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#!/bin/sh
set -C -f -u
#IFS=$'\n'
IFS="$(printf '%b_' '\n')"; IFS="${IFS%_}"
# ANSI color codes are supported.
# STDIN is disabled, so interactive scripts won't work properly
# This script is considered a configuration file and must be updated manually.
# Meanings of exit codes:
# code | meaning | action of ranger
# -----+------------+-------------------------------------------
# 0 | success | Display stdout as preview
# 1 | no preview | Display no preview at all
# 2 | plain text | Display the plain content of the file
# Script arguments
FILE_PATH="${1}" # Full path of the highlighted file
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 -- "${FILE_PATH}"
bsdtar --list --file "${FILE_PATH}"
exit 1;;
rar)
# Avoid password prompt by providing empty password
unrar lt -p- -- "${FILE_PATH}"
exit 1;;
7z)
# Avoid password prompt by providing empty password
7z l -p -- "${FILE_PATH}"
exit 1;;
# PDF
pdf)
# Preview as text conversion
pdftotext -l 10 -nopgbrk -q -- "${FILE_PATH}" -
mutool draw -F txt -i -- "${FILE_PATH}" 1-10
exiftool "${FILE_PATH}"
exit 1;;
# BitTorrent
torrent)
transmission-show -- "${FILE_PATH}"
exit 1;;
# OpenDocument
odt|ods|odp|sxw)
# Preview as text conversion
odt2txt "${FILE_PATH}"
exit 1;;
# HTML
htm|html|xhtml)
# Preview as text conversion
w3m -dump "${FILE_PATH}"
lynx -dump -- "${FILE_PATH}"
elinks -dump "${FILE_PATH}"
;; # Continue with next handler on failure
1) man ./ "${FILE_PATH}" | col -b ;;
esac
}
handle_mime() {
local mimetype="${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 -- "${FILE_PATH}"
# pygmentize -f "${pygmentize_format}" -O "style=${PYGMENTIZE_STYLE}" -- "${FILE_PATH}"
exit 2;;
# Image
image/*)
# Preview as text conversion
# img2txt --gamma=0.6 -- "${FILE_PATH}" && exit 1
exiftool "${FILE_PATH}"
exit 1;;
# Video and audio
video/* | audio/*|application/octet-stream)
mediainfo "${FILE_PATH}"
exiftool "${FILE_PATH}"
exit 1;;
esac
}
handle_fallback() {
echo '----- File Type Classification -----' && file --dereference --brief -- "${FILE_PATH}"
exit 1
}
MIMETYPE="$( file --dereference --brief --mime-type -- "${FILE_PATH}" )"
handle_extension
handle_mime "${MIMETYPE}"
handle_fallback
exit 1
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