ubuntu:file:delete_empty_lines

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Ubuntu - File - Delete empty lines
- Examples

Ubuntu - File - Delete empty lines

Delete empty lines using sed.

sed '/^$/d' <input-file>
echo "LINE" | sed '/^$/d'
echo "$VAR" | sed '/^$/d'
sed '/^[[:space:]]*$/d' input_file

Examples

Delete all empty lines from a file

sed '/^$/d' /tmp/data.txt

Store output to another file use redirection operator

sed '/^$/d' /tmp/data.txt > /tmp/output.txt

Update the file directly

sed -i '/^$/d' /tmp/data.txt

ubuntu/file/delete_empty_lines.1576443992.txt.gz · Last modified: 2020/07/15 09:30 (external edit)