You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
223 lines
8.4 KiB
223 lines
8.4 KiB
#!/usr/bin/env bash
|
|
|
|
set -o noclobber -o noglob -o nounset -o pipefail
|
|
IFS=$'\n'
|
|
|
|
# If the option `use_preview_script` is set to `true`,
|
|
# then this script will be called and its output will be displayed in ranger.
|
|
# ANSI color codes are supported.
|
|
# STDIN is disabled, so interactive scripts won't work properly
|
|
|
|
# This script is considered a configuration file and must be updated manually.
|
|
# It will be left untouched if you upgrade ranger.
|
|
|
|
# Meanings of exit codes:
|
|
# code | meaning | action of ranger
|
|
# -----+------------+-------------------------------------------
|
|
# 0 | success | Display stdout as preview
|
|
# 1 | no preview | Display no preview at all
|
|
# 2 | plain text | Display the plain content of the file
|
|
# 3 | fix width | Don't reload when width changes
|
|
# 4 | fix height | Don't reload when height changes
|
|
# 5 | fix both | Don't ever reload
|
|
# 6 | image | Display the image `$IMAGE_CACHE_PATH` points to as an image preview
|
|
# 7 | image | Display the file directly as an image
|
|
|
|
# Script arguments
|
|
FILE_PATH="${1}" # Full path of the highlighted file
|
|
PV_WIDTH="${2}" # Width of the preview pane (number of fitting characters)
|
|
PV_HEIGHT="${3}" # Height of the preview pane (number of fitting characters)
|
|
IMAGE_CACHE_PATH="${4}" # Full path that should be used to cache image preview
|
|
PV_IMAGE_ENABLED="${5}" # 'True' if image previews are enabled, 'False' otherwise.
|
|
|
|
FILE_EXTENSION="${FILE_PATH##*.}"
|
|
FILE_EXTENSION_LOWER=$(echo ${FILE_EXTENSION} | tr '[:upper:]' '[:lower:]')
|
|
|
|
# Settings
|
|
HIGHLIGHT_SIZE_MAX=262143 # 256KiB
|
|
HIGHLIGHT_TABWIDTH=8
|
|
HIGHLIGHT_STYLE='pablo'
|
|
PYGMENTIZE_STYLE='autumn'
|
|
|
|
|
|
handle_extension() {
|
|
case "${FILE_EXTENSION_LOWER}" in
|
|
# Archive
|
|
a|ace|alz|arc|arj|bz|bz2|cab|cpio|deb|gz|jar|lha|lz|lzh|lzma|lzo|\
|
|
rpm|rz|t7z|tar|tbz|tbz2|tgz|tlz|txz|tZ|tzo|war|xpi|xz|Z|zip)
|
|
