生产实践：
用户终端操作历史记录文件格式转换
学习技巧：
if语句、for循环及sed、awk使用
脚本内容：
#/bin/bash
############################################################
# $Name: conv_hist
# $Version: v1.0
# $Function: convert history file
# $Author: Zhihe An
# $Copyright (c) https://chegva.com
# $Create Date: 2017-07-24
############################################################
RED='\e[1;31m'
redb='\e[5;41m' # 红底闪烁
NC='\e[0m' # 没有颜色
LOGNAME=$1
#BASEPATH=$(cd `dirname $0`; pwd)
BASEPATH=$(basename `pwd`)
if [ "$1" == "" -o "$#" -gt 1 ]
then
echo -e "${RED} :) ${NC} Usage: ./`basename $0` [HISTFILE name]";
exit;
elif [ ! -f "$LOGNAME" ];then
echo -e "${RED} :( ${NC} ${redb} ${LOGNAME} ${NC} does not exist,please check it!";
exit;
else
echo "================== chegva.com `date +%F\ %T` ====================";
fi
#elif [ ! -f "${LOGNAME}" ]
# echo "${LOGNAME} does not exist,please check it!";
# exit;
#LOGFILE=${LOGNAME}.his
#if [ ! -f "$LOGFILE" ]; then
# touch ${LOGFILE}
#else
# >${LOGFILE}
#fi
#
for line in $(<$LOGNAME)
do
if [[ `echo ${line:0:1}` == "#" ]]
then
#echo $line
LOGTIME=`echo ${line:1}`
#echo $LOGTIME
LOGLINE=`date -s @${LOGTIME} +'%F %T'`
#echo $LOGLINE
sed -i "s/$line/$LOGLINE/" ${LOGNAME}
fi
done
awk -v count=1 '{ if (NR%2==1) { print count" '"$BASEPATH"' "$0;count++;}
else {print "\033[1;31m" " " $0 "\033[0m"}}' ${LOGNAME}
echo "===================" "历史命令记录格式已转换:)" "========================="
exit 0◎查看效果
◎记录所有登录用户终端操作命令：https://chegva.com/2332.html
