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#!/bin/bashfunction example {echo "Hello world!"}example

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#!/bin/sh`v1="Hello"v2="world"v3=${v1}${v2}echo $v3pidlist=`ps -ef|grep apache-tomcat-7.0.75|grep -v "grep"|awk '{print $2}'`echo $pidlistecho "tomcat Id list :$pidlist"  //ÏÔʾpid

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#!/bin/bashfor i in `seq 9`do  for j in `seq $i` do  echo -n "$j*$i=$[i*j] " done    echodone

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#!/bin/bash -xvif [ $1 -eq 2 ] ;then echo "wo ai wenmin"elif [ $1 -eq 3 ] ;then  echo "wo ai wenxing "elif [ $1 -eq 4 ] ;then  echo "wo de xin "elif [ $1 -eq 5 ] ;then echo "wo de ai "fi

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#!/bin/bash#kill tomcat pidpidlist=`ps -ef|grep apache-tomcat-7.0.75|grep -v "grep"|awk '{print $2}'`  #ÕÒµ½tomcatµÄPIDºÅecho "tomcat Id list :$pidlist"  //ÏÔʾpidkill -9 $pidlist  #ɱµôˢгÌecho "KILL $pidlist:" //ÌáÐÑÀú³ÌÒÔ¼°±»É±µôecho "service stop success"echo "start tomcat"cd /opt/apache-tomcat-7.0.75pwd rm -rf work/*cd bin./startup.sh #;tail -f ../logs/catalina.out

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#!/bin/bash# ͳ¼ÆÄ¿½ñ Linux ϵͳÖпÉÒԵǼÅÌËã»úµÄÕË»§Óм¸¶à¸ö#ÒªÁì 1:grep "bash$" /etc/passwd | wc -l#ÒªÁì 2£ºawk -f : '/bash$/{x++}end{print x}' /etc/passwd

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#!/bin/shsource /etc/profiledbName=mysqltableName=dbecho [`date +'%Y-%m-%d %H:%M:%S'`]' start loading data...'mysql -uroot -proot -P3306 ${dbName} -e "LOAD DATA LOCAL INFILE '# /home/wenmin/wenxing.txt' INTO TABLE ${tableName} FIELDS TERMINATED BY ';'"echo [`date +'%Y-%m-%d %H:%M:%S'`]' end loading data...'exitEOF

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#!/bin/bash# ʹÓÃËÀÑ­»·ÊµÊ±ÏÔʾ eth0 Íø¿¨·¢Ë͵ÄÊý¾Ý°üÁ÷Á¿ while :do  echo 'ÍâµØÍø¿¨ ens33 Á÷Á¿ÐÅÏ¢ÈçÏ£º' ifconfig ens33 | grep "RX pack" | awk '{print $5}'     ifconfig ens33 | grep "TX pack" | awk '{print $5}' sleep 1done

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£¨15£©±àд¾ç±¾²âÊÔ 192.168.4.0/24 Õû¸öÍø¶ÎÖÐÄÄЩÖ÷»ú´¦ÓÚ¿ª»ú״̬£¬ÄÄЩÖ÷»ú´¦Óڹػú

#!/bin/bash# ±àд¾ç±¾²âÊÔ 192.168.4.0/24 Õû¸öÍø¶ÎÖÐÄÄЩÖ÷»ú´¦ÓÚ¿ª»ú״̬,ÄÄЩÖ÷»ú´¦Óڹػú# ״̬(for °æ±¾)for i in {1..254}do  # ÿ¸ô0.3ÃëpingÒ»´Î£¬Ò»¹²ping2´Î£¬²¢ÒÔ1ºÁÃëΪµ¥Î»ÉèÖÃpingµÄ³¬Ê±Ê±¼ä ping -c 2 -i 0.3 -W 1 192.168.1.$i &>/dev/null     if [ $? -eq 0 ];then echo "192.168.1.$i is up" else  echo "192.168.1.$i is down" fidone

