44 lines
1.1 KiB
Bash
Executable File
44 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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# Copies first body h1 text into title
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#
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# Copyright (C) 2019 Mike Gerwitz
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This assumes that an <article> tag exists and assumes that is the main
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# content from which the title ought to be derived.
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##
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set -euo pipefail
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main()
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{
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local -r placeholder=${1?Missing placeholder}
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local body;
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body=$( cat )
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local title
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title=$(
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<<<"$body" grep -A1 '<article' \
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| grep '<h1' \
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| grep -oP '(?<=>)[^<]+' \
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)
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sed "s#$placeholder#${title/&/\\&}#" <<< "$body"
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}
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main "$@"
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