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8b5eb68238
They can be close()d explicitly with close-file-descriptor, and will close() on gc, but only explicitly closing the last port on them will close the fileno. Notably needed for network sockets where we open separate input and output ports on the same socket.
16 lines
424 B
Scheme
16 lines
424 B
Scheme
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(define (show-string str)
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(display "string: ")
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(display (substring str 0 (min (string-length str) 4)))
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(display "...\n"))
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(define str-length (inexact->exact (round (* 2 1024 1024)))) ;; 2MB
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(define str1
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(let ((tmp (make-string str-length #\a)))
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(string-set! tmp 0 #\")
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(string-set! tmp (- str-length 1) #\")
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tmp))
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(show-string str1)
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(define str2 (call-with-input-string str1 read))
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(show-string str2)
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