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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.

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

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.

COPYRIGHT
       Copyright © 1999 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.

GNU textutils 2.0		  August 1999			       JOIN(1)

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