[Swift-devel] [Bug 291] New: Add a exists() function to test for file existence

[Allan Espinosa]

Would it be better to handle it as an exception?

type file;

app foo (file x) {
    foo x;
}

app (file x)  produce_a () {
}

file a <"dne">;

try{
  foo (a);
}
catch (dne) {
    a = produce_a();
    foo(a);
}

2011/3/31  <bugzilla-daemon at mcs.anl.gov>:
> https://bugzilla.mcs.anl.gov/swift/show_bug.cgi?id=291
>
>           Summary: Add a exists() function to test for file existence
>           Product: Swift
>           Version: 0.93
>          Platform: PC
>        OS/Version: Mac OS
>            Status: NEW
>          Severity: enhancement
>          Priority: P1
>         Component: SwiftScript language
>        AssignedTo: wozniak at mcs.anl.gov
>        ReportedBy: wilde at mcs.anl.gov
>
>
> Requested by John Dennis / NCAR.
>
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-- 
Allan M. Espinosa <http://amespinosa.wordpress.com>
PhD student, Computer Science
University of Chicago <http://people.cs.uchicago.edu/~aespinosa>