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- Newsgroups: comp.sys.acorn.tech
- Path: sparky!uunet!mcsun!dxcern!dscomsa!vxdesy.desy.de!burke
- From: burke@vxdesy.desy.de
- Subject: variables (was: Re: Finding the CSD)
- Message-ID: <1992Dec16.191701.1@vxdesy.desy.de>
- Lines: 28
- Sender: usenet@dscomsa.desy.de (usenet)
- Organization: (DESY, Hamburg, Germany)
- References: <1ggb8lINNkfi@swan.doc.ic.ac.uk> <4813@svin09.info.win.tue.nl> <DBH.92Dec14185801@wombat.doc.ic.ac.uk>
- Date: Wed, 16 Dec 1992 19:17:01 GMT
-
- In article <DBH.92Dec14185801@wombat.doc.ic.ac.uk>, dbh@doc.ic.ac.uk (Denis Howe) writes:
- > Set FS <FileSwitch$CurrentFilingSystem>
- > SetEval CSD "<FS>:"+FileSwitch$<FS>$CSD
-
- I have a question - is it possible to append to a macro variable? E.g.:
-
- SetMacro foo <bar>
-
- Now I want to append to foo, to get the effect of:
-
- SetMacro foo <bar>,<thing>
-
- but in a way that doesn't require me to know the current value of foo.
- SetMacro foo <foo>,<thing> gives you infinite recursion, while
- Set foo <foo>,<thing> stops it being a macro. I think it's impossible (without
- writing a program), but am I right?
-
- Another question, while I'm at it - does anyone know if the use of sprite
- memory by SparkFS is compatible with MemFS? Incidentally, if you do use these
- together note that memfs redirects <wimp$scrapdir> into itself by default, so
- redefine the SparkFS temporary file to avoid problems!
-
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