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#!/bin/bash# ÒÀ´ÎÌáÐÑÓû§ÊäÈë 3 ¸öÕûÊý,¾ç±¾Æ¾Ö¤Êý×Ö¾ÞϸÒÀ´ÎÅÅÐòÊä³ö 3 ¸öÊý×Öread -p " ÇëÊäÈëÒ»¸öÕûÊý£º" num1read -p " ÇëÊäÈëÒ»¸öÕûÊý£º" num2read -p " ÇëÊäÈëÒ»¸öÕûÊý:  " num3# ²»¹ÜË­´ó˭С,×îºó¶¼´òÓ¡ echo "$num1,$num2,$num3"# num1 ÖÐÓÀÔ¶´æ×îСµÄÖµ,num2 ÖÐÓÀÔ¶´æÖÐÑëÖµ,num3 ÓÀÔ¶´æ×î´óÖµ# ÈôÊÇÊäÈëµÄ²»ÊÇÕâÑùµÄ˳Ðò,Ôò¸Ä±äÊýµÄ´æ´¢Ë³Ðò,Èç:¿ÉÒÔ½« num1 ºÍ num2 µÄÖµ¶Ôµ÷tmp=0# ÈôÊÇ num1 ´óÓÚ num2,¾Í°Ñ num1 ºÍºÍ num2 µÄÖµ¶Ôµ÷,È·±£ num1 ±äÁ¿ÖдæµÄÊÇ×îСֵif [ $num1 -gt $num2 ];then tmp=$num1 num1=$num2 num2=tmpfi# ÈôÊÇ num1 ´óÓÚ num3,¾Í°Ñ num1 ºÍ num3 ¶Ôµ÷,È·±£ num1 ±äÁ¿ÖдæµÄÊÇ×îСֵif [ $num1 -gt $num3 ];then tmp=$num1 num1=$num3 num3=$tmpfi# ÈôÊÇ num2 ´óÓÚ num3,¾Í°Ñ num2 ºÍ num3 ¶Ôµ÷,È·±£ num2 ±äÁ¿ÖдæµÄÊÇ×îСֵif [ $num2 -gt $num3 ];then tmp=$num2 num2=$num3 num3=$tmpfiecho "ÅÅÐòºóÊý¾Ý£¨´ÓСµ½´ó£©Îª£º$num1,$num2,$num3"

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#!/bin/bash# ƾ֤ÅÌËã»úÄ¿½ñʱ¼ä,·µ»ØÎʺòÓï,¿ÉÒÔ½«¸Ã¾ç±¾ÉèÖÃΪ¿ª»úÆô¶¯ # 00©\12 µãΪÔ糿,12©\18 µãΪÏÂÕ½Êé,18©\24 µãΪÍíÉÏ# ʹÓà date ÏÂÁî»ñȡʱ¼äºó,if ÅжÏʱ¼äµÄÇø¼ä,È·¶¨ÎʺòÓïÄÚÈÝtm=$(date +%H)if [ $tm -le 12 ];then msg="Good Morning $USER"elif [ $tm -gt 12 -a $tm -le 18 ];then   msg="Good Afternoon $USER"else   msg="Good Night $USER"fiecho "Ä¿½ñʱ¼äÊÇ:$(date +"%Y©\%m©\%d %H:%M:%S")"echo -e "\033[34m$msg\033[0m"

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#!/bin/bashcd /home/wenmin/touch wenxing.txtecho "I lov cls" >>wenxing.txt

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#!/bin/bashs=0;for((i=1;i<100;i++))do  s=$[$s+$i]done echo $sr=0;a=0;b=0;for((x=1;x<9;x++))do  a=$[$a+$x] echo $xdonefor((y=1;y<9;y++))do  b=$[$b+$y]echo $ydoneecho $r=$[$a+$b]

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#!/bin/bashfor i in "$*"do  echo "wenmin xihuan $i"donefor j in "$@"do  echo "wenmin xihuan $j"done

