How to escape single quotes from a string caused by single quotes

Suppose you have a Bash alias for example: alias rxvt='urxvt' Good results. However: alias rxvt='urxvt -fg '#111111' -bg '#111111'' It will not work, nor will it: alias rxvt='urxvt -fg \'#111111\' -bg \'#111111\'' So, once the quotes are escaped, how do you eventually match the start and end quotes in the string? alias rxvt ...

Posted by shlomikalfa on Sat, 14 Dec 2019 21:00:15 -0800

Upload and download alicloud OSS files in Linux Shell script

background In the work, because the log files generated by our project are very important, and the local disk space is limited for a long time, so considering the backup scheme, we originally intended to save them on nas, but due to various reasons, we communicated with the operation and maintenance department to suggest saving them on oss. Bec ...

Posted by jmrouleau on Thu, 12 Dec 2019 06:34:17 -0800

Time consuming of code point statistics application

In mobile application development, we sometimes need to monitor the time-consuming of some processes, such as application startup time, page Jump time, etc., which is not accurate only by naked eyes. We can realize it in several ways. One way is to obtain startup time by shell, one way is to output time by code point tapping, an ...

Posted by bdcode on Wed, 11 Dec 2019 08:46:10 -0800

4. Construction and test of Redis connection pool

First, we will create a RedisPool class in our project The code is as follows: package com.mmall.common; import com.mmall.util.PropertiesUtil; import redis.clients.jedis.Jedis; import redis.clients.jedis.JedisPool; import redis.clients.jedis.JedisPoolConfig; /** * @author Chakid * @since 2018-10-30 20:15 */ public class RedisP ...

Posted by Virii on Mon, 09 Dec 2019 11:21:05 -0800

How do I prompt for Yes / No / Cancel in a Linux Shell script?

I want to pause input in a shell script and prompt the user to choose. Standard "yes, no or cancel" type question. How to do this in a typical bash prompt? #1 building Use the read command: echo Would you like to install? "(Y or N)" read x # now check if $x is "y" if [ "$x" = "y" ]; then # do something here! fi Then ...

Posted by mofm on Mon, 09 Dec 2019 04:23:25 -0800

Summary of Chapter 3 of UNIX Linux programming practice course

Under Linux, everything is a file, so the directory is only a special file. It can be opened, read, and close just like the file, but the function is changed to opendir(),readdir(),closedir() Data structure used to read directory file -- struct directory #include <dirent.h> struct dirent { ino_t d_ino; /* Ino ...

Posted by akufen on Sat, 07 Dec 2019 17:00:31 -0800

Python exercise [7] [compare files and output html files with strong readability]

Title: Use python to write a command mydiff that can be executed in the shell, which is used to compare the differences between the two files, and output the html page source code with strong readability, which can be saved in the html file for viewing. Format: mydiff file1 File2 [> save file] Realization: 1. Use the sys.argv function ...

Posted by Swedie on Fri, 06 Dec 2019 06:58:15 -0800

Python development [notes]: obtain file names from directories of massive files -- method performance comparison

Performance comparison of Python methods for obtaining file names   Usually, the simple method of getting file names from folders in python is os.system('ll /data / '), but when there are a large number of files in a folder, this method is completely impractical;   Nearly 6 million files have been generated in the / dd directory. Let's see ...

Posted by pumaf1 on Wed, 04 Dec 2019 21:11:38 -0800

How to delay time in Python? [repetition]

The answer is already here: How can I sleep my Python program for 50 milliseconds? (4 answers) Closed 2 months ago. I want to know how to put time delays in Python scripts. #1 building Drowsy Alternator It's a little fun. The problem is time delay. It can be a fixed time, but in so ...

Posted by Sergey Popov on Wed, 04 Dec 2019 11:37:21 -0800

[Jmeter test] how to use bean shell assertion to judge the corresponding result of Json returned by the request

Script structure​In the above figure, queryMaterialApiDTOListByPkIds is the request that returns the response result in Json format, and then add the bean shell assertion to determine in detail whether the value in the Json result is correct. The corresponding results of Json scheme 1 { 2 "code": 0, 3 "msg": "success", 4 ...

Posted by deadimp on Mon, 02 Dec 2019 11:51:37 -0800