GitHub README文件生成目录导航
效果
环境说明
[root@C61 ~]# cat /etc/redhat-release
CentOS release 6.10 (Final)
[root@C61 ~]# uname -a
Linux C61.wcy 2.6.32-754.17.1.el6.x86_64 #1 SMP Tue Jul 2 12:42:48 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
[root@C61 ~]# rpm -qa | grep -E '^git'
git-1.7.1-9.el6_9.x86_64
[root@C61 ~]# ssh -T git@github.com
Hi Chuyio! You've successfully authenticated, but GitHub does not provide shell access.使用说明
gh-md-toc 可执行程序后跟已经写好的 makedown 文件 README.md
[root@C61 ~]# ./gh-md-toc README.md
Table of Contents
=================
* [makedown语法](#makedown语法)
* [表格](#表格)
* [单行代码或显示特殊名词](#单行代码或显示特殊名词)
* [多行代码块](#多行代码块)
* [引用语法](#引用语法)
* [嵌套：](#嵌套)
* [使用列表：](#使用列表)
* [列表中引用](#列表中引用)
* [超链接语法](#超链接语法)
* [引用图片](#引用图片)
* [无序列表](#无序列表)
* [有序列表](#有序列表)
* [列表嵌套](#列表嵌套)
* [文字样式](#文字样式)
* [分割线](#分割线)
* [添加文字删除线](#添加文字删除线)
* [下划线](#下划线)
* [添加脚注](#添加脚注)
Created by [gh-md-toc](https://github.com/ekalinin/github-markdown-toc)将生成好的目录导航复制追加到 README.md 文件开头即可
gh-md-toc程序
将下面代码复制至新文本中 chmod +x filename 添加执行权限
也可 ln -s filename /usr/bin 添加至系统命令以方便在任何位置执行
#!/usr/bin/env bash
#
# Steps:
#
# 1. Download corresponding html file for some README.md:
# curl -s $1
#
# 2. Discard rows where no substring 'user-content-' (github's markup):
# awk '/user-content-/ { ...
#
# 3.1 Get last number in each row like ' ... </span></a>sitemap.js</h1'.
# It's a level of the current header:
# substr($0, length($0), 1)
#
# 3.2 Get level from 3.1 and insert corresponding number of spaces before '*':
# sprintf("%*s", substr($0, length($0), 1)*3, " ")
#
# 4. Find head's text and insert it inside "* [ ... ]":
# substr($0, match($0, /a>.*<\/h/)+2, RLENGTH-5)
#
# 5. Find anchor and insert it inside "(...)":
# substr($0, match($0, "href=\"[^\"]+?\" ")+6, RLENGTH-8)
#
gh_toc_version="0.6.1"
gh_user_agent="gh-md-toc v$gh_toc_version"
#
# Download rendered into html README.md by its url.
#
#
gh_toc_load() {
local gh_url=$1
if type curl &>/dev/null; then
curl --user-agent "$gh_user_agent" -s "$gh_url"
elif type wget &>/dev/null; then
wget --user-agent="$gh_user_agent" -qO- "$gh_url"
else
echo "Please, install 'curl' or 'wget' and try again."
exit 1
fi
}
#
# Converts local md file into html by GitHub
#
# ➥ curl -X POST --data '{"text": "Hello world github/linguist#1 **cool**, and #1!"}' https://api.github.com/markdown
# <p>Hello world github/linguist#1 <strong>cool</strong>, and #1!</p>'"
gh_toc_md2html() {
local gh_file_md=$1
URL=https://api.github.com/markdown/raw
if [ ! -z "$GH_TOC_TOKEN" ]; then
TOKEN=$GH_TOC_TOKEN
else
TOKEN="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/token.txt"
fi
if [ -f "$TOKEN" ]; then
URL="$URL?access_token=$(cat $TOKEN)"
fi
# echo $URL 1>&2
OUTPUT="$(curl -s --user-agent "$gh_user_agent" \
--data-binary @"$gh_file_md" -H "Content-Type:text/plain" \
$URL)"
if [ "$?" != "0" ]; then
echo "XXNetworkErrorXX"
fi
if [ "$(echo "${OUTPUT}" | awk '/API rate limit exceeded/')" != "" ]; then
echo "XXRateLimitXX"
else
echo "${OUTPUT}"
fi
}
#
# Is passed string url
#
gh_is_url() {
case $1 in
https* | http*)
echo "yes";;
*)
echo "no";;
esac
}
#
# TOC generator
#
gh_toc(){
local gh_src=$1
local gh_src_copy=$1
local gh_ttl_docs=$2
local need_replace=$3
if [ "$gh_src" = "" ]; then
echo "Please, enter URL or local path for a README.md"
exit 1
fi
# Show "TOC" string only if working with one document
if [ "$gh_ttl_docs" = "1" ]; then
echo "Table of Contents"
echo "================="
echo ""
gh_src_copy=""
fi
if [ "$(gh_is_url "$gh_src")" == "yes" ]; then
gh_toc_load "$gh_src" | gh_toc_grab "$gh_src_copy"
if [ "${PIPESTATUS[0]}" != "0" ]; then
echo "Could not load remote document."
echo "Please check your url or network connectivity"
exit 1
fi
if [ "$need_replace" = "yes" ]; then
echo
echo "!! '$gh_src' is not a local file"
echo "!! Can't insert the TOC into it."
