Sed Shell - Replace an entire line number with a string

Revision as of 15:16, 20 September 2019 by Ardaut (talk | changes)
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sed -i 'Ns/.*/replace-line-with-this-string/' file.txt

in N you enter the line number. Please add your string in "replace-line-with-this-string".

If you use a variable use this command:

sed -i "Ns%.*%$variable%" file.txt

Here % is the delimiter instead of /