19 [ ! -f .pid ] && _exit "Can't found '`pwd`/.pid'.\nTry to pgrep your process name and dump pid to that file."
23 [ "$1" = "" ] && _exit "Use: $0 <operation string>; i.e.: $0 help"
24 echo $1 > sigusr2.tasks.input
30 echo "You could see results on '`pwd`/sigusr2.tasks.output' file."