In Bash, what are the differences between single quotes ('') and double quotes ("")? 7 s 7
This question already has answers here: How to redirect and append both standard output and standard error to a file with Bash (9 ...
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April 22, 2022
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Is there a “canonical” way of doing that? I’ve been using head -n | tail -1 which does the trick, but I’ve been ...
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April 22, 2022
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I am trying to mount a host directory into a Docker container so that any updates done on the host is reflected into ...
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April 21, 2022
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I’m trying to write a small script to change the current directory to my project directory: #!/bin/bash cd /home/tree/projects/java I saved this file ...
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April 21, 2022
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A coworker claimed recently in a code review that the [[ ]] construct is to be preferred over [ ] in constructs like ...
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April 21, 2022
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This question already has answers here: Propagate all arguments in a bash shell script (12 answers) Closed 2 years ago. Let’s say I ...
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April 21, 2022
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How do I find and replace every occurrence of: subdomainA.example.com with subdomainB.example.com in every text file under the /home/www/ directory tree recursively? 36 ...
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April 20, 2022
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In shell scripts, when do we use {} when expanding variables? For example, I have seen the following: var=10 # Declare variable echo ...
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April 20, 2022
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TL;DR: How do I export a set of key/value pairs from a text file into the shell environment? For the record, below is ...
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April 20, 2022
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