15 [[ "$1" = "" ]] && _exit "Use: $0 <operation string>; i.e.: $0 help"
17 PID=$(pgrep `basename $EXE`)
18 [[ $? -ne 0 ]] && _exit "Can't found the process '$EXE'. Use './run.sh' to start it."
21 echo $1 > sigusr2.tasks.input
27 echo "You could see results on './sigusr2.tasks.output' file."