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We welcome edits that make the post easier to understand and more valuable for readers. Because community members review edits, please try to make the post substantially better than how you found it, for example, by fixing grammar or adding additional resources and hyperlinks.

Afaik, you need to read (and write) everything after the last line to be deleted, since the offset of what follows the deletion will change. E.g., to delete the first line of a 50GB file, you'll need to read and write out everything that remains. (At least, it's possible to do it in place if you're careful...)

alexis
– alexis

2019-10-10 09:37:20 +00:00
Commented Oct 10, 2019 at 9:37

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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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