Writing into a cell in rpas

Hi,

How to write/modify an array in rpas like below.

In master domain a file domain_properties has below specification.

> printArray -array <path>/admin.domain_properties -specs

<I 2017Jul17 17:34:43.868> File lock timeout set to: 60000

<D 2017Jul17 17:34:43.868>

<D 2017Jul17 17:34:43.868>

<D 2017Jul17 17:34:43.868> Current file descriptor limit is 327679.

<B 2017Jul17 17:34:43.869>

<B 2017Jul17 17:34:43.869> SPECS FOR ARRAY: domain_properties

<B 2017Jul17 17:34:43.869> ----------------------------------

<B 2017Jul17 17:34:43.869>

<B 2017Jul17 17:34:43.869> NOBS           = 10    NODS       = 1    POP COUNT  = 10    NA         =

<B 2017Jul17 17:34:43.869>

<B 2017Jul17 17:34:43.869> info:

<B 2017Jul17 17:34:43.869>   alert_mgr_check_status  alerts_tab_disabled  alertwbs_tab_disabled  domain_type  navalue_opt  task_failed_limit  task_success_limit  task_time_limit  reindex_in_progress  dimregistry_version