lf: rewrite preview script
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1 changed files with 135 additions and 109 deletions
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@ -1,32 +1,116 @@
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#!/bin/sh
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set -C -f
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f="$(realpath "$1")" w=$2 h=$3 _x=$4 _y=$5
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f="$(realpath "$1")" w=$2 h=$3 x=$4 y=$5
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RED="\033[31m"
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RESET="\033[0m"
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RS="$(printf "\037")"
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CACHE="${XDG_CACHE_HOME}/lf/$(stat --printf "%n %i %F %s %W %Y" -- "$(readlink -f "$1")" | sha256sum | awk '{print $1}')"
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SIZED_CACHE="${XDG_CACHE_HOME}/lf/$(stat --printf "%n %i %F %s %W %Y ${w} ${h}" -- "$(readlink -f "$1")" | sha256sum | awk '{print $1}')"
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BAT="bat --style=plain --color=always --italic-text=always --pager=never --tabs=4 --theme=base16 --line-range=:$h --terminal-width=$((w - 2))"
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CHAFA="chafa -f sixel -s ${w}x${h} --polite on --animate false"
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run() {
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#shellcheck disable=SC2068
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if ! command -v "$1" >/dev/null 2>&1; then
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printf "%b" "${RED}Cannot execute ${1}${RESET}"
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elif "$@"; then
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:
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else
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printf "%b" "${RED}Failed to run command: ${RESET}"
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for l in "$@"; do
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printf "%b" "\n${RED} ${l}${RESET}"
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done
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fi
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# NOTE: preview functions
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archive1() {
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7z l "$f" | sed 1,11d
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}
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cached_text() {
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archive2() {
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als -- "$f"
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}
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csv() {
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mlr --icsv --omd cat "$f" | CLICOLOR_FORCE=1 COLORTERM=truecolor glow -w "$w" -s tokyo-night
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}
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docx() {
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docx2txt "$f" -
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}
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epub() {
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gnome-epub-thumbnailer -s 1024 "$f" /dev/stdout
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}
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html() {
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lynx -dump "$f"
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}
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image() {
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$CHAFA "$f"
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}
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iso() {
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iso-info --no-header -l "$f"
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}
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json() {
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jq -C . "$f"
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}
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lua() {
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$BAT --language=lua "$f"
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}
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markdown() {
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CLICOLOR_FORCE=1 COLORTERM=truecolor glow -w "$w" -s tokyo-night "$f"
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}
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word() {
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catdoc "$f"
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}
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ods() {
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ssconvert --export-type=Gnumeric_stf:stf_assistant -O separator="$RS" "$f" "fd://1" | column -t -s "$RS"
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}
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odt() {
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odt2txt "$f"
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}
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pdf() {
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pdftoppm -jpeg -f 1 -singlefile "$f"
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}
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sqlite() {
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printf ".headers on\n.mode list\nSELECT name FROM sqlite_master WHERE type='table';\n" |
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sqlite3 "$f" |
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grep -v name |
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while read -r table; do
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[ "$table" != "name" ] &&
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printf "SELECT * FROM %s;" "$table" |
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sqlite3 -header -separator "$RS" "$f"
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done |
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column -t -s "$RS"
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}
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svg() {
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inkscape \
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--convert-dpi-method=none \
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--export-filename=- \
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--export-overwrite \
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--export-area-drawing \
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--export-png-color-mode=RGBA_16 "$f" |
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$CHAFA
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}
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text() {
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$BAT "$f"
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}
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torrent() {
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transmission-show "$f"
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}
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video() {
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ffmpegthumbnailer -s 0 -i "$f" -o "/dev/stdout" | $CHAFA
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}
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yaml() {
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$BAT --language=yaml "$f"
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}
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# NOTE: other functions
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run() {
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if [ "$1" = "-s" ]; then
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cache="$SIZED_CACHE"
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shift
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@ -34,105 +118,47 @@ cached_text() {
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cache="$CACHE"
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fi
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if [ -f "$cache" ]; then
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# shellcheck disable=SC2086
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$BAT "$cache"
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if [ -r "$cache" ]; then
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cat "$cache"
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else
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# shellcheck disable=SC2086
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run "$@" | tee -p "$cache" | $BAT
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"$@" | tee -p "$cache"
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fi
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}
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cached_image() {
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if [ -f "$CACHE" ]; then
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$CHAFA "$CACHE"
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else
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run "$@" | tee -p "$CACHE" | $CHAFA
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fi
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}
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preview() {
