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Don't use eval $hello, use eval "$hello". Without the double-quotes, some unwanted parsing is done, which can cause very weird bugs. See this answer for an example (in a rather different situation, but the same principles apply).

Gordon Davisson
– Gordon Davisson

2012-02-25 09:20:25 +00:00
Commented Feb 25, 2012 at 9:20

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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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