How to remove empty lines with or without whitespace in Python. gives a far better performance. I compared the two solutions on a small text (10 lines if which 3 were blank). Here are the results: regex: lines = [line for line in lines if line.strip()] share | improve this answer.
Jan 03, 2006 · Hey, Scripting Guy! How can I remove all the blank lines from a text file?— RE Hey, RE. You know, back in the year 2002, when the Scripting Guys were still just lowercase scripting guys, we began working on the Microsoft Windows 2000 Scripting Guide.
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I see two good strategies to accomplish the task. One solution is to read all of the text into a list, then rewind to the start of the file and write out the desired lines.
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