iHTCboy iHTCboy

## Download-m3u8-File
import os
import requests

# 下载m3u8格式的视频
def download_m3u8(video_download_url, multimedia_path):
	print("start download video")
	all_content = requests.get(video_download_url).text  # 获取M3U8的文件内容
	file_line = all_content.split("\n")  # 读取文件里的每一行
	length = len(file_line)
	print('video length:', length)

## 使用shell脚本批量查询或替换文本内容
[使用脚本批量替换文本内容 - 技术小黑屋](https://droidyue.com/blog/2019/10/13/replace-text-in-multiple-files-using-shell-script/)

----

很多时候，我们需要进行多个文件的查找并替换，虽然IDE有这样的可视化功能，但是偏爱终端的人还是想要尝试用脚本实现一把。如下是一个简单的脚本来实现多文件的查找替换处理。

脚本内容


#!/bin/sh

## 一些 iOS 代码片段
################################################################

//获取当前屏幕显示的viewcontroller
- (UIViewController *)getCurrentVC
{
    UIViewController *result = nil;

    UIWindow * window = [[UIApplication sharedApplication] keyWindow];
    if (window.windowLevel != UIWindowLevelNormal)
    {

## macOS 常用的目录路径
### QuickLook
~/Library/QuickLook/

### macOS mobileprovision
~/Library/MobileDevice/Provisioning\ Profiles/

## svg转png
```
const svg=`<svg version="1.1" baseProfile="full" width="300" height="200"
xmlns="http://www.w3.org/2000/svg">
   <rect width="100%" height="100%" fill="red" />
   <circle cx="150" cy="100" r="80" fill="green" />
   <text x="150" y="125" font-size="60" text-anchor="middle" fill="white">SVG</text></svg>`
svgToPng(svg,(imgData)=>{
    const pngImage = document.createElement('img');
    document.body.appendChild(pngImage);
    pngImage.src=imgData;

## 查找域名对应的所有IP.txt
➜  ~ nslookup -q=TXT _netblocks.google.com 8.8.8.8
Server:		8.8.8.8
Address:	8.8.8.8#53

Non-authoritative answer:
_netblocks.google.com	text = "v=spf1 ip4:35.190.247.0/24 ip4:64.233.160.0/19 ip4:66.102.0.0/20 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:74.125.0.0/16 ip4:108.177.8.0/21 ip4:173.194.0.0/16 ip4:209.85.128.0/17 ip4:216.58.192.0/19 ip4:216.239.32.0/19 ~all"

Authoritative answers can be found from:


## 读取 iOS 应用中的证书信息
static NSString *bundleTeamIdentifier(void)
{
    NSString *mobileProvisionPath = [[[NSBundle mainBundle] bundlePath] stringByAppendingPathComponent:@"embedded.mobileprovision"];
    FILE *fp=fopen([mobileProvisionPath UTF8String],"r");
    char ch;
    if(fp==NULL) {
        printf("file cannot be opened/n");
        return NULL;
    }
    NSMutableString *str = [NSMutableString string];

## js代码语法高亮
<!-- js代码语法高亮
<link rel="stylesheet" href="//cdn.bootcss.com/highlight.js/9.15.8/styles/monokai-sublime.min.css">
<script src="//cdn.bootcss.com/highlight.js/9.15.8/highlight.min.js"></script>
<script>
    // hljs.initHighlightingOnLoad();
    $(document).ready(function () {
        $('pre code').each(function (i, block) {
            $(this).removeClass();
            hljs.highlightBlock(block);
        });

## Python download file
import requests

url='https://ihtcboy.com/htc.pdf'
r = requests.get(url, stream=True)

with open('C:/Users/HTC/myfile.pdf', 'wb') as f:
  f.write(r.content)

## Python读取文件和保存内容到文件
import re

dump_file_path = '/Users/iHTCboy/Downloads/file.txt'

# 读取 dump 文件内容
with open(dump_file_path, mode='r', encoding="utf8", errors="ignore" ) as flip:
	dump = flip.read()

# 正则匹配
pattern = r'@interface (.+) :'
	import os
	import requests

	# 下载m3u8格式的视频
	def download_m3u8(video_download_url, multimedia_path):
	print("start download video")
	all_content = requests.get(video_download_url).text # 获取M3U8的文件内容
	file_line = all_content.split("\n") # 读取文件里的每一行
	length = len(file_line)
	print('video length:', length)
	[使用脚本批量替换文本内容 - 技术小黑屋](https://droidyue.com/blog/2019/10/13/replace-text-in-multiple-files-using-shell-script/)

	----

	很多时候，我们需要进行多个文件的查找并替换，虽然IDE有这样的可视化功能，但是偏爱终端的人还是想要尝试用脚本实现一把。如下是一个简单的脚本来实现多文件的查找替换处理。

	脚本内容


	#!/bin/sh
	################################################################

	//获取当前屏幕显示的viewcontroller
	- (UIViewController *)getCurrentVC
	{
	UIViewController *result = nil;

	UIWindow * window = [[UIApplication sharedApplication] keyWindow];
	if (window.windowLevel != UIWindowLevelNormal)
	{
	### QuickLook
	~/Library/QuickLook/

	### macOS mobileprovision
	~/Library/MobileDevice/Provisioning\ Profiles/
	```
	const svg=`<svg version="1.1" baseProfile="full" width="300" height="200"
	xmlns="http://www.w3.org/2000/svg">
	<rect width="100%" height="100%" fill="red" />
	<circle cx="150" cy="100" r="80" fill="green" />
	<text x="150" y="125" font-size="60" text-anchor="middle" fill="white">SVG</text></svg>`
	svgToPng(svg,(imgData)=>{
	const pngImage = document.createElement('img');
	document.body.appendChild(pngImage);
	pngImage.src=imgData;
	➜ ~ nslookup -q=TXT _netblocks.google.com 8.8.8.8
	Server: 8.8.8.8
	Address: 8.8.8.8#53