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mimetype=$1
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mimetest() {
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case "$1" in
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# */pgp-encrypted) run gpg -d -- "$f" ;;
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*/vnd.openxmlformats-officedocument.spreadsheetml.sheet | */vnd.oasis.opendocument.spreadsheet)
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if [ -f "$CACHE" ]; then
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$BAT "$CACHE"
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else
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ssconvert --export-type=Gnumeric_stf:stf_assistant -O separator="$RS" "$f" "fd://1" |
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column -t -s "$RS" | tee -p "$CACHE"
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fi
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;;
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*/vnd.sqlite3)
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if [ -f "$CACHE" ]; then
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$BAT "$CACHE"
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else
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printf ".headers on\n.mode list\nSELECT name FROM sqlite_master WHERE type='table';\n" |
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sqlite3 "$f" |
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grep -v name |
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while read -r table; do
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[ "$table" != "name" ] &&
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printf "SELECT * FROM %s;" "$table" |
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sqlite3 -header -separator "$RS" "$f"
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done |
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column -t -s "$RS" | tee -p "$CACHE"
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fi
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;;
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*/x-7z-compressed | */vnd.rar | */x-tar | */zip | */x-java-archive | */x-xz | */gzip)
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if [ -f "$CACHE" ]; then
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$BAT "$CACHE"
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else
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run 7z l "$f" | sed 1,11d | tee -p "$CACHE" | $BAT
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fi
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;;
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*/epub+zip) cached_image gnome-epub-thumbnailer -s 1024 "$f" "$CACHE" ;;
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image/svg+xml)
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cached_image inkscape \
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--convert-dpi-method=none \
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--export-filename=- \
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--export-overwrite \
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--export-area-drawing \
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--export-png-color-mode=RGBA_16 "$f"
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;;
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image/*) $CHAFA "$f" ;;
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*/pdf) cached_image pdftoppm -jpeg -f 1 -singlefile "$f" ;;
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video/*) cached_image ffmpegthumbnailer -s 0 -i "$f" -o "/dev/stdout" ;;
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*/vnd.oasis.opendocument.text) cached_text odt2txt "$f" ;;
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*/vnd.openxmlformats-officedocument.wordprocessingml.document) cached_text docx2txt "$f" - ;;
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*/csv)
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export COLORTERM=truecolor
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export CLICOLOR_FORCE=1
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# TODO: caching
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mlr --icsv --omd cat "$f" | glow -w "$w" -s tokyo-night
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;;
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*/markdown)
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export COLORTERM=truecolor
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export CLICOLOR_FORCE=1
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cached_text -s glow -w "$w" -s tokyo-night "$f"
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;;
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*/html) cached_text lynx -dump "$f" ;;
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*/*json) cached_text jq -C . "$f" ;;
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*/msword) cached_text catdoc "$f" ;;
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*/x-bittorrent) cached_text transmission-show "$f" ;;
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*/x-cd-image) cached_text iso-info --no-header -l "$f" ;;
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*/x-bzip-compressed-tar | */x-compressed-tar | */x-xz-compressed-tar) cached_text als -- "$f" ;;
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*/*lua) $BAT --language=lua "$f" ;;
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*/*yaml) $BAT --language=yaml "$f" ;;
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*text*) $BAT "$f" ;;
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case "$mimetype" in
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*/vnd.openxmlformats-officedocument.spreadsheetml.sheet | */vnd.oasis.opendocument.spreadsheet) run ods ;;
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*/vnd.sqlite3) run sqlite ;;
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*/x-7z-compressed | */vnd.rar | */x-tar | */zip | */x-java-archive | */x-xz | */gzip) run archive1 ;;
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*/epub+zip) run -s epub ;;
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image/svg+xml) run -s svg ;;
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image/*) run -s image ;;
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*/pdf) run -s pdf ;;
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video/*) run -s video ;;
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*/vnd.oasis.opendocument.text) run odt ;;
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*/vnd.openxmlformats-officedocument.wordprocessingml.document) run docx ;;
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*/csv) run -s csv ;;
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*/markdown) run -s markdown ;;
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*/html) run html ;;
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*/*json) run json ;;
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*/msword) run word ;;
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*/x-bittorrent) run torrent ;;
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*/x-cd-image) run iso ;;
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*/x-bzip-compressed-tar | */x-compressed-tar | */x-xz-compressed-tar) run archive2 ;;
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*/*lua) run lua ;;
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*/*yaml) run yaml ;;
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*text*) run text ;;
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*) return 1 ;;
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esac
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}
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# Special cases
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[ "$(dirname "$(realpath "$f")" | rev | cut -d/ -f1 | rev)" = "factscache" ] &&
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[ -f "$(dirname "$(dirname "$(realpath "$f")")")/ansible.cfg" ] &&
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jq -C <"$f" && exit
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mimetype_gio="$(gio info "$f" 2>/dev/null | grep standard::content-type | cut -d' ' -f4)"
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preview "$mimetype_gio" && exit
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mimetype_file="$(file --brief --dereference --mime-type "$f")"
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preview "$mimetype_file" && exit
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giorun="$(gio info "$f" 2>/dev/null | grep standard::content-type | cut -d' ' -f4)"
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mimetest "$giorun" && exit
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filerun="$(file --brief --dereference --mime-type "$f")"
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mimetest "$filerun" && exit
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printf "%b" "\$(file --mime-type)\t\t\t : $filerun\n"
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[ -n "$giorun" ] && printf "%b" "\$(gio info)\t\t\t\t : $giorun\n"
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[ -n "$mimetype_file" ] && printf "%b" "\$(file --mime-type)\t\t\t : ${mimetype_file}\n"
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[ -n "$mimetype_gio" ] && printf "%b" "\$(gio info)\t\t\t\t : ${mimetype_gio}\n"
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mediainfo "$1" | head -n -2 | grep -v -e "Complete name" -e "General"
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