multitail
Extension of tail.
TLDR
Tail all files matching a pattern in a single stream
$ multitail -Q 1 '[pattern]'
Tail all files in a directory in a single stream
$ multitail -Q 1 '[path/to/directory]/*'
Automatically add new files to a window
$ multitail -Q [pattern]
Show 5 logfiles while merging 2 and put them in 2 columns with only one in the left column
$ multitail -s 2 -sn 1,3 [mergefile] -I [file1] [file2] [file3] [file4]
