简单shell执行脚本

#!/bin/bash

source /etc/profile
APPLICATIONS_HOME="/opt/cpic_analy"
APPLICATION_NAME="MerchantClient.jar"
SNAME=`basename $APPLICATION_NAME .jar`
LOG_DIR="$APPLICATIONS_HOME/logs/$SNAME/"

STR_LOG=$(date +'%Y-%m-%d_%H-%M')
STR_DAY=$(date +'%Y-%m-%d')
STR_BEGIN=$(date +'%Y-%m-%d %H:%M:%S')

PID=$$
NAME=`basename $0`

if [ ! -d ${LOG_DIR} ]; then
    mkdir -p ${LOG_DIR}
fi

if [ $(ps -ef|awk -v p=$PID -v n=${NAME} '$2!=p && $NF~n'|wc -c) -gt 200 ]; then
    echo ${STR_BEGIN}" ${SNAME} is already running,exit!" >> $LOG_DIR/run_${STR_DAY}_sys.log 2>&1
    break
else 
    echo ${STR_BEGIN}" ${SNAME} begin runing" >> $LOG_DIR/run_${STR_DAY}_sys.log  2>&1
    cd ${APPLICATIONS_HOME} 
    $JAVA_HOME/bin/java -jar ${APPLICATIONS_HOME}/${APPLICATION_NAME} >> "${LOG_DIR}/run_${SNAME}_${STR_LOG}.log" 2>&1
    STR_END=$(date +'%Y-%m-%d %H:%M:%S')
    echo ${STR_END}" ${SNAME} end runing" >> $LOG_DIR/run_${STR_DAY}_sys.log 2>&1
fi
exit