48 lines
1.2 KiB
Bash
48 lines
1.2 KiB
Bash
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#!/bin/bash
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# Postprocesses all fetched comics from the fetch-comics.py file
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set -euo pipefail
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HERE="$(dirname "$0")"
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DATA_DIR="$HERE/data"
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IMAGE_DIR="$DATA_DIR/images"
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OUT_DIR="$HERE/out"
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#alt_json="$HERE/alt_text.json"
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alt_json="$DATA_DIR/alt_text.json"
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if [[ ! -f "$alt_json" ]]; then
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echo "Could not find $alt_json - have you run the fetch script?"
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exit 1
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fi
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mkdir -vp "$OUT_DIR"
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# Get the list of all comic dates
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readarray -t dates < <(jq -r 'keys[]' < "$alt_json")
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#echo ${#dates[@]}
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for date in "${dates[@]}"; do
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echo -n "Processing comic $date ... "
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image_in="$IMAGE_DIR/$date.gif"
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image_out="$OUT_DIR/$date.png"
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if [[ -f "$image_out" ]]; then
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echo "already exists, skipping"
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continue
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fi
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alt_text="$(jq -r ".[\"$date\"]" < "$alt_json")"
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if [[ -z "$alt_text" ]]; then
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convert "$image_in" \
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-background white -alpha background \
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"$image_out"
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else
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convert "$image_in" \
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-background white -alpha background \
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-gravity center \
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-pointsize 12 -size 360x caption:"$alt_text" \
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-append \
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"$image_out"
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fi
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echo "OK"
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done
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