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#!/usr/bin/env bash
self=clwr
if (($# != 1)) ; then
printf >&2 '%s: Need output file\n' "$self"
exit 2
elif [[ ! -t 0 ]] ; then
printf >&2 '%s: stdin not a terminal\n' "$self"
exit 2
elif [[ ! -t 1 ]] ; then
printf >&2 '%s: stdout not a terminal\n' "$self"
exit 2
fi
exec 3>"$1"
while { clear && IFS= read -er line ; } ; do
printf '%s\n' "$line" >&3
done
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