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Q&A

Posts tagged bash

Use for questions about scripts written for the Bash command shell.

This tag doesn't have a detailed wiki yet.

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+6 −0
Q&A How to use grep to print only specific word from a string

I have a variable that contains a string: $CCSR = "branches/features/arm_and_musl" I want to get only the part after the last /. In this case it's "arm_and_musl" but it can be anything. So som...

3 answers  ·  posted 4mo ago by Megan‭  ·  edited 4mo ago by hkotsubo‭

Question bash shell
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+6 −0
Q&A How to read lines into an array in Bash

I wish to fill an array with strings, using Bash scripting. The strings are in a file, one per line. Here is what I've tried: declare -a my_array=() while read line; do my_array+=( "$line"...

3 answers  ·  posted 1y ago by LVx0‭  ·  edited 1y ago by Alexei‭

Question array bash console stdin
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+7 −0
Q&A What are field separators in operating-programming languages (such as Bash)?

The concept of field separator has some private cases in different operating system shells and their utilities (IFS on Bourne shell and derivates, RS on AWK and perhaps more) but I am having troubl...

1 answer  ·  posted 1y ago by deleted user  ·  edited 1y ago by deleted user

Question linux bash shell Bourne
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+4 −0
Q&A How to prompt a user for an expanded variable in Bash?

I work with CentOS operating system and my only shell is Bash. I want to create a script which prompts a user with a question like "What is your web application root?" The user should answer dire...

1 answer  ·  posted 1y ago by deleted user  ·  last activity 1y ago by Someone‭

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Q&A Unable to `mount` overlayfs in Docker container when inside a LXC with a ZFS pool

Summary/Context I'm currently working to improve performance and throughput of our automation infrastructure, most of which is a combination of Bash/Shell scripts, Python scripts, Docker, Jenkins,...

1 answer  ·  posted 2y ago by ghost-in-the-zsh‭  ·  last activity 2y ago by ghost-in-the-zsh‭

Question linux bash docker lxc zfs

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