How do you remove blank spaces at the end of a line in Linux?

Remove just spaces: $ sed ‘s/ *$//’ file | cat -vet – hello$ bye$ ha^I$ # tab is still here! Remove spaces and tabs: $ sed ‘s/[[:blank:]]*$//’ file | cat -vet – hello$ bye$ ha$ # tab was removed!

How do I remove blank spaces in Linux?

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

  1. Remove blank lines (not including lines with spaces). grep . file.txt.
  2. Remove completely blank lines (including lines with spaces). grep “S” file.txt.

How do you remove ending spaces?

Trim Spaces for Excel – remove extra spaces in a click

  1. Select the cell(s) where you want to delete spaces.
  2. Click the Trim Spaces button on the ribbon.
  3. Choose one or all of the following options: Trim leading and trailing spaces. Trim extra spaces between words, except for a single space. …
  4. Click Trim.

How do I remove the last blank line in Unix?

Try ${/^$/d;} this will only match an empty line if it is the last line of the file. I tried it with sed (GNU sed) 4.2. 2 and got all blank lines deleted not only the empty line if it is the last line of the file.

How do I remove blank spaces in a text file?

3 Answers. To delete all spaces in the file, replace ‘ +’ with ” (quotes only for demonstration, please remove them). You need to have the checkbox “Regular expression” checked. To remove all spaces and tabs, replace ‘[ t]+’ with ” (remove quotes).

How do you grep blank lines in Unix?

To match empty lines, use the pattern ‘ ^$ ‘. To match blank lines, use the pattern ‘ ^[[:blank:]]*$ ‘. To match no lines at all, use the command ‘ grep -f /dev/null ‘.

What is leading and trailing spaces?

Trailing space is all whitespace located at the end of a line, without any other characters following it. This includes spaces (what you called a blank) as well as tabs t , carriage returns r , etc. There are 25 unicode characters that are considered whitespace, which are listed on Wikipedia.

Why is trim not removing spaces in Excel?

One space character commonly used in Web pages that TRIM() will not remove is the non-breaking space. If you have imported or copied data from Web pages you may not be able to remove the extra spaces with the TRIM() function if they are created by non-breaking spaces.

How do you get rid of blank lines in awk?

We can remove blank lines using awk: $ awk NF < myfile.

How do you remove the last blank line in Java?

replaceAll() may be replacing a line at the end and leaving the line blank. Use str2. trim() or move str2 = str2. replaceAll(“\s”,””) after the second replaceAll() .

How do you remove blank lines in Java?

Try this: String text = “line 1nnline 3nnnline 5”; String adjusted = text. replaceAll(“(? m)^[ t]*r?

Where is spaces in Notepad ++?

How-to-do-it Steps:

  1. Open the file in Notepad++
  2. Press Ctrl + F to open Find Box. Select Replace tab. Add /t to Find what field and a space or a comma (,) as per what’s your need to the Replace with filed.
  3. Click on Replace All. All tabs will be replaced by spaces/comma’s.
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