linux - Why does the `echo -e "
"` command output two blank lines when it has only one newline character?

Question

As title. {code...}

某草草 · Answer

By default echo will output a newline character. So adding the specified "n", a total of two will be output.

-n Don’t automatically wrap the line at the end

So you can pass echo -n to not output the default newline.

phpcn_u1582 · Answer

echo

The principle is explained by the two classmates above. If the questioner needs to output a blank line, this is fine

为情所困 · Answer

Because the echo command itself appends a newline character to the output string by default, you can prevent this default behavior by adding an option -n:

echo -ne "
"