1 | #! /bin/sh |
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2 | #| -*- scheme -*- |
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3 | exec csi -s $0 "$@" |
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4 | |# |
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5 | |
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6 | ;; dd if=/dev/zero of=/tmp/ok bs=3075 count=1 |
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7 | |
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8 | (use srfi-4) |
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9 | (use ports) |
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10 | |
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11 | (define (read-bytevectorx! bv read-port) |
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12 | (read-u8vector! #f bv read-port)) |
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13 | |
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14 | (let* ((bv (make-u8vector 1024)) |
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15 | (read-port (open-input-file "/tmp/ok")) |
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16 | (pd (make-input-port |
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17 | (lambda () (read-char read-port)) |
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18 | (lambda () (char-ready? read-port)) |
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19 | (lambda () (close-input-port read-port))))) |
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20 | |
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21 | (let loop () |
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22 | (let ((got (read-bytevectorx! bv pd))) |
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23 | (display got) |
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24 | (newline) |
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25 | (if (> got 0) (loop))))) |
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26 | |
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