input-file - File input
input-file: [<file>]
input-file: |[cmd]
Reads and generates events from a file such as one created by filter-
save(7).
file The file events are read from. The standard input is used by
default.
cmd If the file name starts with a |, it is interpreted as a command
which is run. The process stdout is used as input file for
input-file.
filter-save(7)