#1355: Interactive I/O with ghc doesn't prompt until after reading
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Reporter: [EMAIL PROTECTED] | Owner:
Type: bug | Status: closed
Priority: normal | Milestone:
Component: Prelude | Version: 6.2
Severity: normal | Resolution: invalid
Keywords: interactive stdio late prompt | Difficulty: Unknown
Os: Multiple | Testcase:
Architecture: Multiple |
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Changes (by simonmar):
* resolution: => invalid
* status: new => closed
Comment:
You're expecting unbuffered output, but GHC does line-buffering by default
when outputting to a terminal. If you want no buffering, you have to ask
for it: `hSetBuffering stdout NoBuffering`, or else use explicit flushing:
`hFlush stdout`.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1355>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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