+if [ -z "$FILE" ]
+then
+ echo $1 > sigusr2.in
+else
+ [ ! -f "$FILE" ] && _exit "Can't found provided file '$FILE'."
+ grep -v "^#" $FILE | sed '/^[ \t]*$/d' > sigusr2.in
+fi
+0> sigusr2.out
+kill -s SIGUSR2 $PID
+# Detect EOF and print all except that last line:
+while [ -z "$(tail -1 sigusr2.out | grep ^EOF)" ]; do sleep 0.1; done
+head --lines=-1 `pwd`/sigusr2.out