atool --list -- "${FILE_PATH}" && exit 5
|
|
bsdtar --list --file "${FILE_PATH}" && exit 5
|
|
exit 1;;
|
|
rar)
|
|
# Avoid password prompt by providing empty password
|
|
unrar lt -p- -- "${FILE_PATH}" && exit 5
|
|
exit 1;;
|
|
7z)
|
|
# Avoid password prompt by providing empty password
|
|
7z l -p -- "${FILE_PATH}" && exit 5
|
|
exit 1;;
|
|
|
|
# PDF
|
|
pdf)
|
|
# Preview as text conversion
|
|
pdftotext -l 10 -nopgbrk -q -- "${FILE_PATH}" - | fmt -w ${PV_WIDTH} && exit 5
|
|
mutool draw -F txt -i -- "${FILE_PATH}" 1-10 | fmt -w ${PV_WIDTH} && exit 5
|
|
exiftool "${FILE_PATH}" && exit 5
|
|
exit 1;;
|
|
|
|
# BitTorrent
|
|
torrent)
|
|
transmission-show -- "${FILE_PATH}" && exit 5
|
|
exit 1;;
|
|
|
|
# OpenDocument
|
|
odt|ods|odp|sxw)
|
|
# Preview as text conversion
|
|
odt2txt "${FILE_PATH}" && exit 5
|
|
exit 1;;
|
|
|
|
# HTML
|
|
htm|html|xhtml)
|
|
# Preview as text conversion
|
|
w3m -dump "${FILE_PATH}" && exit 5
|
|
lynx -dump -- "${FILE_PATH}" && exit 5
|
|
elinks -dump "${FILE_PATH}" && exit 5
|
|
;; # Continue with next handler on failure
|
|
|
|
# htm|html|xhtml)
|
|
# # Preview as text conversion
|
|
# w3m -dump "${FILE_PATH}" && exit 5
|
|
# lynx -dump -- "${FILE_PATH}" && exit 5
|
|
# elinks -dump "${FILE_PATH}" && exit 5
|
|
# ;; # Continue with next handler on failure
|
|
esac
|
|
}
|
|
|
|
handle_image() {
|
|
local mimetype="${1}"
|
|
case "${mimetype}" in
|
|
# SVG
|
|
# image/svg+xml)
|
|
# convert "${FILE_PATH}" "${IMAGE_CACHE_PATH}" && exit 6
|
|
# exit 1;;
|
|
|
|
# Image
|
|
image/*)
|
|
local orientation
|
|
orientation="$( identify -format '%[EXIF:Orientation]\n' -- "${FILE_PATH}" )"
|
|
# If orientation data is present and the image actually
|
|
# needs rotating ("1" means no rotation)...
|
|
if [[ -n "$orientation" && "$orientation" != 1 ]]; then
|
|
# ...auto-rotate the image according to the EXIF data.
|
|
convert -- "${FILE_PATH}" -auto-orient "${IMAGE_CACHE_PATH}" && exit 6
|
|
fi
|
|
|
|
# `w3mimgdisplay` will be called for all images (unless overriden as above),
|
|
# but might fail for unsupported types.
|
|
exit 7;;
