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#!/bin/bash
set -e
LEARNFILE=/var/lib/games/phalanx.learn
if ! test -f $LEARNFILE ; then
cat <<EOF
Learning file not found.
Phalanx can use learning file for improving its strength.
Its size is determined by number of 8 B hashing items.
EOF
ANSWERED=0
DEFAULT=32768
until [ "$ANSWERED" -eq 1 ]; do
echo -n "Number of items in the learning file [default $DEFAULT] "
read ITEMS
if [ -n "$ITEMS" ]; then
OLDTEST=""
TEST="$ITEMS"
while [ "$TEST" != "$OLDTEST" ]; do
OLDTEST="$TEST"
TEST=${TEST##[0-9]}
done
if [ -z "$TEST" ]; then
if [ ${#ITEMS} -gt 6 ] || [ "$ITEMS" -lt 1 ]; then
echo "Please use number in the range 1-999999."
else
ANSWERED=1
fi
fi
else
ITEMS=$DEFAULT
ANSWERED=1
fi
done
echo "Creating learning file of the size $((ITEMS*8)) B ..."
dd if=/dev/zero of="$LEARNFILE" bs=8 count=$ITEMS >/dev/null
chown root.games "$LEARNFILE"
chmod 664 "$LEARNFILE"
fi
if test -x /usr/bin/update-menus; then update-menus; fi
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