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JOIN(1)				      FSF			       JOIN(1)

NAME
       join - join lines of two	files on a common field

SYNOPSIS
       join [OPTION]...	FILE1 FILE2

DESCRIPTION
       For  each  pair of input	lines with identical join fields, write	a line
       to standard output.  The	default	join field is the first, delimited  by
       whitespace.   When FILE1	or FILE2 (not both) is -, read standard	input.

       -a SIDE
	      print unpairable lines coming from file SIDE

       -e EMPTY
	      replace missing input fields with	EMPTY

       -i, --ignore-case ignore	differences in case when comparing fields

       -j FIELD
	      (obsolescent) equivalent to `-1 FIELD -2 FIELD'

       -j1 FIELD
	      (obsolescent) equivalent to `-1 FIELD'

       -j2 FIELD
	      (obsolescent) equivalent to `-2 FIELD'

       -o FORMAT
	      obey FORMAT while	constructing output line

       -t CHAR
	      use CHAR as input	and output field separator

       -v SIDE
	      like -a SIDE, but	suppress joined	output lines

       -1 FIELD
	      join on this FIELD of file 1

       -2 FIELD
	      join on this FIELD of file 2

       --help display this help	and exit

       --version
	      output version information and exit

       Unless -t CHAR  is  given,  leading  blanks  separate  fields  and  are
       ignored,	 else fields are separated by CHAR.  Any FIELD is a field num-
       ber counted from	1.  FORMAT is one or more  comma  or  blank  separated
       specifications, each being `SIDE.FIELD' or `0'.	Default	FORMAT outputs
       the join	field, the remaining fields from FILE1,	the  remaining	fields
       from FILE2, all separated by CHAR.

AUTHOR
       Written by Mike Haertel.

REPORTING BUGS
       Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT
       Copyright (C) 2002 Free Software	Foundation, Inc.
       This is free software; see the source for copying conditions.  There is
       NO warranty; not	even for MERCHANTABILITY or FITNESS FOR	 A  PARTICULAR
       PURPOSE.

SEE ALSO
       The  full documentation for join	is maintained as a Texinfo manual.  If
       the info	and join programs are properly installed  at  your  site,  the
       command

	      info join

       should give you access to the complete manual.

join (coreutils) 4.5.3		 February 2003			       JOIN(1)

NAME | SYNOPSIS | DESCRIPTION | AUTHOR | REPORTING BUGS | COPYRIGHT | SEE ALSO

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