user/htmlz_to_cbz.sh

   1 #!/bin/bash
   2 # Desc: Collects .jpg/jpeg files from a Calibre .htmlz file into .cbz files
   3 # Version: 0.1.0
   4 # Depends: jdupes 1.27.3
   5
   6 for fin in ./*.htmlz; do
   7     (
   8         dout="${fin%.*}";
   9         unzip "$fin" -x / -d "$dout";
  10         pushd "$dout";
  11         mapfile -t images < <(cat index.html  | grep -E "(.jpg|.jpeg)" | sed -E -e 's#.+(images/[0-9]+.(jpeg|jpg)).+#\1#' | uniq; );
  12         dout="./output";
  13         if [[ -d "$dout" ]]; then
  14             rm -r "$dout";
  15         fi;
  16         mkdir "$dout";
  17         n=1;
  18         for path in "${images[@]}"; do
  19             fnew="${dout}/$(printf "%06d" "$n").jpg";
  20             cp "$path" "$fnew";
  21             ((n++));
  22         done;
  23         # Add cover file if present
  24         if [[ -f cover.jpg ]]; then
  25             cp -n cover.jpg "${dout}/000000.jpg";
  26         fi;
  27         # Remove duplicate images
  28         if command -v jdupes 1>/dev/random 2>&1; then
  29             jdupes -dN "$dout";
  30         fi;
  31         faout="output.cbz";
  32         if [[ -f "$faout" ]]; then
  33             rm "$fout";
  34         fi;
  35         zip -j output.cbz "$dout"/*;
  36     ) &
  37 done;
  38 wait && echo "STATUS:Finished." 1>&2;