|
|
|
|
# Video
|
|
# video/*)
|
|
# # Thumbnail
|
|
# ffmpegthumbnailer -i "${FILE_PATH}" -o "${IMAGE_CACHE_PATH}" -s 0 && exit 6
|
|
# exit 1;;
|
|
# PDF
|
|
# application/pdf)
|
|
# pdftoppm -f 1 -l 1 \
|
|
# -scale-to-x 1920 \
|
|
# -scale-to-y -1 \
|
|
# -singlefile \
|
|
# -jpeg -tiffcompression jpeg \
|
|
# -- "${FILE_PATH}" "${IMAGE_CACHE_PATH%.*}" \
|
|
# && exit 6 || exit 1;;
|
|
|
|
# Preview archives using the first image inside.
|
|
# (Very useful for comic book collections for example.)
|
|
# application/zip|application/x-rar|application/x-7z-compressed|\
|
|
# application/x-xz|application/x-bzip2|application/x-gzip|application/x-tar)
|
|
# local fn=""; local fe=""
|
|
# local zip=""; local rar=""; local tar=""; local bsd=""
|
|
# case "${mimetype}" in
|
|
# application/zip) zip=1 ;;
|
|
# application/x-rar) rar=1 ;;
|
|
# application/x-7z-compressed) ;;
|
|
# *) tar=1 ;;
|
|
# esac
|
|
# { [ "$tar" ] && fn=$(tar --list --file "${FILE_PATH}"); } || \
|
|
# { fn=$(bsdtar --list --file "${FILE_PATH}") && bsd=1 && tar=""; } || \
|
|
# { [ "$rar" ] && fn=$(unrar lb -p- -- "${FILE_PATH}"); } || \
|
|
# { [ "$zip" ] && fn=$(zipinfo -1 -- "${FILE_PATH}"); } || return
|
|
#
|
|
# fn=$(echo "$fn" | python -c "import sys; import mimetypes as m; \
|
|
# [ print(l, end='') for l in sys.stdin if \
|
|
# (m.guess_type(l[:-1])[0] or '').startswith('image/') ]" |\
|
|
# sort -V | head -n 1)
|
|
# [ "$fn" = "" ] && return
|
|
# [ "$bsd" ] && fn=$(printf '%b' "$fn")
|
|
#
|
|
# [ "$tar" ] && tar --extract --to-stdout \
|
|
# --file "${FILE_PATH}" -- "$fn" > "${IMAGE_CACHE_PATH}" && exit 6
|
|
# fe=$(echo -n "$fn" | sed 's/[][*?\]/\\\0/g')
|
|
# [ "$bsd" ] && bsdtar --extract --to-stdout \
|
|
# --file "${FILE_PATH}" -- "$fe" > "${IMAGE_CACHE_PATH}" && exit 6
|
|
# [ "$bsd" ] || [ "$tar" ] && rm -- "${IMAGE_CACHE_PATH}"
|
|
# [ "$rar" ] && unrar p -p- -inul -- "${FILE_PATH}" "$fn" > \
|
|
# "${IMAGE_CACHE_PATH}" && exit 6
|
|
# [ "$zip" ] && unzip -pP "" -- "${FILE_PATH}" "$fe" > \
|
|
# "${IMAGE_CACHE_PATH}" && exit 6
|
|
# [ "$rar" ] || [ "$zip" ] && rm -- "${IMAGE_CACHE_PATH}"
|
|
# ;;
|
|
esac
|
|
}
|
|
|
|
handle_mime() {
|
|
local mimetype="${1}"
|
|
case "${mimetype}" in
|
|
# Text
|
|
text/* | */xml)
|
|
# Syntax highlight
|
|
if [[ "$( stat --printf='%s' -- "${FILE_PATH}" )" -gt "${HIGHLIGHT_SIZE_MAX}" ]]; then
|
|
exit 2
|
|
fi
|
|
if [[ "$( tput colors )" -ge 256 ]]; then
|
|
local pygmentize_format='terminal256'
|
|
local highlight_format='xterm256'
|
|
else
|
|
local pygmentize_format='terminal'
|
|
local highlight_format='ansi'
|
|
fi
|
|
highlight --replace-tabs="${HIGHLIGHT_TABWIDTH}" --out-format="${highlight_format}" \
|
|
--style="${HIGHLIGHT_STYLE}" --force -- "${FILE_PATH}" && exit 5
|
|
# pygmentize -f "${pygmentize_format}" -O "style=${PYGMENTIZE_STYLE}" -- "${FILE_PATH}" && exit 5
|
|
exit 2;;
|
|
|
|
# Image
|
|
image/*)
|
|
# Preview as text conversion
|
|
# img2txt --gamma=0.6 --width="${PV_WIDTH}" -- "${FILE_PATH}" && exit 4
|
|
exiftool "${FILE_PATH}" && exit 5
|
|
exit 1;;
|
|
|
|
# Video and audio
|
|
video/* | audio/*)
|
|
mediainfo "${FILE_PATH}" && exit 5
|
|
exiftool "${FILE_PATH}" && exit 5
|
|
exit 1;;
|
|
esac
|
|
}
|
|
|
|
handle_fallback() {
|
|
echo '----- File Type Classification -----' && file --dereference --brief -- "${FILE_PATH}" && exit 5
|
|
exit 1
|
|
}
|
|
|
|
|
|
MIMETYPE="$( file --dereference --brief --mime-type -- "${FILE_PATH}" )"
|
|
if [[ "${PV_IMAGE_ENABLED}" == 'True' ]]; then
|
|
handle_image "${MIMETYPE}"
|
|
fi
|
|
handle_extension
|
|
handle_mime "${MIMETYPE}"
|
|
handle_fallback
|
|
|
|
exit 1
|