Thursday, June 13, 2024
HomeUNIXRemove blank lines from a file using grep

Remove blank lines from a file using grep

How can I remove blank lines from a file in UNIX?


grep -v "^$" filename > newfilename

The ^$ within the quotes is a regular expression: ^=beginning of line, $=end of line, with no characters between.

See additional helpful information in the comments below.

Quinn McHenry
Quinn McHenry
Quinn was one of the original co-founders of Tech-Recipes. He is currently crafting iOS applications as a senior developer at Small Planet Digital in Brooklyn, New York.
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