bash-template.sh

#!/bin/bash -e

cd `dirname $0`

DEBUG={$DEBUG:-0}

SCRIPT_HOME=`pwd`
LOG_DIR=$SCRIPT_HOME/log
LOG_FILE_NAME=`basename $0 .sh`-`date +"%Y%m%d"`.log
LOG_FILE=$LOG_DIR/$LOG_FILE_NAME

#PATH=$PATH

log() {
    local level=$1
    local msg=$2
    local date=`date +"%Y-%m-%d %H:%M:%S"`

    echo "$level - $date $msg"
}

log_d() {
    if [[ $DEBUG == 1 ]]; then
        log DEBUG "$1"
    fi
}

log_i() {
    log INFO "$1"
}

init() {
    mkdir -p $LOG_DIR
}

main() {
    log_i 'begin'
    log_i 'end'
}

init
main | tee -a $LOG_FILE