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unix2dos

dos2unix(1)							    2010-04-03							       dos2unix(1)

NAME

       dos2unix - DOS/MAC to UNIX and vice versa text file format converter

SYNOPSIS

	   dos2unix [options] [-c CONVMODE] [-o FILE ...] [-n INFILE OUTFILE ...]
	   unix2dos [options] [-c CONVMODE] [-o FILE ...] [-n INFILE OUTFILE ...]

DESCRIPTION

       The Dos2unix package includes utilities "dos2unix" and "unix2dos" to convert plain text files in DOS or MAC format to UNIX format and vice
       versa.  Binary files and non-regular files, such as soft links, are automatically skipped, unless conversion is forced.

       Dos2unix has a few conversion modes similar to dos2unix under SunOS/Solaris.

       In DOS/Windows text files line endings exist out of a combination of two characters: a Carriage Return (CR) followed by a Line Feed (LF).
       In Unix text files line endings exists out of a single Newline character which is equal to a DOS Line Feed (LF) character.  In Mac text
       files, prior to Mac OS X, line endings exist out of a single Carriage Return character. Mac OS X is Unix based and has the same line
       endings as Unix.

OPTIONS

       -c, --convmode CONVMODE
	   Set conversion mode. Where CONVMODE is one of: ascii, 7bit, iso, mac with ascii being the default.

       -f, --force
	   Force conversion of all files. Also binary files.

       -h, --help
	   Display online help.

       -k, --keepdate
	   Keep the date stamp of output file same as input file.

       -L, --license
	   Display software license.

       -l, --newline
	   Add additional newline.

	   dos2unix: Only DOS line endings are changed to two Unix line endings.  In Mac mode only Mac line endings are changed to two Unix line
	   endings.

	   unix2dos: Only Unix line endings are changed to two DOS line endings.  In Mac mode Unix line endings are changed to two Mac line
	   endings.

       -n, --newfile INFILE OUTFILE ...
	   New file mode. Convert the infile and write output to outfile. File names must be given in pairs and wildcard names should NOT be used
	   or you WILL lose your files.

       -o, --oldfile FILE ...
	   Old file mode. Convert the file and write output to it. The program default to run in this mode. Wildcard names may be used.

       -q, --quiet
	   Quiet mode. Suppress all warning and messages.

       -V, --version
	   Display version information.

CONVERSION MODES

       Conversion modes ascii, 7bit, and iso are similar to those of dos2unix/unix2dos under SunOS/Solaris.

       ascii
	   dos2unix: In this mode DOS line endings are converted to Unix line endings.	Unix and Mac line endings are not changed.

	   unix2dos: In this mode Unix line endings are converted to DOS line endings.	DOS and Mac line endings are not changed.

	   Although the name of this mode is ASCII, which is a 7 bit standard, the actual mode is 8 bit.

       mac dos2unix: In this mode Mac line endings are converted to Unix line endings.	DOS and Unix line endigs are not changed. You can also use
	   the command "mac2unix" to run dos2unix in Mac mode.

	   unix2dos: In this mode Unix line endings are converted to Mac line endings.	DOS and Mac line endigs are not changed. You can also use
	   the command "unix2mac" to run unix2dos in Mac mode.

       7bit
	   In this mode DOS line endings are converted to Unix line endings or vice versa.  All 8 bit non-ASCII characters (with values from 128
	   to 255) are converted to a space.

       iso In this mode DOS line endings are converted to Unix line endings or vice versa.  Characters are converted between the DOS character set
	   (code page) CP437 and ISO character set ISO-8859-1 on Unix. CP437 characters without ISO-8859-1 equivalent, for which conversion is not
	   possible, are converted to a dot. The same counts for ISO-8859-1 characters without CP437 counterpart. CP437 is mainly used in the USA.
	   In Western Europe CP850 is more standard.

	   Another option to convert text files between different encodings is to use dos2unix in combination with iconv(1). Iconv can convert
	   between a long list of character encodings. Some examples:

	   Convert from DOS DOSLatinUS to Unix Latin-1

	       iconv -f CP437 -t ISO-8859-1 in.txt | dos2unix > out.txt

	   Convert from DOS DOSLatin1 to Unix Latin-1

	       iconv -f CP850 -t ISO-8859-1 in.txt | dos2unix > out.txt

	   Convert from Windows WinLatin1 to Unix Latin-1

	       iconv -f CP1252 -t ISO-8859-1 in.txt | dos2unix > out.txt

	   Convert from Windows WinLatin1 to Unix UTF-8 (Unicode)

	       iconv -f CP1252 -t UTF-8 in.txt | dos2unix > out.txt

	   Convert from Windows UTF-16 (Unicode) to Unix UTF-8 (Unicode)

	       iconv -f UTF-16 -t UTF-8 in.txt | dos2unix > out.txt

	   Convert from Unix Latin-1 to DOS DOSLatinUS

	       unix2dos < in.txt | iconv -f ISO-8859-1 -t CP437 > out.txt

	   Convert from Unix Latin-1 to DOS DOSLatin1

	       unix2dos < in.txt | iconv -f ISO-8859-1 -t CP850 > out.txt

	   Convert from Unix Latin-1 to Windows WinLatin1

	       unix2dos < in.txt | iconv -f ISO-8859-1 -t CP1252 > out.txt

	   Convert from Unix UTF-8 (Unicode) to Windows WinLatin1

	       unix2dos < in.txt | iconv -f UTF-8 -t CP1252 in.txt > out.txt

	   Convert from Unix UTF-8 (Unicode) to Windows UTF-16 (Unicode)

	       unix2dos < in.txt | iconv -f UTF-8 -t UTF-16 > out.txt

	   See also <http://czyborra.com/charsets/codepages.html> and <http://czyborra.com/charsets/iso8859.html>.

