雲端計算教程學習路線影片原始碼課件：shell指令碼實現獲取圖片

在雲端計算蓬勃發展的今天，與其在家閒著，不如立即開始學習，現在開始，千鋒HTML5、UI互動設計、PHP、Java+雲資料、大資料開發、VR/AR/Unity遊戲開發、Python人工智慧、Linux雲端計算、全棧軟體測試影片教程免費送！領取方式在下方留言即可，希望可以幫助你在“逆境”中成長，從容開啟新的一年。下面千鋒給大家講解一下：shell指令碼實現獲取圖片。

#!/usr/bin/bash

. /etc/init.d/functions

function check(){

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

echo "當前時間：$time"

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

ping -w1 -c1 &>/dev/null

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

echo_failure || echo "網路異常，請檢查"

else

echo_success && echo "網路正常 當前IP:$ip"

fi

yum repolist &>/dev/null

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

echo_failure || echo "yum異常，請檢查"

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 "*?.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 "下載完成 $line"

else

echo "無效資源 $line"

fi

let a++

done <$2/url2.txt

echo "全部下載完成，下載資源$a個"

return 200

}

function clea(){

echo "正在打包，請稍後"

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 "下載異常，正在清理環境"

rm -rf $2

return 101

fi

}

clear

echo -e "本程式功能為獲取圖片: 圖片\n禮貌爬取，快樂你我他\n程式設計目的：shel指令碼#!/usr/bin/bash

. /etc/init.d/functions

function check(){

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

echo "當前時間：$time"

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

ping -w1 -c1 &>/dev/null

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

echo_failure || echo "網路異常，請檢查"

else

echo_success && echo "網路正常 當前IP:$ip"

fi

yum repolist &>/dev/null

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

echo_failure || echo "yum異常，請檢查"

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 "*?.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 "下載完成 $line"

else

echo "無效資源 $line"

fi

let a++

done <$2/url2.txt

echo "全部下載完成，下載資源$a個"

return 200

}

function clea(){

echo "正在打包，請稍後"

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 "下載異常，正在清理環境"

rm -rf $2

return 101

fi

}

clear

echo -e "本程式功能為獲取圖片: 快樂你我他\n程式設計指令碼測

sleep 1

read -p "請輸入要爬取的圖片關鍵字，預設為中國): " words

read -p "請輸入資源存放路徑，預設為 /tmp/image : " path

if [ -z $words ];then

words="中國"

fi

if [ -z $path ];then

path='/tmp/image'

mkdir /tmp/image

fi

main $words $path

if [ $? -eq 100 ];then

echo "程式退出"

else

echo "程式異常退出"

fi