mirror of
https://github.com/tonydamage/nux-env.git
synced 2025-12-11 13:24:28 +01:00
Introduced new libraries for mime, thumbnails, labels
Signed-off-by: Tony Tkacik <tonydamage@gmail.com>
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4 changed files with 219 additions and 0 deletions
22
inc/labely.inc.sh
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22
inc/labely.inc.sh
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@ -0,0 +1,22 @@
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##
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## Set of support functions for labelImg Xmls
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labely.labels.get() {
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local path="$1"
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local filename=$(basename "$1")
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local dirname=$(dirname "$1")
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local labelXml="$dirname/.labely/${filename%.*}.xml"
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nux.log info Looking for $labelXml
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if [ -e $labelXml ] ; then
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xmlstarlet sel -T -t \
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-m "/annotation/object" \
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-v "name" -o " " \
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-m "bndbox" \
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-v "/annotation/size/width" -o " " \
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-v "/annotation/size/height" -o " " \
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-v "xmin" -o " " \
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-v "ymin" -o " " \
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-v "xmax" -o " " \
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-v "ymax" -n $labelXml
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fi
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}
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@ -157,6 +157,14 @@ function nux.check.nuxenv.file {
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[[ "$path" =~ "^$NUX_ENV_DIR" ]]
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[[ "$path" =~ "^$NUX_ENV_DIR" ]]
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}
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}
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function nux.check.optional {
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local function="$1"; shift;
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if nux.check.function "$function" ; then
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$function "$@"
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fi
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}
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function nux.check.exec {
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function nux.check.exec {
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local binary=$1;
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local binary=$1;
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test -n "$(which "$binary")"
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test -n "$(which "$binary")"
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@ -183,6 +191,16 @@ function nux.exec.optional {
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fi
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fi
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}
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}
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function nux.exec.or {
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local maybe="$1"; shift;
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local to_exec="$1"; shift;
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if nux.check.function "$maybe" ; then
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to_exec=$maybe
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fi
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$to_exec "$@";
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}
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function nux.dirty.urlencode {
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function nux.dirty.urlencode {
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echo -n "$1" | sed "s/ /%20/g"
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echo -n "$1" | sed "s/ /%20/g"
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}
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}
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22
inc/nux.mime.inc.sh
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inc/nux.mime.inc.sh
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nux.mime() {
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local type=binary/octet
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local suffix="${1##*.}"
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case "${suffix,,}" in
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txt) type=text/plain;;
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css) type=text/css;;
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jpg) type=image/jpeg;;
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png) type=image/png;;
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zip) type=application/zip;;
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cbr) type=application/x-cbz;;
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cbz) type=application/x-cbr;;
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pdf) type=application/pdf;;
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epub) type=application/epub+zip;;
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mp4) type=video/mp4;;
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*)
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if [ -d "$1" ]; then
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type=directory
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fi
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esac
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echo $type;
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}
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157
inc/thumby.inc.sh
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inc/thumby.inc.sh
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nux.use nux.mime
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function thumby.name.shared() {
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echo $(basename "$1"|md5sum|cut -d " " -f1).png
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}
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function thumby.noop() {
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:
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}
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function thumby.mimetype.supported() {
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local mimetype="$1";
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local base="${mimetype%%/*}";
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local helper="${mimetype/\//.}";
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if [ "$base" == "image" ]; then
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return 0;
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elif nux.check.function thumby.thumb.source.locator.$helper; then
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return 0;
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elif nux.check.function thumby.thumb.source.extractor.$helper; then
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return 0;
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fi
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return 1;
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}
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function thumby.thumb.can.generate() {
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local path="$1";
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local mimetype="$2";
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local helper="${mimetype/\//.}";
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if ! thumby.mimetype.supported "$mimetype" ; then
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return 1;
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fi
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if nux.check.function thumby.thumb.source.locator.$helper; then
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local source=$(thumby.thumb.source.locator.$helper "$path");
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if [ -z "$source" ] ; then
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return 1;
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fi
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fi
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return 0;
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}
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function thumby.thumb.get() {
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local path="$1";
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local mimetype="$2";
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if [ ! -e "$path" ] ; then
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return -1;
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fi
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if [ -z "$mimetype" ] ; then
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mimetype=$(nux.mime "$path")
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fi
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local filename=$(basename "$1")
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local dirname=$(dirname "$1")
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local thumbname="$(thumby.name.shared "$filename")";
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local thumbpath="$dirname/.sh_thumbnails/large/$thumbname";
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if [ ! -e "$thumbpath" ]; then
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helper="${mimetype/\//.}"
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nux.log debug "File $path, type $mimetype does not have thumbnail. Trying to generate using $helper."
