## Settings
HIGHLIGHT_SIZE_MAX=262143 # 256KiB
-HIGHLIGHT_TABWIDTH=${HIGHLIGHT_TABWIDTH:-8}
-HIGHLIGHT_STYLE=${HIGHLIGHT_STYLE:-pablo}
+HIGHLIGHT_TABWIDTH="${HIGHLIGHT_TABWIDTH:-8}"
+HIGHLIGHT_STYLE="${HIGHLIGHT_STYLE:-pablo}"
HIGHLIGHT_OPTIONS="--replace-tabs=${HIGHLIGHT_TABWIDTH} --style=${HIGHLIGHT_STYLE} ${HIGHLIGHT_OPTIONS:-}"
-PYGMENTIZE_STYLE=${PYGMENTIZE_STYLE:-autumn}
-OPENSCAD_IMGSIZE=${RNGR_OPENSCAD_IMGSIZE:-1000,1000}
-OPENSCAD_COLORSCHEME=${RNGR_OPENSCAD_COLORSCHEME:-Tomorrow Night}
+PYGMENTIZE_STYLE="${PYGMENTIZE_STYLE:-autumn}"
+BAT_STYLE="${BAT_STYLE:-plain}"
+OPENSCAD_IMGSIZE="${RNGR_OPENSCAD_IMGSIZE:-1000,1000}"
+OPENSCAD_COLORSCHEME="${RNGR_OPENSCAD_COLORSCHEME:-Tomorrow Night}"
+SQLITE_TABLE_LIMIT=20 # Display only the top <limit> tables in database, set to 0 for no exhaustive preview (only the sqlite_master table is displayed).
+SQLITE_ROW_LIMIT=5 # Display only the first and the last (<limit> - 1) records in each table, set to 0 for no limits.
handle_extension() {
case "${FILE_EXTENSION_LOWER}" in
exit 1;;
## OpenDocument
- odt|ods|odp|sxw)
+ odt|sxw)
## Preview as text conversion
odt2txt "${FILE_PATH}" && exit 5
## Preview as markdown conversion
pandoc -s -t markdown -- "${FILE_PATH}" && exit 5
exit 1;;
+ ods|odp)
+ ## Preview as text conversion (unsupported by pandoc for markdown)
+ odt2txt "${FILE_PATH}" && exit 5
+ exit 1;;
## XLSX
xlsx)
python -m json.tool -- "${FILE_PATH}" && exit 5
;;
+ ## Jupyter Notebooks
+ ipynb)
+ jupyter nbconvert --to markdown "${FILE_PATH}" --stdout | env COLORTERM=8bit bat --color=always --style=plain --language=markdown && exit 5
+ jupyter nbconvert --to markdown "${FILE_PATH}" --stdout && exit 5
+ jq --color-output . "${FILE_PATH}" && exit 5
+ python -m json.tool -- "${FILE_PATH}" && exit 5
+ ;;
+
## Direct Stream Digital/Transfer (DSDIFF) and wavpack aren't detected
## by file(1).
dff|dsf|wv|wvc)
local mimetype="${1}"
case "${mimetype}" in
## SVG
- # image/svg+xml|image/svg)
- # convert -- "${FILE_PATH}" "${IMAGE_CACHE_PATH}" && exit 6
- # exit 1;;
+ image/svg+xml|image/svg)
+ rsvg-convert --keep-aspect-ratio --width "${DEFAULT_SIZE%x*}" "${FILE_PATH}" -o "${IMAGE_CACHE_PATH}.png" \
+ && mv "${IMAGE_CACHE_PATH}.png" "${IMAGE_CACHE_PATH}" \
+ && exit 6
+ exit 1;;
## DjVu
- # image/vnd.djvu)
- # ddjvu -format=tiff -quality=90 -page=1 -size="${DEFAULT_SIZE}" \
- # - "${IMAGE_CACHE_PATH}" < "${FILE_PATH}" \
- # && exit 6 || exit 1;;
+ image/vnd.djvu)
+ ddjvu -format=tiff -quality=90 -page=1 -size="${DEFAULT_SIZE}" \
+ - "${IMAGE_CACHE_PATH}" < "${FILE_PATH}" \
+ && exit 6 || exit 1;;
## Image
image/*)
