join

Join lines of two sorted files on a common field.

Install

All systems
curl cmd.cat/join.sh
Debian Debian
apt-get install coreutils
Ubuntu
apt-get install coreutils
Alpine
apk add coreutils
Arch Arch Linux
pacman -S coreutils
image/svg+xml Kali Linux
apt-get install coreutils
CentOS
yum install coreutils
Fedora
dnf install coreutils
OS X
brew install coreutils
Raspbian
apt-get install coreutils

Join lines of two sorted files on a common field.

  • Join two files on the first (default) field:
    join file1 file2
  • Join field3 of file1 with field1 of file2:
    join -1 3 -2 1 file1 file2
  • Produce a line for each unpairable line for file1:
    join -a 1 file1 file2

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