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local preexec=thumby.noop;
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local postexec=thumby.noop;
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local source=$path;
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local streamer=thumby.noop;
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if nux.check.function thumby.thumb.source.locator.$helper ; then
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source=$(thumby.thumb.source.locator.$helper "$path");
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fi
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if nux.check.function thumby.thumb.source.extractor.$helper ; then
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echo "Using source helper" >&2
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source="-"
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streamer=thumby.thumb.source.extractor.$helper;
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fi
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mkdir -p "$dirname/.sh_thumbnails/large" &>/dev/null
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mtime=`stat -c '%Y' "$path"`
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$preexec "$path"
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nux.log info "Source is : $source, Streamer is $streamer";
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$streamer "$path" | convert -thumbnail '256x256>' -strip "$source" "$thumbpath" >&2
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$postexec "$path"
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echo $thumbpath;
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fi
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}
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function thumby.thumb.generate() {
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convert -thumbnail '256x256>' -strip "$path" "$thumbpath" >&2
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}
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function thumby.get.thumb() {
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local path="$1";
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local d="$(dirname "$1")";
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local f=$(basename "$1");
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local thumb_name="$(thumby.name.shared "$f")"
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if [ ! -e "$path" ] ; then
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return;
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elif [ ! -e "$d/.sh_thumbnails/large/$thumb_name" ] ; then
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#mkdir -p .sh_thumbnails/normal &>/dev/null
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mkdir -p "$d/.sh_thumbnails/large" &>/dev/null
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#md5=`echo $path|md5sum|cut -d" " -f1`
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mtime=`stat -c '%Y' "$path"`
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nux.log info "Generating thumbnails for $path $thumb_name" >&2
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#convert -thumbnail '128x128>' -strip -set Thumb::MTime "$mtime" -set Thumb::URI "$path" "$path" .sh_thumbnails/normal/$md5.$THUMB_TYPE >&2
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nux.log info "Command line is: " # echo convert -thumbnail '256x256>' -strip -set Thumb::MTime "$mtime" -set Thumb::URI "$path" "$path" .sh_thumbnails/large/$thumb_name
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nux.log info convert -thumbnail '256x256>' --strip "$path" "$d"/.sh_thumbnails/large/$thumb_name
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convert -thumbnail '256x256>' -strip "$path" "$d"/.sh_thumbnails/large/$thumb_name >&2
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fi
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echo "$d/.sh_thumbnails/large/$thumb_name"
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}
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thumby.thumb.source.locator.directory() {
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nux.log info "Using find to find jpg or png"
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find "$1" -maxdepth 1 -iname "*.jpg" -or -iname "*.png" | sort -n | head -n1
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}
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thumby.thumb.source.locator.application.pdf() {
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echo "$1[0]"
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}
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thumby.thumb.source.extractor.application.epub+zip() {
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local rootDesc=$(unzip -p "$1" META-INF/container.xml \
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| xmlstarlet sel -N od="urn:oasis:names:tc:opendocument:xmlns:container" \
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-t -v "/od:container/od:rootfiles/od:rootfile[@media-type='application/oebps-package+xml']/@full-path" -n)
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nux.log info "Root description is in: $rootDesc";
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local imgDesc=$(unzip -p "$1" "$rootDesc" \
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| xmlstarlet sel -N opf="http://www.idpf.org/2007/opf" \
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-t -m "/opf:package/opf:manifest/opf:item[@id=/opf:package/opf:metadata/opf:meta[@name='cover']/@content]" \
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-v "@href" -o ":" -v "@media-type" -n)
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IFS=":" read -r img media <<< "$imgDesc";
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nux.log info "Image name is $imgDesc $img";
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if [ -n "$img" ]; then
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unzip -p "$1" $img
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fi
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}
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thumby.thumb.source.extractor.application.x-cbr() {
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suffix="${1##*.}"
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case "$suffix" in
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zip) ;&
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cbz)
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potential=$(unzip -l "$1" | sed -re "s/^ *[0-9]+ +[0-9\\-]+ +[0-9:]+ +//gi" | grep -E '\.((jpg)|(png)|(jpeg))$' | sort -n | head -n 1)
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nux.log debug "Potential preview is: $potential";
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if [ -n "$potential" ]; then
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unzip -p "$1" "$potential"
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nux.log debug "Preview extracted."
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fi
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;;
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*) nux.log error "$suffix is not supported."
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esac
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}
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