45 lines
1.2 KiB
Bash
45 lines
1.2 KiB
Bash
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#!/usr/bin/env bash
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set -euo pipefail
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shopt -s extglob
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if [ $# -ne 1 ]; then
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echo "Please use this script with a \"PATH\" to a folder your manga images"
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$(exit 1); echo "$?"
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fi
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dir=$1
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cd "$dir"
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out="$(basename "$dir")-cropped"
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# create a new directory to put our final cropped images
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mkdir -p "../$out"
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readarray -d '' images < <(find . -name "*\.jpeg" -print0)
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for image in "${images[@]}"; do
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# strip ./ from images and output current working on
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echo "Working on ${image#./}"
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noext="${image%.*}"
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ratio=$(identify -format "%[fx:w/h]" "$image")> /dev/null
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# get the image number
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num=$(echo "$noext" | grep -Eoe [0-9]{3})
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# strip leading 0s
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num="${num##+(0)}"
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[[ -z "${num}" ]] && num=0
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if (( $(echo "$ratio > 1" |bc -l) )); then
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# crop image in half
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convert -crop 50%x100% "$image" "../$out/$noext-%d.jpeg"
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# rename the -1, which is the first page to the original name
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mv "../$out/$noext-1.jpeg" "../$out/page${num}.jpeg"
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# increment image number
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((num++))
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# rename -0 to original image + 1 name
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mv "../$out/$noext-0.jpeg" "../$out/page${num}.jpeg"
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else
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# move all other images
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mv "$image" "../$out/page${num}.jpeg"
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fi
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done
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