John Ridge wrote:
I need to read from a text file until I hit EOF - but in the meantime I want
to process each of the chunks I'm reading (separated by delimiters).
It seemed obvious and natural to start off, after opening the file,
repeat until EOF
read from file xxx until <delimiter>
...process next chunk...
end repeat
But, alas, this runs forever - it doesn't encounter EOF, although I was
careful to "close" the file when I wrote it out. I can't find anything in
the docs that explains why it doesn't work. Should it?
Apologies if the answer is just too obvious!
John
EOF is simply a constant for "an end of file character"
One way you can do what you want (there are bound to be others :-) is ...
open file tName for read
repeat forever
read from file tName until cr
if the result = "eof" then exit repeat
put it & cr after msg -- to check it is being read
end repeat
put "done" & cr after msg -- to check we exit OK
... note "result" can be set to other values if there is an error -
depending on circumstances, you may want to check for that happening.
--
Alex Tweedly http://www.tweedly.net
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