grep command to remove blank lines from file

by

FAQ : How to use grep command to remove blank lines from file
Answer: To remove the blank lines from file, use the given below syntax

grep -v '^$' /path/of/file-name

In above command,

-v = Invert the sense of matching, to select non-matching lines
^$ = It is regex. ^ means start with and $ means end with. Combining both ^$ means blank lines

Example (With screenshot):

In below given file, contents have some lines in between

grep command

Now using grep command to remove blank line from file.

grep

Learn more about grep command in our blog. Click Here.

Related posts:

  1. grep command to remove commented lines
  2. grep command to show lines after and before the keyword
  3. grep command to find multiple strings or keyword from file
  4. Unix / Linux : How to print duplicate lines from file
  5. search keyword in file with line number using grep command
  6. sed : remove lines between two keywords [ including keywords ]
  7. tr command to convert lines to space , tab and vertical tab
  8. 4 Linux commands to get number of lines in file
  9. Do not show line haveing particular keyword by grep command
  10. Print grep command output without seperator

Leave a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.