[Swift-user] swift syntax problem (please ignore the previous one )

Ben Clifford benc at hawaga.org.uk
Fri May 29 18:41:58 CDT 2009

You can use some code like the below. This uses the simple mapper to 
generate a new filename for otherfile, based on substituting "foo" for 

type messagefile;

app (messagefile t) greeting() { 
    echo "Hello, world!" stdout=@filename(t);

messagefile outfile <"/tmp/hello.txt">;
messagefile otherfile 
<single_file_mapper;file="/"+ at regexp(@filename(outfile),"hello","foo")>;

otherfile = greeting();

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