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This is brittle. It does not allow comments in the input file, does not handle quoted variable values properly, and fails on multi-line variables. Granted I don't have many multi-line variables, but I do use comments regularly and often need to use quotes for variable values.

Louis
– Louis

2019-07-24 15:53:16 +00:00
Commented Jul 24, 2019 at 15:53
@Louis: These issues can be fixed with little effort (see my answer below if you mind). The nice thing about this approach is that it is bash-only, single-line and no source processing (arbitrary script execution).

alecov
– alecov

2022-02-01 19:39:54 +00:00
Commented Feb 1, 2022 at 19:39

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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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