全局替換由crontab起的shell腳本中的某些字符串
遇到這樣一個需求：
www.2cto.com
需要替換crontab起的shell腳本中的某個域名，但是不知道crontab中
到底有多少的shell腳本包含被替換的域名，難道要手工去查找麼？
於是寫了個腳本，並通用之.
功能：替換crontab中的shell腳本的某個字符串為另外一個，用法：
Usage : sh replaceCronScript.sh src="string1" dst="string2"
Example: sh replaceCronScript.sh src=clicklog.dtc.log.sz.com dst=soso1_0.dtc.log.sz.com
www.2cto.com
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#! /bin/bash
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#####################################################
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#name : replaceCronScript.sh
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#note : replace some crontab shell scripts's
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# : string with new string
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#date : 2012.12.27
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#author : <
[email protected]>
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####################################################
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if [ $# -eq 0 ];
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then
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echo "Usage : sh $(basename $0) src=\"string1\" dst=\"string2\""
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echo "Example: sh $(basename $0) src=clicklog.dtc.log.sz.com dst=soso1_0.dtc.log.sz.com"
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exit 1
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fi
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InnerIP=$(/sbin/ifconfig eth1 | grep "inet addr" | grep -v "127.0.0.1" | awk '{print $2}' | cut -c 6-)
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CurFullScript=$(readlink /proc/$$/fd/255)
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CurScriptPath=$(dirname $CurFullScript)
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CurScriptName=$(basename $CurFullScript)
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FullParam=$*
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CurPid=$$
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#Reslove the param, format name=value -> $name
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eval $*
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function colorEcho(){
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[ $# -eq 0 ] && echo "colorEcho Usage: colorEcho [red|green|yellow|blue|pink|dark|bright|cyan] sentence"
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[ $# -eq 0 ] && return 1
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colorFmtTail='\033[m'
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brightFmtHead='\033[1;29m'
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darkFmtHead='\033[1;30m'
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redFmtHead='\033[1;31m'
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greenFmtHead='\033[1;32m'
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yellowFmtHead='\033[1;33m'
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blueFmtHead='\033[1;34m'
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pinkFmtHead='\033[1;35m'
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cyanFmtHead='\033[1;36m'
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case $1 in
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"red")
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echo -e ${redFmtHead}${2}${colorFmtTail}
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;;
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"green")
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echo -e ${greenFmtHead}${2}${colorFmtTail}
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;;
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"yellow")
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echo -e ${yellowFmtHead}${2}${colorFmtTail}
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;;
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"blue")
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echo -e ${blueFmtHead}${2}${colorFmtTail}
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;;
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"pink")
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echo -e ${pinkFmtHead}${2}${colorFmtTail}
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;;
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"dark")
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echo -e ${darkFmtHead}${2}${colorFmtTail}
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;;
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"bright")
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echo -e ${brightFmtHead}${2}${colorFmtTail}
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;;
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"cyan")
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echo -e ${cyanFmtHead}${2}${colorFmtTail}
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;;
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*)
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echo ${2}
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esac
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}
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#Display the Current Environment Values
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echo "[$CurPid][$CurScriptPath][$CurScriptName][$FullParam]"
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#************************* main ****************************#
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total=0
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for file in $(crontab -l | grep "sh " | awk '{for(i=1;i<=NF;i++) print $i}' | grep ".sh$" | sed "s/;.//g")
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do
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GrepRst=$(grep \"$src\" $file 2>/dev/null)
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[[ $? -eq 0 ]] && {
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echo $file
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total=$((total + 1))
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}
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done
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colorEcho yellow ">>>>>>>>>>>>>> Start to Confirm Total[$total]........\n"
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process_files=""
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for file in $(crontab -l | grep "sh " | awk '{for(i=1;i<=NF;i++) print $i}' | grep ".sh$" | sed "s/;.//g")
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do
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GrepRst=$(grep \"$src\" $file 2>/dev/null)
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if [ $? -eq 0 ];
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then
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echo -e "\n\n"
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echo Found in $file
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colorEcho bright "****************************************** begin ************************************************************"
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echo $GrepRst
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colorEcho bright "******************************************* end ************************************************************"
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colorEcho red "Replace[Enter] NoReplace[N|n]"
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read strConfirm
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if [ "${strConfirm}" == "N" ] || [ "${strConfirm}" == "n" ]
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then
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colorEcho green "Skipping file $file"
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else
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colorEcho green "sed -i \"s/$src/$dst/g\" $file"
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sed -i "s/$src/$dst/g" $file
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[[ $? -ne 0 ]] && {
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colorEcho red "Error with $file"
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exit 1
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}
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process_files="$process_files \n$file"
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fi
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fi
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done
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colorEcho green "\nProcessed files as following ......."
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echo -e $process_files
