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https://gitlab.manjaro.org/applications/manjaro-architect
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77 lines
1.9 KiB
Bash
77 lines
1.9 KiB
Bash
#!/usr/bin/env bash
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# BASH3 Boilerplate: ini_val
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#
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# This file:
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#
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# - Can read and write .ini files using pure bash
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#
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# Limitations:
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#
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# - All keys inside the .ini file must be unique, regardless of the use of sections
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#
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# Usage as a function:
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#
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# source ini_val.sh
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# set: ini_val data.ini connection.host 127.0.0.1
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# read: ini_val data.ini connection.host
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#
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# Usage as a command:
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#
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# ini_val.sh data.ini connection.host 127.0.0.1
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#
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# Based on a template by BASH3 Boilerplate v2.3.0
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# http://bash3boilerplate.sh/#authors
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#
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# The MIT License (MIT)
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# Copyright (c) 2013 Kevin van Zonneveld and contributors
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# You are not obligated to bundle the LICENSE file with your b3bp projects as long
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# as you leave these references intact in the header comments of your source files.
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function ini_val() {
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local file="${1:-}"
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local sectionkey="${2:-}"
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local val="${3:-}"
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local delim=" = "
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local section=""
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local key=""
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# Split on . for section. However, section is optional
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IFS='.' read -r section key <<< "${sectionkey}"
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if [[ ! "${key}" ]]; then
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key="${section}"
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section=""
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fi
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local current
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current=$(awk -F "${delim}" "/^${key}${delim}/ {for (i=2; i<NF; i++) printf \$i \" \"; print \$NF}" "${file}")
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if [[ ! "${val}" ]]; then
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# get a value
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echo "${current}"
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else
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# set a value
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if [[ ! "${current}" ]]; then
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# doesn't exist yet, add
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if [[ ! "${section}" ]]; then
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# no section was given, add to bottom of file
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echo "${key}${delim}${val}" >> "${file}"
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else
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# add to section
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grep "^\[${section}\]" "${file}" &>/dev/null || echo -e "\n[${section}]">>"${file}"
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sed -i -e "/\[${section}\]/a ${key}${delim}${val}" "${file}"
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fi
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else
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# replace existing
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sed -i -e "/^${key}${delim}/s/${delim}.*/${delim}${val}/" "${file}"
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fi
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fi
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}
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if [[ "${BASH_SOURCE[0]}" != "${0}" ]]; then
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export -f ini_val
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else
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ini_val "${@}"
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exit ${?}
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fi
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