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A negative index might work on bash 4.2+ depending on the patch level. But an slice ${@: -1:1} works with negative indexes since bash 3.0.

user232326
– user232326

2018-12-08 03:12:06 +00:00
Commented Dec 8, 2018 at 3:12
@Isaac That's good if you are code golfing, but not if you're writing code that others need to understand and maintain.

Kusalananda
– Kusalananda ♦

2018-12-08 08:19:56 +00:00
Commented Dec 8, 2018 at 8:19

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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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