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The array variant will break in mysterious ways if the value contains shell metacharacters. You can't quote it, either, because that prevents the shell from breaking it into multiple array elements. (I added quoting where it was missing to several answers here, including earlier in this answer.)
– tripleee
Commented Apr 16, 2022 at 19:21
1

@tripleee, thanks for fixing the quotes. I addressed your point and fixed my answer by changing A_array=($A) to IFS=" " read -r -d '' -a A_array <<< "$A" as a recommended "Option 2" to split the multi-word string into an array.
– Gabriel Staples
Commented Apr 16, 2022 at 21:14

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Correct minor typos or mistakes
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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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