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I just edited it to $url for users to understand easier. But in fact in the code I have a problem its $p Still doesnt work Blank response even with your code

Born vs. Me
– Born vs. Me

2019-01-07 12:50:23 +00:00
Commented Jan 7, 2019 at 12:50
I edited to echo the read URL. You don't see that either?

Ralf
– Ralf

2019-01-07 12:56:58 +00:00
Commented Jan 7, 2019 at 12:56
1

There is no issue with read -r url || [ -n "$url" ], this is a common way to read lines from files whose last line is not properly terminated by a newline.

Kusalananda
– Kusalananda ♦

2019-01-07 12:59:18 +00:00
Commented Jan 7, 2019 at 12:59
@Kusalananda Thanks! Learned something. Thought it is to filter out empty lines.

Ralf
– Ralf

2019-01-07 13:10:07 +00:00
Commented Jan 7, 2019 at 13:10

Add a comment |

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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