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While this code snippet may solve the question, including an explanation of how and why this solves the problem would really help to improve the quality of your post. Remember that you are answering the question for readers in the future, not just the person asking now! Please edit your answer to add explanation, and give an indication of what limitations and assumptions apply.

Toby Speight
– Toby Speight

2016-12-05 16:07:35 +00:00
Commented Dec 5, 2016 at 16:07
In particular, if printf isn't a shell builtin, it will be subject to the same limitation.

Toby Speight
– Toby Speight

2018-06-18 10:29:40 +00:00
Commented Jun 18, 2018 at 10:29

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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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