Converting Mac text files into UNIX text files (tr)

First published April 4, 2007 • Last modified on July 18, 2026 • 1 min read • 66 words If you though text files are all the same, you are wrong. Mac text file lines end with a carriage return (CR, ASCII 13), UNIX text file lines with a line feed (LF, ACII 10) and Microsoft Windows text file lines end with a combination of 2 characters: CR followed by LF. From Mac to Unix you convert with this command line: tr '\015' '\012' out_file