shell脚本如何实现获取图片

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shell脚本实现获取图片。

#!/usr/bin/bash

. /etc/init.d/functions

function check(){

time=`date "+%F %X"`

echo "当前时间：$time"

ip=$(ip a |grep inet |grep "scope global dynamic"|awk -F"/" '{print $1}' |awk '{print $2}')

ping -w1 -c1 www.baidu.com &>/dev/null

if [[ $? -ne 0 ]];then

echo_failure || echo "网络异常，请检查"

else

echo_success && echo "网络正常 当前IP:$ip"

fi

yum repolist &>/dev/null

if [[ $? -ne 0 ]];then

echo_failure || echo "yum异常，请检查"

fi

}

function down(){

yum install -y wget &>/dev/null

w=`echo "$1" |tr -d '\n' |od -An -tx1|tr ' ' %`

data=$(curl -s "https://image.baidu.com/search/index?tn=baiduimage&Word=$w")

echo $data | grep -P -o "Https://ss.*?.jpg" | sort -n -r |uniq >> $2/url2.txt

a=0

while read line

do

sleep 1

code=$(curl -I "$line" 2>/dev/null)

if [ ${code:9:3} -eq 200 ];then

wget -O $2/$1${a}.jpg $line &>/dev/null

echo "下载完成 $line"

else

echo "无效资源 $line"

fi

let a++

done <$2/url2.txt

echo "全部下载完成，下载资源$a个"

return 200

}

function clea(){

echo "正在打包，请稍后"

sleep 2

tar cvzf image.tar.gz $1

rm -rf $1/url2.txt

}

function main(){

check

down $1 $2

if [[ $? -eq 200 ]];then

clea $2

return 100

else

echo "下载异常，正在清理环境"

rm -rf $2

return 101

fi

}

clear

echo -e "本程序功能为获取图片: 图片\n礼貌爬取，快乐你我他\n程序设计目的：shel脚本#!/usr/bin/bash

. /etc/init.d/functions

function check(){

time=`date "+%F %X"`

echo "当前时间：$time"

ip=$(ip a |grep inet |grep "scope global dynamic"|awk -F"/" '{print $1}' |awk '{print $2}')

ping -w1 -c1 www.baidu.com &>/dev/null

if [[ $? -ne 0 ]];then

echo_failure || echo "网络异常，请检查"

else

echo_success && echo "网络正常 当前IP:$ip"

fi

yum repolist &>/dev/null

if [[ $? -ne 0 ]];then

echo_failure || echo "yum异常，请检查"

fi

}

function down(){

yum install -y wget &>/dev/null

w=`echo "$1" |tr -d '\n' |od -An -tx1|tr ' ' %`

data=$(curl -s "https://image.baidu.com/search/index?tn=baiduimage&word=$w")

echo $data | grep -P -o "https://ss.*?.jpg" | sort -n -r |uniq >> $2/url2.txt

a=0

while read line

do

sleep 1

code=$(curl -I "$line" 2>/dev/null)

if [ ${code:9:3} -eq 200 ];then

wget -O $2/$1${a}.jpg $line &>/dev/null

echo "下载完成 $line"

else

echo "无效资源 $line"

fi

let a++

done <$2/url2.txt

echo "全部下载完成，下载资源$a个"

return 200

}

function clea(){

echo "正在打包，请稍后"

sleep 2

tar cvzf image.tar.gz $1

rm -rf $1/url2.txt

}

function main(){

check

down $1 $2

if [[ $? -eq 200 ]];then

clea $2

return 100

else

echo "下载异常，正在清理环境"

rm -rf $2

return 101

fi

}

clear

echo -e "本程序功能为获取图片: 快乐你我他\n程序设计脚本测

sleep 1

read -p "请输入要爬取的图片关键字，默认为中国): " words

read -p "请输入资源存放路径，默认为 /tmp/image : " path

if [ -z $words ];then

words="中国"

fi

if [ -z $path ];then

path='/tmp/image'

mkdir /tmp/image

fi

main $words $path

if [ $? -eq 100 ];then

echo "程序退出"

else

echo "程序异常退出"

fi

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