echo
fi
else
local rawhtml=$(gh_toc_md2html "$gh_src")
if [ "$rawhtml" == "XXNetworkErrorXX" ]; then
echo "Parsing local markdown file requires access to github API"
echo "Please make sure curl is installed and check your network connectivity"
exit 1
fi
if [ "$rawhtml" == "XXRateLimitXX" ]; then
echo "Parsing local markdown file requires access to github API"
echo "Error: You exceeded the hourly limit. See: https://developer.github.com/v3/#rate-limiting"
TOKEN="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/token.txt"
echo "or place github auth token here: $TOKEN"
exit 1
fi
local toc=`echo "$rawhtml" | gh_toc_grab "$gh_src_copy"`
echo "$toc"
if [ "$need_replace" = "yes" ]; then
if grep -Fxq "<!--ts-->" $gh_src && grep -Fxq "<!--te-->" $gh_src; then
echo "Found markers"
else
echo "You don't have <!--ts--> or <!--te--> in your file...exiting"
exit 1
fi
local ts="<\!--ts-->"
local te="<\!--te-->"
local dt=`date +'%F_%H%M%S'`
local ext=".orig.${dt}"
local toc_path="${gh_src}.toc.${dt}"
local toc_footer="<!-- Added by: `whoami`, at: `date` -->"
# http://fahdshariff.blogspot.ru/2012/12/sed-mutli-line-replacement-between-two.html
# clear old TOC
sed -i${ext} "/${ts}/,/${te}/{//!d;}" "$gh_src"
# create toc file
echo "${toc}" > "${toc_path}"
echo -e "\n${toc_footer}\n" >> "$toc_path"
# insert toc file
if [[ "`uname`" == "Darwin" ]]; then
sed -i "" "/${ts}/r ${toc_path}" "$gh_src"
else
sed -i "/${ts}/r ${toc_path}" "$gh_src"
fi
echo
echo "!! TOC was added into: '$gh_src'"
echo "!! Origin version of the file: '${gh_src}${ext}'"
echo "!! TOC added into a separate file: '${toc_path}'"
echo
fi
fi
}
#
# Grabber of the TOC from rendered html
#
# $1 — a source url of document.
# It's need if TOC is generated for multiple documents.
#
gh_toc_grab() {
# if closed <h[1-6]> is on the new line, then move it on the prev line
# for example:
# was: The command foo1
# </h1>
# became: The command foo1</h1>
sed -e ':a' -e 'N' -e '$!ba' -e 's/\n<\/h/<\/h/g' |
# find strings that corresponds to template
grep -E -o '<a.*id="user-content-[^"]*".*</h[1-6]' |
# remove code tags
sed 's/<code>//g' | sed 's/<\/code>//g' |
# now all rows are like:
# <a id="user-content-..." href="..."><span ...></span></a> ... </h1
# format result line
# * $0 — whole string
# * last element of each row: "</hN" where N in (1,2,3,...)
echo -e "$(awk -v "gh_url=$1" '{
level = substr($0, length($0), 1)
text = substr($0, match($0, /a>.*<\/h/)+2, RLENGTH-5)
href = substr($0, match($0, "href=\"[^\"]+?\"")+6, RLENGTH-7)
print sprintf("%*s", level*3, " ") "* [" text "](" gh_url href ")" }' |
sed 'y/+/ /; s/%/\\x/g')"
}
#
# Returns filename only from full path or url
#
gh_toc_get_filename() {
echo "${1##*/}"
}
#
# Options hendlers
#
gh_toc_app() {
local need_replace="no"
if [ "$1" = '--help' ] || [ $# -eq 0 ] ; then
local app_name=$(basename "$0")
echo "GitHub TOC generator ($app_name): $gh_toc_version"
echo ""
echo "Usage:"
echo " $app_name [--insert] src [src] Create TOC for a README file (url or local path)"
echo " $app_name - Create TOC for markdown from STDIN"
echo " $app_name --help Show help"
echo " $app_name --version Show version"
return
fi
if [ "$1" = '--version' ]; then
echo "$gh_toc_version"
echo
echo "os: `lsb_release -d | cut -f 2`"
echo "kernel: `cat /proc/version`"
echo "shell: `$SHELL --version`"
echo
for tool in curl wget grep awk sed; do
printf "%-5s: " $tool
echo `$tool --version | head -n 1`
done
return
fi
if [ "$1" = "-" ]; then
if [ -z "$TMPDIR" ]; then
TMPDIR="/tmp"
elif [ -n "$TMPDIR" -a ! -d "$TMPDIR" ]; then
mkdir -p "$TMPDIR"
fi
local gh_tmp_md
gh_tmp_md=$(mktemp $TMPDIR/tmp.XXXXXX)
while read input; do
echo "$input" >> "$gh_tmp_md"
done
gh_toc_md2html "$gh_tmp_md" | gh_toc_grab ""
return
fi
if [ "$1" = '--insert' ]; then
need_replace="yes"
shift
fi
for md in "$@"
do
echo ""
gh_toc "$md" "$#" "$need_replace"
done
echo ""
echo "Created by [gh-md-toc](https://github.com/ekalinin/github-markdown-toc)"
}
#
# Entry point
#
gh_toc_app "$@"手机扫一扫
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