Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 4 months ago. The community reviewed whether to reopen this question 4 months ago and left it closed: Original close reason(s) were … Read more
I have a python script that’ll be checking a queue and performing an action on each item: # checkqueue.py while True: check_queue() do_something() How do I write a bash script that will check if it’s running, and if not, start it. Roughly the following pseudo code (or maybe it should do something like ps | … Read more
I am doing some bash script and now I got one variable call source and one array called samples, like this: source=”country” samples=(US Canada Mexico…) as I want to expand the number of sources (and each source has its own samples) I tried to add some arguments to do this. I tried this: source=”” samples=(“”) … Read more
I have a C++/Obj-C background and I am just discovering Python (been writing it for about an hour). I am writing a script to recursively read the contents of text files in a folder structure. The problem I have is the code I have written will only work for one folder deep. I can see … Read more
I often have to login to one of several servers and go to one of several directories on those machines. Currently I do something of this sort: localhost ~]$ ssh somehost Welcome to somehost! somehost ~]$ cd /some/directory/somewhere/named/Foo somehost Foo]$ I have scripts that can determine which host and which directory I need to get … Read more
One of the arguments that my script receives is a date in the following format: yyyymmdd. I want to check if I get a valid date as an input. How can I do this? I am trying to use a regex like: [0-9]\{\8} 5 Answers 5
This question already has answers here: Meaning of $? (dollar question mark) in shell scripts (8 answers) Closed 3 years ago. I’m trying to learn shell scripting, and I need to understand someone else’s code. What is the $? variable hold? I can’t Google search the answer because they block punctuation characters. 9 Answers 9
This question already has answers here: Why does shell ignore quoting characters in arguments passed to it through variables? [duplicate] (3 answers) Closed 6 years ago. I try to execute the following command : mysql AMORE -u username -ppassword -h localhost -e “SELECT host FROM amoreconfig” I store it in a string : cmd=”mysql AMORE … Read more
I need to join two binary files with a *.bat script on Windows. How can I achieve that? 11 Answers 11
I have a Bash script that runs a program with parameters. That program outputs some status (doing this, doing that…). There isn’t any option for this program to be quiet. How can I prevent the script from displaying anything? I am looking for something like Windows’ “echo off”. 8 Answers 8
