I'm trying to process TIGER data for every county in the US and have run
into a problem with the fileexists() function. My MapBasic program is
looping through each county by reading a path name from a dbf and adding a
table name (e.g. 'E:\tiger2004fe\KY\21111\mapinfo\AllData.Tab'). Everything
works fine until the loop reaches the second folder for Nevada. I know the
folder and table exist yet fileexists() returns false.
The basic code from the program is below:
************************
Open Table "E:\tiger2004fe\pathlist.TAB" Interactive
fetch first from pathlist
do while not eot(pathlist)
workp=pathlist.path
print workp
print done
print FileExists(workp+"AllData.tab")
If not FileExists(workp+"AllData.tab") then
goto skiprec
End If
open table workp+"AllData.tab"
'*****************
'Process data here
'*****************
skiprec:
fetch next from pathlist
loop
************************
Has anyone else experienced anything similar?
BTW, I'm using MapInfo & MapBasic <gulp> 4.5 w/XP Pro.
Thank you,
Dan Phillips
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