mv

sh/log/log.sh

@@ -0,0 +1,68 @@
+RWX_LOG_LEVEL_FATAL=0
+RWX_LOG_LEVEL_ERROR=1
+RWX_LOG_LEVEL_WARN=2
+RWX_LOG_LEVEL_INFO=3
+RWX_LOG_LEVEL_DEBUG=4
+RWX_LOG_LEVEL_TRACE=5
+
+RWX_LOG_LEVEL=${RWX_LOG_LEVEL_INFO}
+
+rwx_log() { rwx_log_info "${@}"; }
+
+rwx_log_debug() {
+	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_DEBUG}" ]; then
+		_rwx_log "[DEBUG]" "${@}"
+	fi
+}
+
+rwx_log_error() {
+	local code="${1}"
+	shift
+	[ -n "${code}" ] || rwx_log_fatal 1 "No error code"
+	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_ERROR}" ]; then
+		_rwx_log "[ERROR]" "${@}" >&2
+		return "${code}"
+	fi
+}
+
+rwx_log_fatal() {
+	local code="${1}"
+	shift
+	[ -n "${code}" ] || rwx_log_fatal 1 "No error code"
+	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_FATAL}" ]; then
+		_rwx_log "[FATAL]" "${@}" >&2
+		exit "${code}"
+	fi
+}
+
+rwx_log_info() {
+	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_INFO}" ]; then
+		_rwx_log "" "${@}"
+	fi
+}
+
+rwx_log_trace() {
+	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_TRACE}" ]; then
+		_rwx_log "[TRACE]" "${@}"
+	fi
+}
+
+rwx_log_warn() {
+	if [ "${RWX_LOG_LEVEL}" -ge "${RWX_LOG_LEVEL_WARN}" ]; then
+		_rwx_log "[ WARN]" "${@}"
+	fi
+}
+
+_rwx_log() {
+	local prefix="${1}"
+	shift
+	[ ${#} -gt 0 ] || set -- ""
+	local line
+	for line in "${@}"; do
+		if [ -n "${prefix}" ]; then
+			__rwx_log "${prefix} ${line}"
+		else
+			__rwx_log "${line}"
+		fi
+	done
+}