added BASEPATH to allow for execution via symlink

OCRmyPDF.sh

@@ -4,7 +4,8 @@
 ##############################################################################
 
 # Import required scripts
-. "`dirname $0`/src/config.sh"
+BASEPATH="$(dirname $(readlink -f $0))"
+. "$BASEPATH/src/config.sh"
 
 # Set variables corresponding to the input parameters
 ARGUMENTS="$@"
@@ -128,7 +129,7 @@ FILE_OUTPUT_PDFA="`absolutePath "$2"`"
 
 
 # set script path as working directory
-cd "`dirname $0`"
+cd "$BASEPATH"
 
 [ $VERBOSITY -ge $LOG_DEBUG ] && echo "$TOOLNAME version: $VERSION"
 [ $VERBOSITY -ge $LOG_DEBUG ] && echo "Arguments: $ARGUMENTS"