Matched string reference in replacement text

echo "abcde" | sed 's/./& /g'
Use matched data and some other as replacement data
Sample Output
$ echo "abcde" | sed 's/./& /g'
a b c d e 

By: totti
2011-08-26 16:54:26

What Others Think

I didn't get it. Can you show another example?
zolden · 483 weeks and 6 days ago
zolden: The ampersand in the second operand expands to the text matched by the first operand. For example, # echo "hello" | sed 's/\w/"&"/g' will quote every letter, as the ampersand refers to what \w matched. It does not work with repetition operators, like + and *.
kaedenn · 483 weeks and 6 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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