.Dd $Mdocdate$
.Dt WATCH 1
.Os "Causal Agency"
.Sh NAME
.Nm watch
.Nd watch files
.Sh SYNOPSIS
.Nm
.Ar
.Ar command
.Nm
.Ar
.Cm --
.Ar command
.Op Ar "argument ..."
.Sh DESCRIPTION
.Nm
executes the
.Ar command
each time a
.Ar file
is modified.
.Sh EXAMPLES
.Dl watch watch.c make
.Dl watch wake.c watch.c -- make wake watch
.Sh CAVEATS
.Nm
does not support Linux
since it uses
.Xr kqueue 2 .