bash-functions | A collection of useful Bash/ZSH functions | Plugin library

by nathanchapman Shell Version: Current License: No License

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kandi X-RAY | bash-functions Summary

bash-functions is a Shell library typically used in Plugin applications. bash-functions has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

A collection of useful Bash/ZSH functions

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bash-functions has a low active ecosystem.

It has 15 star(s) with 2 fork(s). There are 2 watchers for this library.

It had no major release in the last 6 months.

bash-functions has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of bash-functions is current.

Quality

bash-functions has no bugs reported.

Security

bash-functions has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

bash-functions does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

bash-functions releases are not available. You will need to build from source code and install.

Installation instructions, examples and code snippets are available.

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bash-functions Examples and Code Snippets

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Community Discussions

Trending Discussions on bash-functions

How do I read a file into a variable with an unknown number of quotes in Bash

Recursive bash script to rename files and folders with specific rules on Mac/Linux

bash `set -e` reset inside functions when run via `$(...)`?

How to safely exit early from a bash script?

QUESTION

How do I read a file into a variable with an unknown number of quotes in Bash

Asked 2020-Dec-16 at 14:47

I try to read a file into a variable with git-bash. I am using something like this:

...

ANSWER

Answered 2020-Dec-16 at 08:00

Do not use eval.

In bash, you can $( instead of $(cat file). It's just a bit faster.

You can use a namereference:

Source https://stackoverflow.com/questions/65319194

QUESTION

Recursive bash script to rename files and folders with specific rules on Mac/Linux

Asked 2020-Oct-20 at 11:59

Hope you are all well!

I am after achieving this relatively simple task, yet I am failing in getting optimal results, so I need your help.

Scenario:

I have the following files and folders (directories) structure:

...

ANSWER

Answered 2020-Oct-20 at 11:59

Here is a working solution I have come up with so far which needs to be optimised and cleaned up, its rudimentary and I can use optimisation tips:

Solution 1 - GitHub - WIP

Source https://stackoverflow.com/questions/63296988

QUESTION

bash `set -e` reset inside functions when run via `$(...)`?

Asked 2019-Oct-04 at 01:09

It seems that the set -e option in Bash gets reset inside of functions, when those functions are invoked via a $(...) expansion.

This surprises me, and I'm not sure if it is a bug or not. I have not been able to find a description of this behavior in the (usually quite thorough) Bash manpage.

Note: here are some other similar SO posts:

But neither of them deals with $(...), which is not really discussed in the manpage either.

I also cannot find reference to this issue in the excellent Bash FAQ 105.

Here is a small program to demonstrate the issue:

...

ANSWER

Answered 2019-Oct-04 at 00:35

The behaviour of set -e in conjunction with Command Substitution is documented in Command Execution Environment:

Subshells spawned to execute command substitutions inherit the value of the -e option from the parent shell. When not in POSIX mode, Bash clears the -e option in such subshells.

That seems to say that the behaviour you see is expected — unless you're running in POSIX mode, the -e option is unset in command substitution subshells in Bash (even though the -e setting is initially inherited, it is changed soon after the subshell commences execution). It's a funny way of writing it, though.

Source https://stackoverflow.com/questions/58228383

QUESTION

How to safely exit early from a bash script?

Asked 2018-Aug-24 at 23:04

I know there are several SO questions on exit vs. return in bash scripts (e.g. here).

On this topic, but different from existing questions, I believe, I'd like to know if there is a "best practice" for how to safely implement "early return" from a bash script such that the user's current shell is not exited if they source the script.

Answers such as this seem based on "exit", but if the script is sourced, i.e. run with a "." (dot space) prefix, the script runs in the current shell's context, in which case exit statements have the effect of exiting the current shell. I assume this is an undesirable result because a script doesn't know if it is being sourced or being run in a subshell - if the former, the user may unexpectedly have his shell disappear. Is there a way/best practice for early-returns to not exit the current shell if the caller sources it?

E.g. This script...

...

ANSWER

Answered 2018-Aug-24 at 23:04

The most common solution to bail out of a script without causing the parent shell to terminate is to try return first. If it fails then exit.

Your code will look like this:

Source https://stackoverflow.com/questions/52012444

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