
How to increment a variable in bash? - Ask Ubuntu
Jan 30, 2017 · I found that on Bash 3.2.57, using declare -i x and then doing x+=1 in a loop (doing other thing), x did not increment more than one time. The let and (()) methods worked fine.
bash - How do I add environment variables? - Ask Ubuntu
Aug 27, 2011 · To set an environment variable from a script, use the export command in the script, and then source the script. If you execute the script it will not work. For an explanation …
Linux Bash Script, Single Command But Multiple Lines?
Linux Bash Script, Single Command But Multiple Lines? Ask Question Asked 13 years ago Modified 2 years, 7 months ago
How to activate python virtualenv through shell script?
Apr 30, 2020 · The same thing I am trying to achieve I have to run this command source .venv/bin/activate through a bash script which is not running, as I need the env should get …
How to make a file (e.g. a .sh script) executable, so it can be run ...
Dec 16, 2012 · The bash command is actually store as /bin/bash and it is an executable on all Ubuntu systems. Creating a file of commands saves you from adding the shebang #!/bin/bash …
BASH script to set environment variables not working
Your command-line environment is the parent of the script's shell, so it does not see the variable assignment. You can use the . (or source) bash command to execute the script commands in …
How do I write a shell script to install a list of applications?
Does anyone know how to write a shell script to install a list of applications? It's a pain to have to install each application by hand every time I set up a new system.
Automatically enter input in command line - Ask Ubuntu
Aug 29, 2013 · 4 You can supply user input to your script with cat, from a text file, piped to your script with bash like this: cat input.txt | bash your_script.sh Just put your desired user input into …
Run part of a bash script as a different user
Nov 28, 2023 · I am in Ubuntu 9.04. Is there a way to make part of a script run as a different (non-root) user? If it helps, the part to be run as a different user occurs at the end of the script.
What is the difference between #!/bin/sh and #!/bin/bash?
May 25, 2012 · A script may specify #!/bin/bash on the first line, meaning that the script should always be run with bash, rather than another shell. /bin/sh is an executable representing the …