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6

this is far neat-er solution than POSIXLY_CORRECT=1 set and it is also worthy of mention that declare is alias (in that context) for typeset, another bash builtin.
– user359096
Commented Feb 7, 2018 at 16:50
5

This is the correct answer.
– Florin Andrei
Commented Jul 26, 2019 at 19:11
3

I think this is what most people are looking for.
– WinEunuuchs2Unix
Commented Oct 18, 2019 at 23:56
5

@maoizm If you want only the variable names and nothing else, it's easier to use compgen for that. compgen -e.
– geirha
Commented Feb 3, 2020 at 20:33
1

@ColinFraizer try compgen -v instead
– geirha
Commented May 20, 2020 at 6:32

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Correct minor typos or mistakes
Clarify meaning without changing it
Add related resources or links
Always respect the author’s intent
Don’t use edits to reply to the author

create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
indent code by 4 spaces
backtick escapes `like _so_`
quote by placing > at start of line
to make links (use https whenever possible)
<https://example.com>
[example](https://example.com)
<a href="https://example.com">example</a>

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