NAME
join - 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.
SYNOPSIS
join [-a ] [-v ] [-e ] [-i|--ignore-case] [-j ] [-o ] [-t ] [-1 ] [-2 ] [--check-order] [--nocheck-order] [--header] [-z|--zero-terminated] [-h|--help] [-V|--version] <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 blanks.
When `FILE1` or `FILE2` (not both) is `-`, read standard input.
OPTIONS
- -a=FILENUM
-
also print unpairable lines from file FILENUM, where FILENUM is 1 or 2, corresponding to FILE1 or FILE2
[possible values: 1, 2]
- -v=FILENUM
-
like -a FILENUM, but suppress joined output lines
[possible values: 1, 2]
- -e=EMPTY
-
replace missing input fields with EMPTY
- -i, --ignore-case
-
ignore differences in case when comparing fields
- -j=FIELD
-
equivalent to '-1 FIELD -2 FIELD'
- -o=FORMAT
-
obey FORMAT while constructing output line
- -t=CHAR
-
use CHAR as input and output field separator
- -1=FIELD
-
join on this FIELD of file 1
- -2=FIELD
-
join on this FIELD of file 2
- --check-order
-
check that the input is correctly sorted, even if all input lines are pairable
- --nocheck-order
-
do not check that the input is correctly sorted
- --header
-
treat the first line in each file as field headers, print them without trying to pair them
- -z, --zero-terminated
-
line delimiter is NUL, not newline
- -h, --help
-
Print help
- -V, --version
-
Print version
VERSION
v0.0.30