finding ....

[Pixel]

Lennart Augustsson <lennart@augustsson.net> writes:

> > Diego Yanivello wrote:
> > 
> > > hi,    is there (in Haskell) a function like        existFile :: FilePath ->
> > > IO (Bool) ? Thanks!
> 
> Using such a function is generally a bad idea because of race conditions.

however, real world programs use those tests since you don't need to care
*everytime* about race conditions. (of course using this existFile before
creating a temporary file is wrong, but existFile has *many* other
applications)