I have a shell script like below. It works based on a condition that if $table contains test then executes small.sh, elde big.sh. Now I want to check if tables contains test , _test_and_results and success in if [[ “$table” =~ “test” ]]. How can I do that I have tried like below But wh…
Tag: bash
In Bash scripting, are commands following an ‘&&’ operator considered child processes of the preceding command?
I’m trying to make sense of the scoping precedence of environment variables in Bash. I’ve come to understand that when you use a script to modify environment variables, those modifications are only available to child processes. That each script creates its own environment scope it can modify and t…
Linux sed – remove at start and at end without delete the middle syntax
I am trying to make a automate script. I am stuck at the place where I take source code line like: I want the script to always remove the text before and after “Seller Refurbished”. I know that “Seller refubished” is a variable that can change. After sed I want this result: Answer
Preventing background process from writing to console
In Linux’s bash, I know how to start a long running process and send it to the background. For example run.sh, then press Control+Z, then type bg 1 Sometime I would like to continue do other work, but this background process keep printing to my Putty console – which is annoying. I know I can start…
Python installation in custom directory (Linux): PIP not working
I have installed Python3.6.4 in a Linux machine, under a user directory, lets say /drive/username/Python3.6.4 I’ve setup my path and aliases, and Python is working properly (i.e. executing python3 puts me in the correct environment, which python3 produces: /drive/username/Python3.6.4/bin/python3) The pr…
CalledProcessError: Command ‘(‘grep’, ‘route’)’ returned non-zero exit status 1
Python3 OSX 10.13.2 I am trying to make FACEBOOK_WHITELIST in order to prevent malicious attack from the internet when listening to webhook I am in the process of getting the IP addresses. The command is very simple just whois, pipe, and grep. Problem: Trackback: Then I tried smaller function call. Neither of…
Installing a package independent of package manager [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 5 years ago. Improve this question I am trying to create an install script for my program that runs on Linux …
Mapping Azure File Share in Bash Cloud Shell
Is this possible? So far I have not had much luck but I have limited Linux skills. I want to be able to map a persistent share so I can store Terraform state files that can be accessed by every person on my team. Using the PowerShell Shell, I can easily create a new psdrive to the share but you
Linux Terminal Two Conditions to check
I need to check if node is running and if file /root/app/application.js exists and return corresponding message in terminal… For checking if node is running or not i do this and this works: Now i need to add to this to check also if file not exists /root/app/application.js so i found that this command i…
How to access python return value from bash script
I’m trying to understand how to access from a bash script the return value of a python script. Clarifying through an example: foo.py start.sh If I run the bash script, this prints the message “exec main..”. How can I store in script_output the return value (execution ok)? If I direct executi…