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https://github.com/ben-grande/qusal.git
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bdd4c789c1
Echo can interpret operand as an option and checking every variable to be echoed is troublesome while with printf, if the format specifier is present before the operand, printing as string can be enforced.
45 lines
1.2 KiB
Bash
Executable file
45 lines
1.2 KiB
Bash
Executable file
#!/bin/sh
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## SPDX-FileCopyrightText: 2023 - 2024 Benjamin Grande M. S. <ben.grande.b@gmail.com>
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##
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## SPDX-License-Identifier: AGPL-3.0-or-later
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## Requires: https://github.com/mzlogin/vim-markdown-toc
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set -eu
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usage(){
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printf '%s\n' "Usage: ${0##*/} <file> [file ...]"
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exit 1
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}
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case "${1-}" in
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""|-h|--help) usage;;
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*) ;;
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esac
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## vim-markdown-toc deletes lines if they are folded, can't rely on its native
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## update on save.
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if ! vim -e -c 'setf markdown' -c 'if !exists(":GenTocGFM") | cq | endif' -c q
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then
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err_msg="Error: Vim Plugin mzlogin/vim-markdown-toc isn't installed."
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printf '%s\n' "${err_msg}" >&2
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exit 1
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fi
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for f in "${@}"; do
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if ! test -f "${f}"; then
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printf '%s\n' "Error: Not a regular file: ${f}" >&2
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exit 1
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fi
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if ! grep -q -e "^## Table of Contents$" -- "${f}"; then
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printf '%s\n' "Could not find TOC in file: ${f}, skipping" >&2
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continue
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fi
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## This is fragile, the table of contents should have at least one block
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## separated by an empty line before the nest heading, else it will delete
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## the rest of the file.
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vim -c 'norm zRgg' -c '/^## Table of Contents$' -c 'norm jd}k' \
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-c ':GenTocGFM' -c 'norm ddgg' -c wq -- "${f}"
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printf '%s\n' "Updated TOC in file: ${f}"
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done
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