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#!/bin/bash
# wait for a string to appear at the end of file
# tridge@samba.org July 2008
[ $# -lt 3 ] && {
cat <<EOF
Usage: waitfor FILE MESSAGE TIMEOUT
EOF
exit 1
}
file="$1"
msg="$2"
timeout="$3"
tmpfile=`mktemp`
cat <<EOF > $tmpfile
spawn tail -n 10000 -f $file
expect -timeout $timeout -re "$msg"
EOF
export LANG=C
expect $tmpfile
rm -f $tmpfile
if ! grep -E "$msg" $file > /dev/null; then
echo "Failed to find \"$msg\" in $file"
exit 1
fi
exit 0
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