system_setproperty — set a system property indicated by a specified key and value.
prev = system_setproperty(key,value)
a string previous value or []
a string
Sets the system property indicated by the specified key.
Warning : change property with precaution.
system_getproperty('myproperty') system_setproperty('myproperty','hello') system_getproperty('myproperty')
A.C