NAME

       join - manual page for join 0.0.14

DESCRIPTION

       join  0.0.14  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 blanks.

       When FILE1 or FILE2 (not both) is -, read standard input.

   USAGE:
              join [OPTIONS] <FILE1> <FILE2>

   OPTIONS:
       -1 <FIELD>
              join on this FIELD of file 1

       -2 <FIELD>
              join on this FIELD of file 2

       -a <FILENUM>
              also  print  unpairable  lines  from  file  FILENUM,  where  FILENUM  is  1  or  2,
              corresponding to FILE1 or FILE2 [possible values: 1, 2]

       --check-order
              check that the input is correctly sorted, even if all input lines are pairable

       -e <EMPTY>
              replace missing input fields with EMPTY

       -h, --help
              Print help information

       --header
              treat  the  first  line in each file as field headers, print them without trying to
              pair them

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

       -j <FIELD>
              equivalent to '-1 FIELD -2 FIELD'

       --nocheck-order
              do not check that the input is correctly sorted

       -o <FORMAT>
              obey FORMAT while constructing output line

       -t <CHAR>
              use CHAR as input and output field separator

       -v <FILENUM>
              like -a FILENUM, but suppress joined output lines [possible values: 1, 2]

       -V, --version
              Print version information

       -z, --zero-terminated
              line delimiter is NUL, not newline

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.