convert -- "${FILE_PATH}" -auto-orient "${IMAGE_CACHE_PATH}" && exit 6
fi
- ## `w3mimgdisplay` will be called for all images (unless overriden
+ ## `w3mimgdisplay` will be called for all images (unless overridden
## as above), but might fail for unsupported types.
exit 7;;
## Video
# video/*)
- # # Thumbnail
+ # # Get embedded thumbnail
+ # ffmpeg -i "${FILE_PATH}" -map 0:v -map -0:V -c copy "${IMAGE_CACHE_PATH}" && exit 6
+ # # Get frame 10% into video
# ffmpegthumbnailer -i "${FILE_PATH}" -o "${IMAGE_CACHE_PATH}" -s 0 && exit 6
# exit 1;;
+ ## Audio
+ # audio/*)
+ # # Get embedded thumbnail
+ # ffmpeg -i "${FILE_PATH}" -map 0:v -map -0:V -c copy \
+ # "${IMAGE_CACHE_PATH}" && exit 6;;
+
## PDF
# application/pdf)
# pdftoppm -f 1 -l 1 \
# { [ "$rar" ] && fn=$(unrar lb -p- -- "${FILE_PATH}"); } || \
# { [ "$zip" ] && fn=$(zipinfo -1 -- "${FILE_PATH}"); } || return
#
- # fn=$(echo "$fn" | python -c "import sys; import mimetypes as m; \
+ # fn=$(echo "$fn" | python -c "from __future__ import print_function; \
+ # 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)
# mv "${TMPPNG}" "${IMAGE_CACHE_PATH}"
# }
- # case "${FILE_EXTENSION_LOWER}" in
- # ## 3D models
- # ## OpenSCAD only supports png image output, and ${IMAGE_CACHE_PATH}
- # ## is hardcoded as jpeg. So we make a tempfile.png and just
- # ## move/rename it to jpg. This works because image libraries are
- # ## smart enough to handle it.
- # csg|scad)
- # openscad_image "${FILE_PATH}" && exit 6
- # ;;
- # 3mf|amf|dxf|off|stl)
- # openscad_image <(echo "import(\"${FILE_PATH}\");") && exit 6
- # ;;
- # esac
+ case "${FILE_EXTENSION_LOWER}" in
+ ## 3D models
+ ## OpenSCAD only supports png image output, and ${IMAGE_CACHE_PATH}
+ ## is hardcoded as jpeg. So we make a tempfile.png and just
+ ## move/rename it to jpg. This works because image libraries are
+ ## smart enough to handle it.
+ # csg|scad)
+ # openscad_image "${FILE_PATH}" && exit 6
+ # ;;
+ # 3mf|amf|dxf|off|stl)
+ # openscad_image <(echo "import(\"${FILE_PATH}\");") && exit 6
+ # ;;
+ drawio)
+ draw.io -x "${FILE_PATH}" -o "${IMAGE_CACHE_PATH}" \
+ --width "${DEFAULT_SIZE%x*}" && exit 6
+ exit 1;;
+ esac
}
handle_mime() {
pandoc -s -t markdown -- "${FILE_PATH}" && exit 5
exit 1;;
+ ## E-mails
+ message/rfc822)
+ ## Parsing performed by mu: https://github.com/djcb/mu
+ mu view -- "${FILE_PATH}" && exit 5
+ exit 1;;
+
## XLS
*ms-excel)
## Preview as csv conversion
xls2csv -- "${FILE_PATH}" && exit 5
exit 1;;
+ ## SQLite
+ *sqlite3)
+ ## Preview as text conversion
+ sqlite_tables="$( sqlite3 "file:${FILE_PATH}?mode=ro" '.tables' )" \
+ || exit 1
+ [ -z "${sqlite_tables}" ] &&
+ { echo "Empty SQLite database." && exit 5; }
+ sqlite_show_query() {
+ sqlite-utils query "${FILE_PATH}" "${1}" --table --fmt fancy_grid \
+ || sqlite3 "file:${FILE_PATH}?mode=ro" "${1}" -header -column
+ }
