icingacli - detect unreadable config or non writable output file

icinga-cli.sh

@@ -313,8 +313,8 @@ function processCheck(){
       # $myFullscript $myparams | tee $_outfile
       eval $myFullscript $myparams > $_outfile
       rc=$?
-      if [ $rc -ne 0 ]; then
-	echo "ERROR: unable to write file $_outfile. Maybe the setup is inclomplete or someone created a file as root."
+      if [ ! -w $_outfile ]; then
+	echo "ERROR: file $_outfile is not writable. Maybe the setup is inclomplete or someone created a file as root... just guessing."
 	ls -ld ${dir_data} $_outfile
 	exit 1
       fi