How to Remove Empty Lines from File

Simple solution is by using grep (GNU or BSD) command as below.

Remove blank lines (not including lines with spaces). grep . file.txt.
Remove completely blank lines (including lines with spaces). grep "\S" file.txt.

How do you delete all blank lines including those that contain whitespace from a file using awk?
Which command will delete all the blank lines in file old text?
How do I get rid of extra lines?
How do you remove blank lines in Java?
How do I remove space from AWK output?
How do you remove blank lines from a text file in Python?
Which of the following command is used to delete a lines to general buffer?
Which command will delete the lines containing the pattern?
Which of the following filter is used to remove duplicate lines?
How can I remove a line break online?
How do I delete unnecessary lines in Word?
How do I get rid of extra lines in Word?

How do you delete all blank lines including those that contain whitespace from a file using awk?

The output printed by a working solution looks like: This is the first non-blank line. Some data comes here ----- 1 2 3 ----- Data End. This is the last non-blank line.
...
6. Remove Trailing Blank Lines Only

6.1. Using tac. The tac command is a member of the GNU Coreutils package. ...
6.2. Using sed. ...
6.3. Using awk.

Which command will delete all the blank lines in file old text?

Use the grep command to delete empty lines.

Use the awk command to delete empty lines in the file. ...
Use the sed command to delete empty lines in the file. ...
Use the grep command to delete empty lines in the file.

How do I get rid of extra lines?

Delete All Blank Lines between Paragraphs

Or you can press “Ctrl+ h”. Both ways can open the “Find and replace” dialog box.

How do you remove blank lines in Java?

You can remove empty lines from your code using the following code: String test = plainTextWithEmptyLines. replaceAll("[\\\r\\\n]+",""); Here, plainTextWithEmptyLines denotes the string having the empty lines.

How do I remove space from AWK output?

To trim the whitespaces in only those lines that contain a specific character, such as a comma, colon, or semi-colon, use the awk command with the -F input separator. For instance, shown below is our sample file that contains whitespaces in each line.

How do you remove blank lines from a text file in Python?

Use str. strip() with a list comprehension to remove empty lines

string_with_empty_lines = "Line One\nLine Two\n \nLine Three\n"
print(string_with_empty_lines)
lines = string_with_empty_lines. ...
non_empty_lines = [line for line in lines if line. ...
string_without_empty_lines = ""
for line in non_empty_lines:

Which of the following command is used to delete a lines to general buffer?

The vi dd command deletes the current line in the vi general buffer. If you use the vi p or P commands before making any other changes to the file, the deleted line will be put into the file just after (p) or just before (P) the line on which the cursor is resting.

Which command will delete the lines containing the pattern?

Sed Command to Delete Lines: Sed command can be used to delete or remove specific lines which matches a given pattern or in a particular position in a file.

Which of the following filter is used to remove duplicate lines?

Explanation: uniq : Removes duplicate lines.

How can I remove a line break online?

Remove or replace line breaks

First insert the text to edit into the input field. If you leave the text box labeled "Replace line breaks by:" empty, line breaks are removed completely. This would be useful, for example, if all lines begin with a space, tab or other delimiters.

How do I delete unnecessary lines in Word?

Delete lines or connectors

Click the line, connector, or shape that you want to delete, and then press Delete. Tip: If you want to delete multiple lines or connectors, select the first line, press and hold Ctrl while you select the other lines, and then press Delete.

How do I get rid of extra lines in Word?

Remove double line spacing

Select the paragraph you want to change, or press Ctrl+A to select all text.
Go to Home > Line and Paragraph Spacing.
Select the line spacing you want. ...
For more exact spacing, select Line Spacing Options, and make changes under Spacing.