srm-request  srm://host:port/wsept -lifetime <seconds> -s srm://host:port/wsept\?SFN=/source_filepath

% srm-request -s srm://dmx09.lbl.gov:8444/srm/V2/Server\?SFN=/srmcache/asim/mytest.file -lifetime 600

srm-request SRM-Clients and BeStMan Copyright(c) 2007-2008,
Lawrence Berkeley National Laboratory. All rights reserved.
Support at SRM@LBL.GOV and documents at http://datagrid.lbl.gov/bestman
 
SRM-CLIENT: Connecting to serviceurl httpg://dmx09.lbl.gov:8444/srm/V2/Server
SRM-REQUEST: LifeTime        : 600

SRM-REQUEST: Fri Aug 01 13:09:59 PDT 2008 Calling SrmExtFileLT
SRM-REQUEST: NewFileLifeTime=600
SRM-REQUEST: SURL=srm://dmx09.lbl.gov:8444/srm/V2/Server?SFN=/srmcache/asim/mytest.file
	status=SRM_SUCCESS
	explanation=null
	SURL=srm://dmx09.lbl.gov:8444/srm/V2/Server?SFN=/srmcache/asim/mytest.file
	status=SRM_SUCCESS
	explanation=null
	FileLifeTime=515
	PinLifeTime=null