foreach(file
  JDateAndTime
  JEcho
  JGlob
  JKeypress
  JLs
  JMemoryUsage
  JNetwork
  JProcess
  JShell
  JStat
  JSysinfo
  JTime
  getShell
  )
  jpp_add_executable(${file} SOURCES ${file}.cc LINK_LIBRARIES km3net::JSystem)
endforeach()