之前张耀老师的网页脚本由于51cto升级,课程列表页面改用javascript失效了
笔者发现视频课程页面右边的列表都为静态化后的视频课程地址,遂将老师初始版本的脚本进行了修改,在对视频课程页面使用时结果正常,遂将及修改后的脚本和部分注释发上来供大家研究
[root@m01 scripts]# cat html_to_table.sh #!/bin/bash# oldboy linux training# 2016-11-13# 基于老男孩linux21期学员张耀开发脚本# EduFile=/tmp/edu.html #process temp file1EduFile2=/tmp/edu2.html #process 2Url="$*" # Check for given parameters [ $# -eq 0 ] && { echo "USAGE: /bin/sh $0 http://...." exit 1} # Judge url is ok?curl -I $Url &>/dev/null [ $? -ne 0 ] &&{ echo "Bad url,Please check it" exit 1} # Defined get pagenum and CourseId Functions# Defined get pagenum and CourseId Functions#function getnum(){# curl -s $Url>$EduFile# grep '"pagesGoEnd"' $EduFile &>/dev/null# if [ $? -eq 0 ]# then# num=`sed -rn 's#.*page=([0-9].*)" class="pagesGoEnd".*$#\1#gp' $EduFile`# else# num=`sed -rn 's|.*page=([0-9].*)#" class="pagesNum".*$|\1|gp' $EduFile`# fi# pagenum=${num:-1}# CourseId=`echo $Url|awk -F "[-.]" '{print $4}'`#}# Defined curl html Functions#function Curl(){# getnum# for i in `seq $pagenum`# do # curl "http://edu.51cto.com/index.php?do=course&m=lessions&course_id=$CourseId&page=$i" 1>>$EduFile 2>/dev/null# done#}#分段没了,原函数保留,视频页抓一遍就好function Curl(){ curl "$*" 1>>$EduFile 2>/dev/null} # Defined Create table Functionsfunction table(){ sum="" index=1 sed -rn '/lesson/ s#<.*( $EduFile2 while read line do sum=$sum"$index $line" ((index++)) done <$EduFile2} # Defined Create html Functionsfunction html(){ cat >/tmp/oldboy.html<<-END test $sum END} function main(){ Curl table html} main
效果是相似的但是像换页之类的功能都没用到,还是有很多值得向前辈学习的地方
tips:cat语句特别是最后end不能有空格,前端缩进最好用tab键完成
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