Troubleshooting: removing empty lines
64291
What's a good way to filter a text file to remove empty lines?
93877
Why is the empty document an error?
81091
How to disable new paragraph at empty line?
86719
How to check if file is empty or it has only blank characters?
50419
Patching commands to remove surrounding whitespace
19520
How to strip out  tags and wrap lines with  and  tags?
121859
Removing certain lines from a table
36913
How to remove lines included in one file from another file?
36616
How Does One Remove Duplicate Text Lines From Files Larger Than 4GB?
106680
Find multiple blank lines in Notepad++ and join the separated text lines
45172
Unwanted White Lines in listings environment
20409
How do I make pages which were "intentionally left blank"?
56257
Remove duplicate lines without sorting
141087
Empty line (in code) before enumerate environment
35252
How do I trim whitespace?
186
Inconsistent line spacing
14368
remove zero lines 2-D numpy array