+ ## Display basic table information
+ sqlite_rowcount_query="$(
+ sqlite3 "file:${FILE_PATH}?mode=ro" -noheader \
+ 'SELECT group_concat(
+ "SELECT """ || name || """ AS tblname,
+ count(*) AS rowcount
+ FROM " || name,
+ " UNION ALL "
+ )
+ FROM sqlite_master
+ WHERE type="table" AND name NOT LIKE "sqlite_%";'
+ )"
+ sqlite_show_query \
+ "SELECT tblname AS 'table', rowcount AS 'count',
+ (
+ SELECT '(' || group_concat(name, ', ') || ')'
+ FROM pragma_table_info(tblname)
+ ) AS 'columns',
+ (
+ SELECT '(' || group_concat(
+ upper(type) || (
+ CASE WHEN pk > 0 THEN ' PRIMARY KEY' ELSE '' END
+ ),
+ ', '
+ ) || ')'
+ FROM pragma_table_info(tblname)
+ ) AS 'types'
+ FROM (${sqlite_rowcount_query});"
+ if [ "${SQLITE_TABLE_LIMIT}" -gt 0 ] &&
+ [ "${SQLITE_ROW_LIMIT}" -ge 0 ]; then
+ ## Do exhaustive preview
+ echo && printf '>%.0s' $( seq "${PV_WIDTH}" ) && echo
+ sqlite3 "file:${FILE_PATH}?mode=ro" -noheader \
+ "SELECT name FROM sqlite_master
+ WHERE type='table' AND name NOT LIKE 'sqlite_%'
+ LIMIT ${SQLITE_TABLE_LIMIT};" |
+ while read -r sqlite_table; do
+ sqlite_rowcount="$(
+ sqlite3 "file:${FILE_PATH}?mode=ro" -noheader \
+ "SELECT count(*) FROM ${sqlite_table}"
+ )"
+ echo
+ if [ "${SQLITE_ROW_LIMIT}" -gt 0 ] &&
+ [ "${SQLITE_ROW_LIMIT}" \
+ -lt "${sqlite_rowcount}" ]; then
+ echo "${sqlite_table} [${SQLITE_ROW_LIMIT} of ${sqlite_rowcount}]:"
+ sqlite_ellipsis_query="$(
+ sqlite3 "file:${FILE_PATH}?mode=ro" -noheader \
+ "SELECT 'SELECT ' || group_concat(
+ '''...''', ', '
+ )
+ FROM pragma_table_info(
+ '${sqlite_table}'
+ );"
+ )"
+ sqlite_show_query \
+ "SELECT * FROM (
+ SELECT * FROM ${sqlite_table} LIMIT 1
+ )
+ UNION ALL ${sqlite_ellipsis_query} UNION ALL
+ SELECT * FROM (
+ SELECT * FROM ${sqlite_table}
+ LIMIT (${SQLITE_ROW_LIMIT} - 1)
+ OFFSET (
+ ${sqlite_rowcount}
+ - (${SQLITE_ROW_LIMIT} - 1)
+ )
+ );"
+ else
+ echo "${sqlite_table} [${sqlite_rowcount}]:"
+ sqlite_show_query "SELECT * FROM ${sqlite_table};"
+ fi
+ done
+ fi
+ exit 5;;
+
## Text
text/* | */xml)
## Syntax highlight
env HIGHLIGHT_OPTIONS="${HIGHLIGHT_OPTIONS}" highlight \
--out-format="${highlight_format}" \
--force -- "${FILE_PATH}" && exit 5
- env COLORTERM=8bit bat --color=always --style="plain" \
+ env COLORTERM=8bit bat --color=always --style="${BAT_STYLE}" \
-- "${FILE_PATH}" && exit 5
pygmentize -f "${pygmentize_format}" -O "style=${PYGMENTIZE_STYLE}"\
-- "${FILE_PATH}" && exit 5
mediainfo "${FILE_PATH}" && exit 5
exiftool "${FILE_PATH}" && exit 5
exit 1;;
+
+ ## ELF files (executables and shared objects)
+ application/x-executable | application/x-pie-executable | application/x-sharedlib)
+ readelf -WCa "${FILE_PATH}" && exit 5
+ exit 1;;
esac
}
handle_fallback() {
echo '----- File Type Classification -----' && file --dereference --brief -- "${FILE_PATH}" && exit 5
- exit 1
}
projects / dotfiles.git / commitdiff