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Hello, I am planning to make setup for warm
standby databae in postgres. But I am facing problem when I try to apply WAL
files using shell scripts restore.sh. After applying exiting WAL file in
archive directory, it does not wait for next WAL files and come out and
write the message in database logfile which show that Archive
recovery is completed.Now system is ready for use. I check this restore.sh file and
tried to debug which show syntax error in below mentioned line. Can anybody tell me why it is
showing syntax error and why it is not waiting for next WAL files Restore.sh #!/bin/bash RESTORE_FROM=$1 RESTORE_TO=$2 DELAY=100000 TRIGGERED=0 TRIGGER_FILE="/home/backup/trigger" copyfunc() { if [ "$TRIGGERED" -eq
"0" ]; then
cp -v -i $RESTORE_FROM $RESTORE_TO fi } k=`expr
$1 : '.*\(history\)'` ------------this is the line which show
syntax error if [ "$k" ==
"history" ]; then copyfunc; exit $?; fi
while [ ! -f "$RESTORE_FROM" -a
"$TRIGGERED" -eq "0" ]; do
usleep $DELAY;
if [ -e $TRIGGER_FILE ]; then
TRIGGERED=1;
fi done copyfunc; when I debug this script through command
sh –x restore.sh it show like that. + RESTORE_FROM= + RESTORE_TO= + DELAY=100000 + TRIGGERED=0 + TRIGGER_FILE=/home/backup/trigger ++ expr
: '.*\(history\)' expr:
syntax error + k= + '[' '' == backup ']' + '[' '!' -f '' -a 0 -eq 0 ']' + usleep 100000 + '[' -e /home/backup/trigger ']' + TRIGGERED=1 + '[' '!' -f '' -a 1 -eq 0 ']' + copyfunc + '[' 1 -eq 0 ']' Praveen
kumar DBA -Delivery E-mail: praveen.k@xxxxxxxxxxxxxxxxxx | Extn: 1607 Sobha Renaissance Information Technology
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