Jon wrote:
Alex recommended "read from file tName until cr". Is this the
prefered approach, or should it be "until return"? I'm not sure which
is the most portable approach.
:)
Jon,
You need to read the Doc entry for "return" very carefully.
Then have a large cup of espresso, and then read it again.
(substitute your local equivalent to espresso; here in Scotland it's
hard to find a good cup of coffee, so I usually choose Lagavullin Malt
Whisky instead :-)
'cr' is a constant - equivalent to the constant 'return' and equivalent
to the constant 'lf'
they are all equivalent to numtochar(10)
i.e. CR is not the ascii carriage return character, commonly called "cr".
If you read (or write) a file having specified "text" mode in the open
statement, the native line ending (LF on Unix, carriage return on OSX,
CRLF on Windows) is translated on the fly into the Rev standard which is
CR (or any of the synonyms as above).
So - assuming I have understood it all properly, and I'm on about my
fifth reading of this part of the docs today :-), what I used in the
earlier email is the most portable way to do it - but even it is still
vulnerable to files which been copied from other systems in binary mode
and hence have preserved the "wrong" line endings.
--
Alex Tweedly http://www.tweedly.net
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