K, so I’m currently working on an application that, if the user doesn’t provide
any options/operands, reads from STDIN, like GNU cat. I just finished adding
signal-handling for SIGINT (Ctrl-c), however, now whenever I press Ctrl-c
nothing happens because (read-char) hangs until I press enter. Is there a way
to use (read-char) that won’t make it hang? Maybe something like: (if
(not-null? (peek-char)) (read-char))? I saw that (char-ready?) is supposed to
prevent the next call to (read-char) from hanging, but (while I’m sure that
(char-ready?) in fact works) I can’t seem to get it to work.
Anyone have any experience with this kind of issue; would using (read-line)
instead of (read-char) make a positive difference? (I doubt it would)
--
Alexej Magura
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