I suppose you mean
curl -ku user:pass https://localhost:8089/servicesNS/admin/search/search/jobs/export -d search="search 2016/02/26 03:00:01,some_search_string" -d output_mode=csv
this "spreads" the search across the indexers and gives all available results (see below)
many many thanks
"_serial","_time",source,sourcetype,host,index,"splunk_server","_raw"
0,"2016-02-26 03:00:01.000 CET",www,"web_event","10.104.176.7","p_uno","splunk01-indexer","2016/02/26 03:00:01,some_search_string"
0,"2016-02-26 03:00:01.000 CET",www,"web_event","10.104.176.7","p_uno","splunk02-indexer","2016/02/26 03:00:01,some_search_string"
1,"2016-02-26 03:00:01.000 CET",www,"web_event","10.104.176.7","p_uno","splunk02-indexer","2016/02/26 03:00:01,some_search_string"
... View more