bash Archives - Page 32 of 36

In a Bash script, how can I exit the entire script if a certain condition occurs?

I’m writing a script in Bash to test some code. However, it seems silly to run the tests if compiling the code fails ...

April 19, 2022
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Reliable way for a Bash script to get the full path to itself [duplicate]

This question already has answers here: How can I get the source directory of a Bash script from within the script itself? (72 ...

April 19, 2022
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Read a file line by line assigning the value to a variable [duplicate]

This question already has answers here: Looping through the content of a file in Bash (16 answers) Closed 1 year ago. I have ...

April 19, 2022
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How can I exclude all “permission denied” messages from “find”?

I need to hide all permission denied messages from: find . > files_and_folders I am experimenting when such message arises. I need to ...

April 19, 2022
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How can I write a heredoc to a file in Bash script?

How can I write a here document to a file in Bash script? 10 s 10 Read the Advanced Bash-Scripting Guide Chapter 19. ...

April 18, 2022
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What are the special dollar sign shell variables?

In Bash, there appear to be several variables which hold special, consistently-meaning values. For instance, ./myprogram &; echo $! will return the PID ...

April 18, 2022
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Check number of arguments passed to a Bash script

I would like my Bash script to print an error message if the required argument count is not met. I tried the following ...

April 18, 2022
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Add a new element to an array without specifying the index in Bash

Is there a way to do something like PHPs $array = 'foo'; in bash vs doing: array[0]='foo' array...

April 18, 2022
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Count number of lines in a git repository

How would I count the total number of lines present in all the files in a git repository? git ls-files gives me a ...

April 18, 2022
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How do I pause my shell script for a second before continuing?

I have only found how to wait for user input. However, I only want to pause so that my while true doesn’t crash ...

April 17, 2022
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