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haoelhaoel
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add readme.sh script to help to generate the content in README.md for each problem
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‎scripts/README.md‎

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@@ -44,3 +44,16 @@ The comments would be generated by above examples as below:
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```
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### readme.sh
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`readme.sh` - it's used to generate the table item in README.md
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For example:
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```
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$ ./readme.sh ../algorithms/cpp/nextPermutation/nextPermutation.cpp
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|31|[Next Permutation](https://oj.leetcode.com/problems/next-permutation/) | [C++](./algorithms/cpp/nextPermutation/nextPermutation.cpp)|Medium|
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```
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‎scripts/readme.sh‎

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#!/bin/bash
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function usage()
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{
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echo -e "Usage: ${0} [file]"
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echo -e ""
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echo -e "Example:"
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echo -e ""
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echo -e " ${0} ./LargestNumber.cpp"
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echo -e ""
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}
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if [ $# -lt 1 ] || [[ ! -f ${1} ]]; then
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usage
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exit 255
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fi
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DIR=`cd $(dirname ${1}) && pwd -P`
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FILE=${DIR}/$(basename ${1})
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URL=`grep Source ${FILE} | awk '{print $4}'`
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title_str=`xidel ${URL} -q -e "css('div.question-title h3')"`
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NUM=`echo ${title_str} | awk -F '.' '{print $1}'`
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TITLE=`echo ${title_str} | awk -F '.' '{print $2}' | sed -e 's/^[[:space:]]*//'`
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DIFFCULT=`xidel ${URL} -q -e "css('.question-info')" | grep Difficulty | awk '{print $2}'`
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FILE=`echo ${FILE} | sed "s/.*\/algorithms/\.\/algorithms/"`
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echo "|${NUM}|[${TITLE}](${URL}) | [C++](${FILE})|${DIFFCULT}|"

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