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rewritten help method to get rid of column dependency

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Lukas Schauer
2016-01-08 19:13:50 +01:00
parent 9f66bfdb50
commit 7727f5ea61
1 changed files with 7 additions and 14 deletions
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21
letsencrypt.sh
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@@ -502,29 +502,22 @@ command_revoke() {
# Usage: --help (-h)
# Description: Show help text
command_help() {
echo "Usage: ${0} [-h] [command [argument]] [parameter [argument]] [parameter [argument]] ..."
echo
echo "Default command: help"
echo
(
printf "Usage: %s [-h] [command [argument]] [parameter [argument]] [parameter [argument]] ...\n\n" "${0}"
printf "Default command: help\n\n"
echo "Commands:"
grep -e '^[[:space:]]*# Usage:' -e '^[[:space:]]*# Description:' -e '^command_.*()[[:space:]]*{' "${0}" | while read -r usage; read -r description; read -r command; do
if [[ ! "${usage}" =~ Usage ]] || [[ ! "${description}" =~ Description ]] || [[ ! "${command}" =~ ^command_ ]]; then
echo "Error generating help text." >&2
exit 1
_exiterr "Error generating help text."
fi
printf " %s\t%s\n" "${usage##"# Usage: "}" "${description##"# Description: "}"
printf " %-32s %s\n" "${usage##"# Usage: "}" "${description##"# Description: "}"
done
echo "---"
echo "Parameters:"
printf -- "\nParameters:\n"
grep -E -e '^[[:space:]]*# PARAM_Usage:' -e '^[[:space:]]*# PARAM_Description:' "${0}" | while read -r usage; read -r description; do
if [[ ! "${usage}" =~ Usage ]] || [[ ! "${description}" =~ Description ]]; then
echo "Error generating help text." >&2
exit 1
_exiterr "Error generating help text."
fi
printf " %s\t%s\n" "${usage##"# PARAM_Usage: "}" "${description##"# PARAM_Description: "}"
printf " %-32s %s\n" "${usage##"# PARAM_Usage: "}" "${description##"# PARAM_Description: "}"
done
) | column -t -s $'\t' | sed 's/^---$//g'
}
# Usage: --env (-e)