How Do I Remove Non Printable Characters in Unix?
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How do I remove non-printable characters in a text file?

In Notepad, Menu View → Show Symbol → *Show All Characters option can help in viewing the non-printable characters. 2. Then using Regular Expression, we can remove the unnecessary character/ extract the required values.

How do I remove special characters from a Unix file?

Remove CTRL-M characters from a file in UNIX

  1. The easiest way is probably to use the stream editor sed to remove the ^M characters. Type this command: % sed -e “s/^M//” filename > newfilename. …
  2. You can also do it in vi: % vi filename. Inside vi [in ESC mode] type: :%s/^M//g. …
  3. You can also do it inside Emacs.
Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.

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