Thank you for your response. Here is a Challenge Your code works in v5.10.1 Binary build 1007 291969 but not Binary build 1006 291086 My former code worked in Build 1006 but not 1007. point.csv does exist.. in the same directory Here is my error message.. still peculiar to a file open issue. The File.pm is ~2009 on the 1007 build and ~2008 on the 1006 build. 
C:\....>afs_filter.pl

Execution ERROR:  Cannot open point: No such file or directory at C:/P
+erl64/lib/DBD/File.pm line 579.
.

DBD::CSV::st fetchrow_array failed: Attempt to fetch row without a pre
+ceeding execute() call or from a non-SELECT statement [for Statement 
+"SELECT RECORD,SUBSCRIPT,ID_SUBSTN,CO_SUBSTN,AREA_SUBSTN,ID_D
EVTYP,ID_DEVICE,NAME_DEVICE,AREA_DEVICE,ID_MEAS,ID_POINT,SITE_POINT,AR
+EA_POINT FROM point WHERE ID_DEVTYP LIKE 'INTELI%' AND ID_POINT  LIKE
+ 'AUTO%'"] at C:\....afs_filter.pl line 53.

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Any ideas? Thanks

In reply to Re^4: DBD::CSV::st execute failed. No such file or directory at C:/Perl64/lib/DBD/File.pm line 565 by PrincessofPERL
in thread DBD::CSV::st execute failed. No such file or directory at C:/Perl64/lib/DBD/File.pm line 565 by PrincessofPERL

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