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53 lines
1.5 KiB
Bash
Executable file
53 lines
1.5 KiB
Bash
Executable file
#!/bin/bash
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# Downloads and converts an article to EPUB
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ok="yes"
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if ! command -v mercury-parser >/dev/null; then
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echo 'Could not find mercury-parser. Get it from:' >&2
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echo ' https://mercury.postlight.com/web-parser/' >&2
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ok="no"
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fi
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if ! command -v jq >/dev/null; then
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echo 'Could not find jq. Get it from:' >&2
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echo ' https://stedolan.github.io/jq/' >&2
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ok="no"
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fi
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if ! command -v pandoc >/dev/null; then
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echo 'Could not find pandoc. Get it from:' >&2
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echo ' https://pandoc.org/' >&2
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ok="no"
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fi
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if [ "$ok" != "yes" ]; then
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exit 1
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fi
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if [ -z "$1" ]; then
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echo 'You must specify at least one URL.' >&2
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exit 1
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fi
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echo "Parsing $1" >&2
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json=$(mercury-parser $1)
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title=$(echo $json | jq -r '.title // "Untitled"')
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author=$(echo $json | jq -r '.author // "Unknown"')
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pubdate=$(echo $json | jq -r '.date_published')
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description=$(echo $json | jq -r '.excerpt // ""')
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description="${description}<br><br><a href=\"${1}\">${1}</a>"
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content=$(echo $json | jq -r .content)
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shift
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for url in "$@"; do
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echo "Parsing and appending $url" >&2
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content="${content}$(mercury-parser $url | jq -r .content)"
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description="${description}<br><a href=\"${url}\">${url}</a>"
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done
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filename="${author} - ${title}.epub"
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pandoc -f html -o "${filename}" \
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--metadata title="${title}" \
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--metadata author="${author}" \
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--metadata date="${pubdate}" \
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--metadata description="${description}" \
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<(echo $content) \
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&& echo "Wrote ${filename}" >&2
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