Merge pull request 'Added better logging capabilities for debugging.' (#4) from issue1/bilderupload into master

Reviewed-on: swg/IMG-Helpr#4

img-helpr.sh

@@ -13,6 +13,25 @@
 ##  - November 2017, Version 1.01, Vorschaubild wird aus Exif geholt, wenn vorhanden
 ## MODIFY AND SHARE AS YOU LIKE!
 
+# Log levels for messages
+LLMUTE=0
+LLERROR=1
+LLWARNING=2
+LLINFO=3
+LLDEBUG=4
+# Actual log level of the logger used
+LOGLEVEL=$LLDEBUG
+
+# Write log of the script
+function logger() {
+LOGGINGLEVEL=$1;
+LOGMESSAGE=$2;
+if [ $LOGLEVEL -ge $LOGGINGLEVEL ];
+then
+	echo ${LOGMESSAGE};
+fi
+}
+
 function CleanUp()
 {
 if [ -f "$local_blog_path/preview.jpg" ]; then
@@ -34,11 +53,12 @@ if [ -x ${WITHFULLPATH} ];
 then
 	echo ${WITHFULLPATH};
 else
-	echo "${EXECUTABLE} not found! abort."
+	$(logger $ERROR "${EXECUTABLE} not found! abort.");
 	exit 1;
 fi
 }
 
+
 # Was wir am Anfang brauchen
 PATH=$PATH:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin:/global/bin:/global-common/scripts:/usr/sfw/bin:/opt/sfw/bin:/usr/ccs/bin:/usr/xpg4/bin:/opt/SUNWspro/bin:/usr/dt/bin:/usr/openwin/bin:/usr/ucb:/opt/bin
 
@@ -68,8 +88,8 @@ PRINTF=$(which_is "printf");
 SED=$(which_is "sed");
 
 SCRIPTNAME=$(echo $0 | sed -e 's/.*\///g');
-VERSION="1.05";
-VERS=1.05;
+VERSION="1.06";
+VERS=1.06;
 ME=$(whoami);
 TMPPFAD=/tmp;
 MYHOME=$(echo ~);
@@ -79,8 +99,8 @@ exec 3> >($MSGDIALOG --notification --listen);
 # The PID of zenity is needed to kill the process at the end of the script
 ZenityPID=$!;
 #((ZenityPID=ZenityPID+1)) # this is a workaround as I don't know how to get the PID of zenity (but get the one of exec)
-echo "tooltip:Scrip ${SCRIPTNAME}, Version ${VERSION}" >&3
-
+echo "tooltip:Script ${SCRIPTNAME}, Version ${VERSION}" >&3
+#$(logger 3 "Script ${SCRIPTNAME}, Version ${VERSION}");
 if [ ! $# -gt 0 ]; then
 	echo "img-helpr, Version: $VERSION, June 2021"
 	echo "Syntax:  img-helpr.sh IMG_FILE1 [IMG_FILE2 ...]";