cbz scripts

convert.sh

#!/usr/bin/env bash

# Convert a cbr file to cbz because rar is proprietary

set -e

tmpdir=$(mktemp -d)

cleanup() {
  rm -rf "$tmpdir" || true
}
trap cleanup ERR

if [ -z "$1" ]; then
  echo "USAGE: convert RARFILE"
  exit 1
fi

name=$(basename "$1" .rar)
unrar x "$1" "$tmpdir"
new_file="$(pwd)/$name.zip" 
cd "$tmpdir"
zip -r "$new_file" *
cd -
cleanup

# I hope you have a wonderful day :)
# - Kartik

shrink.sh

#!/usr/bin/env bash

# Shrink a CBZ file so that all images are <=2000px in height
# Requires: 7z, fd, GraphicsMagick

set -e

tmpdir=$(mktemp -d)

cleanup() {
  rm -rf "$tmpdir" || true
}
trap cleanup ERR

if [ -z "$1" ]; then
  echo "USAGE: mango CBZFILE"
  exit 1
fi

name=$(basename "$1")
7z x "$1" -o"$tmpdir"
fd . "$tmpdir" -epng -ejpg -ejpeg -ewebp \
  -x gm mogrify -verbose -resize x2000\> "{}"
new_file="$(pwd)/shrunk_$name" 
cd "$tmpdir"
7z a "$new_file" * -tzip
cd -
cleanup

# I hope you have a wonderful day :)
# - Kartik