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  • How do I make sed modify newline characters (\x0a)? The command sed -i -e "s/\x0a//g" file does nothing. If I use literally any character other than \x0a it works fine. Commented May 3, 2020 at 2:27
  • try using "s/\n//g" instead (see Reg Expression section in Manpage). if that doesn't work, confirm the hex value (depending on OS, it could be a carriage return instead of a newline) that is in the file. Commented May 6, 2020 at 2:03
  • I figured out the solution is to use sed -z, since this causes sed to delimit lines with null characters instead of newline characters, so the whole file is treated as one massive line and therefore I can make sed edit newline characters. Commented May 7, 2020 at 5:42