.TH TIMEPREFIX 1 TIMEPREFIX
.SH NAME
timeprefix \- Prefix the current time to each line
.SH SYNOPSIS
.B timeprefix
.SH DESCRIPTION
.B timeprefix
ignores all arguments. It reads stdin line by line
and prefix the current time (at the point the line
has been fully read) to each line and prints the
prefixed line to stdout.
.PP
The timestamp is written in both decimal boot time
and human-readable real time (in UTC), with with
boot time first so that muliple generated log files
can merged into one with
.B sort
.BR --merge .
.PP
.B timeprefix
also marks when the program started and terminated.