Shell Programming and Scripting

#!/bin/ksh
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# Set name of the listener, this need to be upper or lower case
#LSNR=$1

echo "`basename $0` Start `date`."
for LSNR in $*
do

RM="rm -f"

echo "Listener name: $LSNR"

export user_id=`whoami`
export ORACLE_HOME=`ps -ef|grep tnslsnr|grep -v grep|grep -v sed|grep $user_id|grep $LSNR|awk '{print $8}'|uniq|sed "s#/bin/tnslsnr##g"`
export PATH=$ORACLE_HOME/bin:$PATH;

#check who owns the listiner
lsnr_ownr=`ps -ef|grep tnslsnr|grep -v grep|grep $LSNR|awk '{print $1}'|uniq`

if test $lsnr_ownr = $user_id; then
echo "Listener $LSNR is being ran as $lsnr_ownr owner"
else
echo "Listener $LSNR is owned by a different user -- aborting script"
echo "Run script using $lsnr_ownr user"
exit
fi

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exit

 
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flag="N"
if test $lsnr_ownr = $user_id; then
echo "Listener $LSNR is being ran as $lsnr_ownr owner"
flag="Y"
else
echo "Listener $LSNR is owned by a different user -- aborting script"
echo "Run script using $lsnr_ownr user"
fi
 
if [ $flag="Y" ]; then
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fi
exit

 
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if test $lsnr_ownr = $user_id; then
echo "Listener $LSNR is being ran as $lsnr_ownr owner"

more cmd
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else
echo "Listener $LSNR is owned by a different user -- aborting script"
echo "Run script using $lsnr_ownr user"
fi
exit

lsnr_ownr=$(ps -ef | nawk -v O="$ORACLE_SID" '($0~O)&&/[t]nsl/{print$1}')

ORACLE_HOME=$(ps -eaf | sed -n '/'"$ORACLE_SID"'.*[t]nsl/{s:/bin/tns.*::;s:[^/]*::;p;}')