shell Archives - Page 2 of 5

Compare a string using sh shell

I am using SH shell and I am trying to compare a string with a variable’s value but the if condition is always ...

May 25, 2022
0 Comments

Take a full page screenshot with Firefox on the command-line

I’m running Firefox on a Xvfb in a VPS. What I want to do is to take a full page screenshot of the ...

May 24, 2022
0 Comments

How do I kill background processes / jobs when my shell script exits?

I am looking for a way to clean up the mess when my top-level script exits. Especially if I want to use set ...

May 23, 2022
0 Comments

commands not found on zsh [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question ...

May 22, 2022
0 Comments

How to check if a file exists in a shell script

I’d like to write a shell script which checks if a certain file, archived_sensor_data.json, exists, and if so, deletes it. Following http://www.cyberciti.biz/tips/find-out-if-file-exists-with-conditional-expressions.html, I’ve ...

May 22, 2022
0 Comments

Meaning of $? (dollar question mark) in shell scripts

What does echo $? mean in shell programming? 8 Answers 8

May 20, 2022
0 Comments

Curl to return http status code along with the response

I use curl to get http headers to find http status code and also return response. I get the http headers with the ...

May 20, 2022
0 Comments

What’s an easy way to read random line from a file?

What’s an easy way to read random line from a file in a shell script? 13 Answers 13

May 20, 2022
0 Comments

What are the uses of the exec command in shell scripts? [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so ...

May 19, 2022
0 Comments

shell script to remove a file if it already exist

I am working on some stuff where I am storing data in a file. But each time I run the script it gets ...

May 18, 2022
0 Comments