脚本范例
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0-9:[0-9]
10-99:[1-9][0-9]
100-199:1[0-9][0-9]
200-249:2[0-4][0-9]
250-255:25[0-5]
0-255.X.Y.Z.
(\b([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5]\.){3}[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5]\b)
ifconfig | grep -E "(\<([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\>.){3}\<([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\>"
#!/bin/bash
#计算UID之和
ID=`cat -n /etc/passwd|egrep "\b($1|$2)\b[^:]"|cut -d ":" -f 3`
echo $ID
sum=$((`echo ${ID}|tr -s " " "+"`))
echo "ID$1+ID$2 = ${sum}"
ifconfig | sed -n ‘/\<inet\>/p‘ | sed -r ‘s/.*((\<([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-1][0-9]|22[1-3])\>(\.\<[[:digit:]]{1,3}\>){3})).*/\1/‘
ls *.rpm | sed ‘s/..*\.\(..*\)\.rpm/\1/‘ |sort |uniq -c
张总
[[email protected] ~]# cat /script/dengbiansanjiao.sh
#!/bin/bash
read -p "please input linenumber:" linenumber
for lineid in `seq 1 $linenumber`
do
for a in `seq 1 $[$linenumber-$lineid]`
do
echo -n " "
done
for b in `seq 1 $[2*$lineid-1]`
do
echo -n "*"
done
echo
done
夏玉龙
[[email protected] 6_6]# cat print_asterisk_triangle
#!/bin/bash
read -p "the line of triangle " line
for i in `seq 1 $line`
do
character_count=$(($line-$i+2*$i-1))
space_count=$(($line-$i))
for j in `seq 1 $character_count`
do
if [ $j -le $space_count ];then
echo -n " "
else
echo -n "*"
fi
done
echo
done
王总
#!/bin/bash
#
read -p "input a number:" input
for var1 in $(seq "$input") ;do
for var2 in $(seq "$input" -1 1);do
if [ $var2 -gt $var1 ];then
echo -n " "
else
echo -n "*"
fi
if [ $var1 -gt $var2 ];then
echo -n "*"
fi
done
echo
done
echo
高手
[[email protected] python]# cat cfb.sh
#!/bin/bash
i=1
while [ $i -le 9 ]
do
j=1
while [ $j -le 9 ]
do
if [ $i -ge $j ]
then
echo -en "$i*$j=$(($i*$j))\t"
fi
j=$(($j+1))
done
i=$(($i+1))
printf "\n"
done
小王
[[email protected] ~]# cat bin/sum.sh
#!/bin/bash
sum=0
for id in `seq $1`
do
let sum+=id
done
echo sum=$sum
赵委员
#
CLASSTYPE=‘F‘
read -p "Please Input a NETWORK ADDRESS(such as 192.168.100.0): " NETADDR
if [ -z $NETADDR ] ; then
echo -e "\033[2;31mIt must be type network address.\033[0m"
exit 4
fi
#!/bin/bash
#
CLASSTYPE=‘F‘
read -p "Please Input a NETWORK ADDRESS(such as 192.168.100.0): " NETADDR
if [ -z $NETADDR ] ; then
echo -e "\033[2;31mIt must be type network address.\033[0m"
exit 4
fi
echo -e "\033[2;31mInvalid NETWORK ADDRESS.\033[0m"
exit 5
fi
FIRADD=`echo $NETADDR | cut -d"." -f1`
SECADD=`echo $NETADDR | cut -d"." -f2`
THIADD=`echo $NETADDR | cut -d"." -f3`
if [ $FIRADD -gt 0 -a $FIRADD -le 126 ] ; then
CLASSTYPE=‘A‘
elif [ $FIRADD -ge 128 -a $FIRADD -le 191 ] ; then
CLASSTYPE=‘B‘
elif [ $FIRADD -ge 192 -a $FIRADD -le 223 ] ; then
CLASSTYPE=‘C‘
else
echo -e "\033[2;31mInvalid NETWORK ADDRESS.\033[0m"
exit 10
fi
echo $CLASSTYPE
case $CLASSTYPE in
A)
for I in `seq 0 255` ; do
for J in `seq 0 255` ; do
for K in `seq 0 255` ; do
if [ $I -ne 0 -a $J -ne 0 -a $K -ne 0 ] || [ $I -ne 255 -a $J -ne 255 -a $K -ne 255 ] ; then
if ping -c1 -W1 ${FIRADD}.$I.$J.$K &> /dev/null ; then
echo -e "${FIRADD}.$I.$J.$K is \033[2;32mOnline\033[0m."
else
echo -e "${FIRADD}.$I.$J.$K is \033[2;31mOffline\033[0m."
fi
fi
done
done
done
;;
B)
for M in `seq 0 255` ; do
for N in `seq 0 255` ; do
if [ $M -ne 0 -a $N -ne 0 ] || [ $M -ne 255 -a $M -ne 255 ] ; then
if ping -c1 -W1 ${FIRADD}.${SECADD}.$M.$N &> /dev/null ; then
扫描网段
#!/bin/bash
read -p "please input the network(192.16.0.0):" NETWORK
network=`echo $NETWORK |cut -d. -f1-3`
for id in {1..10}
do
ping $network.$id -c1 -W1 &> /dev/null && echo $network.$id is up || echo $network.$id is down
done
张总
[[email protected] ~]# cat 9.sh
#!/bin/bash
for i in {1..9}
do
for j in `seq $i`
do
sum=$[$i*$j]
echo -n -e "$j*$i=$sum\t"
done
echo
done
[[email protected] bin]# cat sumwhile.sh
#!/bin/bash
sum=0
id=1
while [ $id -le 100 ]
do
let sum+=id
let id++
done
echo sum=$sum
[[email protected] bin]# vi maxmin.sh
#!/bin/bash
id=1
rand=$RANDOM
max=$rand
min=$rand
echo $rand
while [ $id -le 9 ]
do
rand=$RANDOM
echo $rand
if [ $rand -gt $max ];then
max=$rand
fi
if [ $rand -lt $min ];then
min=$rand
fi
let id++
done
echo max is $max
echo min is $min
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