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#!/bin/bash# ÿÖÜ 5 ʹÓà tar ÏÂÁ·Ý/var/log ϵÄËùÓÐÈÕÖ¾Îļþ# vim  /root/logbak.sh# ±àд±¸·Ý¾ç±¾,±¸·ÝºóµÄÎļþÃû°üÀ¨ÈÕÆÚ±êÇ©,±ÜÃâºóÃæµÄ±¸·Ý½«Ç°ÃæµÄ±¸·ÝÊý¾ÝÁýÕÖ# ×¢ÖØ date ÏÂÁîÐèҪʹÓ÷´ÒýºÅÀ¨ÆðÀ´,·´ÒýºÅÔÚ¼üÅÌ<tab>¼üÉÏÃætar -czf log-`date +%Y%m%d`.tar.gz /var/log # crontab -e #±àдÍýÏëʹÃü£¬Ö´Ðб¸·Ý¾ç±¾00 03 * * 5 /home/wenmin/datas/logbak.sh

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#!/bin/bash

function sum()
{
 s=0;
 s=$[$1+$2]
 echo $s
}
read -p "input your parameter " p1
read -p "input your parameter " p2

sum $p1 $p2

function multi()
{
 r=0;
 r=$[$1/$2]
 echo $r
}
read -p "input your parameter " x1
read -p "input your parameter " x2

multi $x1 $x2

v1=1
v2=2
let v3=$v1+$v2
echo $v3

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£¨24£©¾ç±¾±àд case ¡ª esac ·ÖÖ§½á¹¹±í´ïʽ

#!/bin/bash 

case $1 in 
1) 
 echo "wenmin "
;;
2)
 echo "wenxing "
;; 
3)  
 echo "wemchang "
;;
4) 
 echo "yijun"
;;
5)
 echo "sinian"
;;
6)  
 echo "sikeng"
;;
7) 
 echo "yanna"
;;
*)
 echo "danlian"
;; 
esac

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#!/bin/sh  
# function:×Ô¶¯¼à¿ØtomcatÀú³Ì£¬¹ÒÁ˾ÍÖ´ÐÐÖØÆô²Ù×÷  
# author:huanghong  
# DEFINE  

# »ñÈ¡tomcat PPID  
TomcatID=$(ps -ef |grep tomcat |grep -w 'apache-tomcat-7.0.75'|grep -v 'grep'|awk '{print $2}')  

# tomcat_startup  
StartTomcat=/opt/apache-tomcat-7.0.75/bin/startup.sh  


#TomcatCache=/usr/apache-tomcat-5.5.23/work  

# ½ç˵Ҫ¼à¿ØµÄÒ³ÃæµØµã  
WebUrl=http://192.168.254.118:8080/

# ÈÕÖ¾Êä³ö  
GetPageInfo=/dev/null  
TomcatMonitorLog=/tmp/TomcatMonitor.log  

Monitor()  
  {  
   echo "[info]×îÏȼà¿Øtomcat...[$(date +'%F %H:%M:%S')]"  
   if [ $TomcatID ]
 then  
      echo "[info]tomcatÀú³ÌIDΪ:$TomcatID."  
      # »ñÈ¡·µ»Ø״̬Âë  
      TomcatServiceCode=$(curl -s -o $GetPageInfo -m 10 --connect-timeout 10 $WebUrl -w %{http_code})  
      if [ $TomcatServiceCode -eq 200 ];then  
          echo "[info]·µ»ØÂëΪ$TomcatServiceCode,tomcatÆô¶¯ÀÖ³É,Ò³ÃæÕý³£."  
      else  
          echo "[error]»á¼ûÍÉ»¯£¬×´Ì¬ÂëΪ$TomcatServiceCode,¹ýʧÈÕÖ¾ÒÑÊä³öµ½$GetPageInfo"  
          echo "[error]×îÏÈÖØÆôtomcat"  
          kill -9 $TomcatID  # ɱµôÔ­tomcatÀú³Ì  
          sleep 3  
          #rm -rf $TomcatCache # ÕûÀítomcat»º´æ  
          $StartTomcat  
      fi  
      else  
      echo "[error]Àú³Ì²»±£´æ!tomcat×Ô¶¯ÖØÆô..."  
      echo "[info]$StartTomcat,ÇëÉÔºò......"  
      #rm -rf $TomcatCache  
      $StartTomcat  
    fi  
    echo "------------------------------"  
   }  
   Monitor>>$TomcatMonitorLog

