Greg, Thanks, this'll be great to play around with.
Cheers, Matt On 2/4/07, Greg Fitzgerald <[EMAIL PROTECTED]> wrote:
Matt, > should finish evaluating when either the timer has run out or I recommend changing my implementation of hReadUntilStr so that the deadline is calculated upfront (have a look at System.Time), and then reducing the number of milliseconds for hReadUntilChar with each call to it. Thanks, Greg On 2/4/07, Matt Revelle <[EMAIL PROTECTED]> wrote: > > Thanks for the responses. > > Greg, your implementation looks useful but it's a little different > than what I was thinking (my apologies, I wasn't very clear). > > In the implementation you posted, the timeout parameter is used to > limit the amount of time spent waiting to read an individual character > - I was hoping to use the timeout as an initial value for a timer that > should start running when hReadUntilStr is evaluated and the function > should finish evaluating when either the timer has run out or when the > string match has been found. > > Martin, thanks for the link. > > Cheers, > Matt > > > On 2/3/07, Greg Fitzgerald < [EMAIL PROTECTED]> wrote: > > Hi Matt, > > > > > hReadUntilStr - that is, a function that takes a Handle as an input > > > source, a String to match, and a "Num a" as the number of seconds to > > > wait before returning a (String, Bool) where the String is all the > > > text read from the Handle until either matching or timing out and the > > > Bool is true if the input String was matched > > > > This might work for you: http://hpaste.org/289 . > > > > It throws an IO exception if hWaitForChar times out, and makes use of lazy > > evaluation to schedule all the IO upfront so that grabbing the string prefix > > can be done in pure code. > > > > Thanks, > > Greg > > > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe >
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