlz|txz|tZ|tzo|war|xpi|xz|Z|zip)
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atool --list -- "${FILE_PATH}"
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bsdtar --list --file "${FILE_PATH}"
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exit 1;;
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rar)
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# Avoid password prompt by providing empty password
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unrar lt -p- -- "${FILE_PATH}"
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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 -- "${FILE_PATH}"
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exit 1;;
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# PDF
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pdf)
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# Preview as text conversion
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pdftotext -l 10 -nopgbrk -q -- "${FILE_PATH}" -
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exiftool "${FILE_PATH}"
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exit 1;;
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# BitTorrent
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torrent)
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transmission-show -- "${FILE_PATH}"
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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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lynx -dump -- "${FILE_PATH}"
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elinks -dump "${FILE_PATH}"
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;; # Continue with next handler on failure
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# JSON
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json)
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jq --color-output . "${FILE_PATH}" && exit 5
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python -m json.tool -- "${FILE_PATH}" && exit 5
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;;
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conf) bat "${FILE_PATH}" && exit 0 ;;
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esac
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}
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handle_mime() {
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local mimetype="${1}"
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case "${mimetype}" in
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text/html) lynx -dump "${FILE_PATH}" ;;
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text/troff) man ./ "${FILE_PATH}" | col -b ;;
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text/* | */xml)
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if [ "$( stat --printf='%s' -- "${FILE_PATH}" )" -gt "${HIGHLIGHT_SIZE_MAX}" ]; then
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exit 2
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fi
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if [ "$( tput colors )" -ge 256 ]; then
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local highlight_format='xterm256'
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else
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local highlight_format='ansi'
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fi
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highlight --replace-tabs="${HIGHLIGHT_TABWIDTH}" --out-format="${highlight_format}" \
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--style="${HIGHLIGHT_STYLE}" --force -- "${FILE_PATH}"
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exit 2;;
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application/zip) atool --list -- "${FILE_PATH}" ;;
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image/*) mediainfo "${FILE_PATH}" || exit 1;;
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video/* | audio/*|application/octet-stream) mediainfo "${FILE_PATH}" || exit 1;;
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*/pdf) pdftotext -l 10 -nopgbrk -q -- "${FILE_PATH}" - ;;
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esac
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}
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handle_fallback() {
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echo '----- File Type Classification -----' && file --dereference --brief -- "${FILE_PATH}"
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exit 1
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}
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MIMETYPE="$( file --dereference --brief --mime-type -- "${FILE_PATH}" )"
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handle_extension
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handle_mime "${MIMETYPE}"
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handle_fallback
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exit 1
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