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# CRLF を LF に変換

% ruby -i -pe 'sub("\r\n", "\n")' test-crlf.txt







# CRLF を LF に変換 ファイルいっぱい版

% ruby -i -pe 'sub("\r\n", "\n")' crlf-files/**/*(.)




nkf -g foo.txt




*NKF

oldMac, Windows -> Unix

$ nkf -Lu foo.txt > unix.txt




oldMac, Unix -> Windows

$ nkf -Lw foo.txt > windows.txt




*tr

Mac -> Unix

$ tr \\r \\n <mac.txt >unix.txt




Windows -> Unix

$ tr -d \\r <windows.txt >unix.txt




Unix -> Windows

$ perl -p -e 's/\n/\r\n/' <unix.txt >windows.txt