	Non-authoritative answer:
	_netblocks.google.com text = "v=spf1 ip4:35.190.247.0/24 ip4:64.233.160.0/19 ip4:66.102.0.0/20 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:74.125.0.0/16 ip4:108.177.8.0/21 ip4:173.194.0.0/16 ip4:209.85.128.0/17 ip4:216.58.192.0/19 ip4:216.239.32.0/19 ~all"

	Authoritative answers can be found from:
	static NSString *bundleTeamIdentifier(void)
	{
	NSString *mobileProvisionPath = [[[NSBundle mainBundle] bundlePath] stringByAppendingPathComponent:@"embedded.mobileprovision"];
	FILE *fp=fopen([mobileProvisionPath UTF8String],"r");
	char ch;
	if(fp==NULL) {
	printf("file cannot be opened/n");
	return NULL;
	}
	NSMutableString *str = [NSMutableString string];
	<!-- js代码语法高亮
	<link rel="stylesheet" href="//cdn.bootcss.com/highlight.js/9.15.8/styles/monokai-sublime.min.css">
	<script src="//cdn.bootcss.com/highlight.js/9.15.8/highlight.min.js"></script>
	<script>
	// hljs.initHighlightingOnLoad();
	$(document).ready(function () {
	$('pre code').each(function (i, block) {
	$(this).removeClass();
	hljs.highlightBlock(block);
	});
	import requests

	url='https://ihtcboy.com/htc.pdf'
	r = requests.get(url, stream=True)

	with open('C:/Users/HTC/myfile.pdf', 'wb') as f:
	f.write(r.content)
	import re

	dump_file_path = '/Users/iHTCboy/Downloads/file.txt'

	# 读取 dump 文件内容
	with open(dump_file_path, mode='r', encoding="utf8", errors="ignore" ) as flip:
	dump = flip.read()

	# 正则匹配
	pattern = r'@interface (.+) :'