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git://xwords.git.sourceforge.net/gitroot/xwords/xwords
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38 lines
606 B
Bash
Executable file
38 lines
606 B
Bash
Executable file
#!/bin/sh
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set -e -u
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CONNNAME=""
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LASTLINE=""
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INTERVAL=30
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usage() {
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[ $# -gt 0 ] && echo "Error: $1"
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echo "Usage: $(basename $0) connname"
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exit 1
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}
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read_row() {
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echo "select * from games where connname='${CONNNAME}';" | psql xwgames | grep $CONNNAME
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}
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print_line() {
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echo "$(date): $LASTLINE"
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}
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[ $# -eq 1 ] || usage
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CONNNAME=$1
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LASTLINE=$(read_row $CONNNAME)
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[ -z "$LASTLINE" ] && usage "$CONNNAME not found"
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print_line
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while :; do
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sleep $INTERVAL
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NEWLINE=$(read_row)
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if [ "$NEWLINE" != "$LASTLINE" ]; then
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LASTLINE="$NEWLINE"
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print_line
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fi
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done
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