@read_file(file:string)
See also Data Exchange Functions: @dump @dumpvar @gnuplot @json_read @json_string @json_write @loadvalue @loadvar @nim2vezer @parse @plot @read_file @rplot @savevalue @set_osc_handling_double @set_osc_handling_int64 @set_osc_handling_tab @string2fun @string2obj @string2proc @to_num @xml_read @xml_string