Example of a logger.

logger.sh

@@ -0,0 +1,51 @@
+# Log levels for messages
+LLMute=0
+LLMdtry=1  # mandatory: messages that are always written to the log (except mute)
+LLError=2
+LLWarning=3
+LLInfo=4
+LLDebug=5
+## Actual log level of the logger used
+Log_Level=$LLDebug
+
+## Name of the logging script
+Log_Name="myscript";
+
+## Write log of the script.
+## $1 Loglevel to log the message with.
+## $2 message to log.
+function logger() {
+	local _logging_level=$1;
+	local _log_message=$2;
+	if [[ $Log_Level -lt $_logging_level ]]; then
+		return;
+	fi
+	local _now=$($DATE +%Y%m%d_%H:%M:%S);
+	if [[ $_logging_level -eq $LLInfo ]]; then
+		_type=" Info:";
+	elif [[ $_logging_level -eq $LLError ]]; then
+		_type=" ERROR!";
+	elif [[ $_logging_level -eq $LLWarning ]]; then
+		_type=" Warning:";
+	elif [[ $_logging_level -eq $LLDebug ]]; then
+		_type=" DEBUG:";
+	else
+		_type=":";
+	fi
+	printf "$Log_Name ${_now}${_type} ${_log_message}\n" >> $Log_File;
+	if [[ $Log_Level -eq $LLDebug ]]; then
+		printf "$Log_Name ${_now}${_type} ${_log_message}\n";
+	fi
+}
+
+function test() {
+	echo $DATE
+}
+
+DATE=$(which date);
+
+Run_Date=$($DATE +%Y_%m_%d)
+Log_File="/tmp/${Run_Date}_${Log_Name}.log";
+
+
+test