23 мар. 2019 г. · This grep command works and even accounts for dos carriage returns, blank/empty lines, and blank lines that contain empty spaces and/or tabs.

12 июн. 2015 г. · Using grep · Press Ctrl + H to open Find and Replace · In the 'Find' box, enter \n\n which signifies two new lines without text in-between them.

5 авг. 2015 г. · I want to get delete all of the blank lines and lines with spaces (if any exist (ONLY from the bottom of the file)) and then to remove one more line.

16 окт. 2014 г. · Does anyone know how to use Sed to delete all blank spaces in a text file? I haven been trying to use the "d" delete command to do so, but can't seem to figure ...

1 апр. 2020 г. · They appear as empty lines because of wrapping by the terminal. You can remove them with tr, for example by squeezing horizontal whitespace.

8 нояб. 2011 г. · The solution you posted will delete empty lines: sed '/^$/d' myFile > output. This won't work for lines that contain spaces, or hard tabs, or any other kind of ...

6 авг. 2017 г. · sed -i '/^$/d' file will delete empty lines from file . It might be a better solution to just print line numbers... – YSC. Commented Aug 7, 2017 ...

24 янв. 2018 г. · Here You can see several examples how to remove empty line from a text file. Using sed : sed '/^$/d' <input-file>. To delete all empty lines ...

25 дек. 2016 г. · Use -i flag to modify the file in-place. Without that, the command would just print the output of sed to the screen, without updating the file.

10 окт. 2019 г. · With sed you can use this: sed -i '/\w .*/d' file. or this, if the first word can contain anything but whitespace: sed -i '/\S .*/d' file.