UNICODE

       Unicode files can be encoded in different encodings. On Unix/Linux Unicode files are mostly encoded in UTF-8 encoding. UTF-8 is ASCII
       compatible. UTF-8 files can be in DOS, Unix or Mac format. It is safe to run dos2unix/unix2dos on UTF-8 encoded files. On Windows mostly
       UTF-16 encoding is used for Unicode files. Dos2unix/unix2dos should not be run on UTF-16 files. UTF-16 files are automatically skipped,
       because it are binary files.

EXAMPLES

       Get input from stdin and write output to stdout.

	   dos2unix
	   dos2unix -l -c mac

       Convert and replace a.txt. Convert and replace b.txt.

	   dos2unix a.txt b.txt
	   dos2unix -o a.txt b.txt

       Convert and replace a.txt in ascii conversion mode.

	   dos2unix a.txt

       Convert and replace a.txt in ascii conversion mode.  Convert and replace b.txt in 7bit conversion mode.

	   dos2unix a.txt -c 7bit b.txt
	   dos2unix -c ascii a.txt -c 7bit b.txt

       Convert a.txt from Mac to Unix format.

	   dos2unix -c mac a.txt
	   mac2unix a.txt

       Convert a.txt from Unix to Mac format.

	   unix2dos -c mac a.txt
	   unix2mac a.txt

       Convert and replace a.txt while keeping original date stamp.

	   dos2unix -k a.txt
	   dos2unix -k -o a.txt

       Convert a.txt and write to e.txt.

	   dos2unix -n a.txt e.txt

       Convert a.txt and write to e.txt, keep date stamp of e.txt same as a.txt.

	   dos2unix -k -n a.txt e.txt

       Convert and replace a.txt. Convert b.txt and write to e.txt.

	   dos2unix a.txt -n b.txt e.txt
	   dos2unix -o a.txt -n b.txt e.txt

       Convert c.txt and write to e.txt. Convert and replace a.txt.  Convert and replace b.txt. Convert d.txt and write to f.txt.

	   dos2unix -n c.txt e.txt -o a.txt b.txt -n d.txt f.txt

LOCALIZATION

       LANG
	   The primary language is selected with the environment variable LANG. The LANG variable consists out of several parts.  The first part
	   is in small letters the language code. The second is optional and is the country code in capital letters, preceded with an underscore.
	   There is also an optional third part: character encoding, preceded with a dot. A few examples for POSIX standard type shells:

	       export LANG=nl		    Dutch
	       export LANG=nl_NL	    Dutch, The Netherlands
	       export LANG=nl_BE	    Dutch, Belgium
	       export LANG=es_ES	    Spanish, Spain
	       export LANG=es_MX	    Spanish, Mexico
	       export LANG=en_US.iso88591   English, USA, Latin-1 encoding
	       export LANG=en_GB.UTF-8	    English, UK, UTF-8 encoding

	   For a complete list of language and country codes see the gettext manual:
	   <http://www.gnu.org/software/gettext/manual/gettext.html#Language-Codes>

	   On Unix systems you can use to command locale(1) to get locale specific information.

       LANGUAGE
	   With the LANGUAGE environment variable you can specify a priority list of languages, separated by colons. Dos2unix gives preference to
	   LANGUAGE over LANG.	For instance, first Dutch and then German: "LANGUAGE=nl:de". You have to first enable localization, by setting
	   LANG (or LC_ALL) to a value other than "C", before you can use a language priority list through the LANGUAGE variable. See also the
	   gettext manual: <http://www.gnu.org/software/gettext/manual/gettext.html#The-LANGUAGE-variable>

	   For Esperanto there is a special language file in x-method format. X-method can be used on systems that don't support Latin-3 or
	   Unicode character encoding.	Make LANGUAGE equal to "eo-x:eo".

	   If you select a language which is not available you will get the standard English messages.

       DOS2UNIX_LOCALEDIR
	   With the environment variable DOS2UNIX_LOCALEDIR the LOCALEDIR set during compilation can be overruled. LOCALEDIR is used to find the
	   language files. The GNU default value is "/usr/local/share/locale". Option "-V" will display the LOCALEDIR that is used.

	   Example (windows cmd):

	       set DOS2UNIX_LOCALEDIR=c:/my_prefix/share/locale

AUTHORS

       Benjamin Lin - <blin@socs.uts.edu.au>

       Bernd Johannes Wuebben (mac2unix mode) - <wuebben@kde.org>

       Erwin Waterlander - <waterlan@xs4all.nl>

       Project page: <http://www.xs4all.nl/~waterlan/dos2unix.html>

       SourceForge page: <http://sourceforge.net/projects/dos2unix/>

       Freshmeat: <http://freshmeat.net/projects/dos2unix>

SEE ALSO

       iconv(1)

dos2unix							    2010-03-23							       dos2unix(1)