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#!/bin/bash

# ͨ¹ýλÖñäÁ¿½¨ÉèLinux ϵͳÕË»§¼°ÃÜÂë

# $1 ÊÇÖ´Ðо籾µÄµÚÒ»¸ö²ÎÊý£¬$2  ÊÇÖ´Ðо籾µÄµÚ¶þ¸ö²ÎÊý

useradd "$1"
echo "$2" | passwd --stdin "$1"

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#!/bin/bash
echo "$0 $1 $2 $3"  // ´«ÈëÈý¸ö²ÎÊý
echo $#    //»ñÈ¡´«Èë²ÎÊýµÄÊýÄ¿
echo $@    //´òÓ¡»ñÈ¡´«Èë²ÎÊý
echo $*    //´òÓ¡»ñÈ¡´«Èë²ÎÊý

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#!/bin/bash

# ʵʱ¼à¿Ø±¾»úÄÚ´æºÍÓ²ÅÌÊ£Óà¿Õ¼ä,Ê£ÓàÄÚ´æСÓÚ500M¡¢¸ù·ÖÇøÊ£Óà¿Õ¼äСÓÚ1000Mʱ,·¢Ëͱ¨¾¯Óʼþ¸ørootÖÎÀíÔ±

# ÌáÈ¡¸ù·ÖÇøÊ£Óà¿Õ¼ä
disk_size=$(df / | awk '/\//{print $4}')

# ÌáÈ¡ÄÚ´æÊ£Óà¿Õ¿Õ¼ä
mem_size=$(free | awk '/Mem/{print $4}')
while :
do 
# ×¢ÖØÄÚ´æºÍ´ÅÅÌÌáÈ¡µÄ¿Õ¼ä¾Þϸ¶¼ÊÇÒÔ Kb Ϊµ¥Î»
if  [  $disk_size -le 512000 -a $mem_size -le 1024000  ]
then
    mail  ©\s  "Warning"  root  <<EOF
 Insufficient resources,×ÊԴȱ·¦
EOF
fi
done

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#!/bin/bash

if [ -f /home/wenmin/datas ]
then 
echo "File exists"
fi

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#!/bin/bash

if [ -f /home/wenmin/datas ]
then 
echo "File exists"
fi

[root@rich datas]# cat while.sh 
#!/bin/bash

s=0
i=1
while [ $i -le 100 ]
do
        s=$[$s + $i]
        i=$[$i + 1]
done

echo $s
echo $i

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#!/bin/bash 

# Ò»¼ü°²ÅÅ LNMP(RPM °ü°æ±¾)
# ʹÓà yum ×°Öð²ÅÅ LNMP,ÐèÒªÌáÇ°ÉèÖúà yum Ô´,²»È»¸Ã¾ç±¾»áʧ°Ü
# ±¾¾ç±¾Ê¹ÓÃÓÚ centos7.2 »ò RHEL7.2
yum -y install httpd
yum -y install mariadb mariadb-devel mariadb-server
yum -y install php php-mysql

systemctl start httpd mariadb
systemctl enable httpd mariadb

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#!/bin/bash
read -t 7 -p "input your name " NAME
echo $NAME

read -t 11 -p "input you age " AGE
echo $AGE

read -t 15 -p "input your friend " FRIEND
echo $FRIEND

read -t 16 -p "input your love " LOVE
echo $LOVE

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#!/bin/bash

cp $1 $2

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#!/bin/bash

if [ -f file.txt ];then
 echo "Îļþ±£´æ"
else 
 echo "Îļþ²»±£´æ"
fi

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