Hi David,
I don't know if this is the total answer to your problem, but you're
mixing "repeat" forms.
Using the "repeat for each" form, you would normally examine the
contents of the line variable you named in the repeat. But your code
always check line 1 of the 'parent' container instead.
Try this:
repeat for each line thisLine in tSource
if item 2 of thisLine <> "0" then
put tThisLine & cr after tCleanSource
end if
end repeat
delete last char of tCleanSource -- the trailing CR
Or if you want to use the "repeat with" form, try this:
repeat with x = the number of lines in tSource down to 1
if item 2 of line x of tSource = "0" then
delete line x of tSource
end if
end repeat
In the 2nd example, it's safest to go from end to beginning of the data
since you're deleting lines by their line number. Going from start to
end will cause the loop to skip a line whenever one is deleted.
Also, the first example will be faster. The larger your file, the more
you'll see the difference in speed.
Take care -
Phil Davis
David Coker wrote:
Hello folks,
I have a handler built that does nothing more than checking for a zero
in a specific item located in a scrolling text field and if found,
deletes the entire line. It seemed to work flawlessly with all of the
test files that I had chosen to work with while building the app. No
problem, I thought.
Then I started using an assortment of real data (all CSV format, with
the target item in the same location), only to find that I was getting
unreliable results. I have a fairly large data file where the app
always works, yet another much smaller one that the target zeros are
almost ignored. I can mix and match sample data from both files and
get varied results. I've even tried sorting the field to get them up
to the top of the file, but that doesn't seem to make a difference.
repeat for each line thisLine in tSource
if item 2 of line 1 of tSource = "0" then
delete line 1 of tSource
end if
end repeat
The sample files I'm using came from different sources, but are
otherwise identical in general composition, structure and delimited
format. Any ideas as to what I need to be looking for? Still using the
2.51 studio version. (bummer!)
I'd totally appreciate any boost in the right direction.
David
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Phil Davis
PDS Labs
Professional Software Development
http://pdslabs.net
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