.Dd February 9, 2015
.Dt TEST 1
.Os sbase
.Sh NAME
.Nm test
.Nd evaluate expression
.Sh SYNOPSIS
.Nm
.Ar expression
.Sh DESCRIPTION
.Nm
returns the status of the
.Ar expression .
.Sh OPTIONS
.Bl -tag -width Ds
.It Sy ! Ar expression
.Sy invert
.Ar expression .
.It Sy -(e | s) Ar file
.Ar file
.Sy exists
and has
.Sy arbitrary size | size greater than zero .
.It Sy -(f | d | p | hL | S | b | c) Ar file
.Ar file
.Sy exists
and is
.Sy regular file | directory | named pipe | symbolic link | socket | block special | character special .
.It Sy -(k | g | u | r | w | x) Ar file
.Ar file
.Sy exists
and is
.Sy sticky(1) | setgid(2) | setuid(4) | readable | writable | executable (or searchable) .
.It Fl t Ar fd
.Ar fd
as a file descriptor is
.Sy associated with a terminal .
.It Ar string
True if
.Ar string
is
.Sy not the null string .
.It Sy -(z | n) Ar string
True if
.Ar string
has
.Sy zero | non-zero
length.
.It Ar s1 Sy (= | !=) Ar s2
True if strings
.Ar s1
and
.Ar s2
are
.Sy identical | different .
.It Ar n1 Sy -(eq | ne | gt | ge | le | lt) Ar n2
True if integers
.Ar n1
and
.Ar n2
are
.Sy = | != | > | >= | <= | < .
.Sh EXIT STATUS
.Bl -tag -width Ds
.It 0
.Ar expression
is true.
.It 1
.Ar expression
is false.
.It > 1
An error occurred.
.El
.Sh SEE ALSO
.Xr expr 1
.Sh STANDARDS