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; cat -- echo back input
;
; This program echoes its input back to stdout until end of file is reached.
; Copyright (C) 2026 Sebastian G. Kirmayer <gloria@gloria-mundi.eu>
;
; Permission to use, copy, modify, and/or distribute this software for any
; purpose with or without fee is hereby granted.
;
; THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
; REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
; AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
; INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
; LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
; OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
; PERFORMANCE OF THIS SOFTWARE.
/\IO\fix:\/X((X->IO)->X->IO)->X->IO\read:IO->IO->IO->IO\write0:IO->IO\write1:IO->IO\exit:IO
fix IO (\f:IO->IO \_:IO read exit (write0 (f _)) (write1 (f _))) exit
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