27 lines
870 B
Bash
27 lines
870 B
Bash
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#!/bin/bash
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set -euo pipefail
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# All paths from this point on are relative to the directory containing this
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# script, for simplicity's sake.
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cd "$( dirname "${BASH_SOURCE[0]}" )"
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# Read the config file using hcldec and then use jq to extract values in a
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# shell-friendly form. jq will ensure that the values are properly quoted and
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# escaped for consumption by the shell.
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CONFIG_VARS="$(hcldec --spec=spec.hcldec example.conf | jq -r '@sh "NAME=\(.name) GREETING=\(.greeting) FRIENDS=(\(.friends))"')"
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if [ $? != 0 ]; then
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# If hcldec or jq failed then it has already printed out some error messages
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# and so we can bail out.
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exit $?
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fi
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# Import our settings into our environment
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eval "$CONFIG_VARS"
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# ...and now, some contrived usage of the settings we loaded:
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echo "$GREETING $NAME!"
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for name in ${FRIENDS[@]}; do
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echo "$GREETING $name, too!"
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done
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