prefixer@1.1 Add a string to the beginning of every line. TL;DR $> uptime | prefixer "xpto" xpto> 09:02:20 up 3:40, 1 user, load average: 0,75, 1,13, 1,47 $> uptime | prefixer {machine-hostname}> 09:02:20 up 3:40, 1 user, load average: 0,75, 1,13, 1,47