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.Dd March 27, 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 ! Ar expression
invert
.Ar expression .
.It ( Fl e | Fl s ) Ar file
.Ar file
exists and has (any size
.Op Fl e
| non-zero size
.Op Fl s ) .
.It ( Fl f | Fl d | Fl p | Fl hL | Fl S | Fl b | Fl c ) Ar file
.Ar file
exists and is a
(regular file
.Op Fl f
| directory
.Op Fl d
| named pipe
.Op Fl p
| symbolic link
.Op Fl h | Fl L
| socket
.Op Fl S
| block special
.Op Fl b
| character special
.Op Fl c ) .
.It ( Fl k | Fl g | Fl u | Fl r | Fl w | Fl x ) Ar file
.Ar file
exists and has
.Xr ( sticky 1
.Op Fl k
|
.Xr setgid 2
.Op Fl g
|
.Xr setuid 4
.Op Fl u
|
.Xr read 4
.Op Fl r
|
.Xr write 2
.Op Fl w
|
.Xr execute 1
.Op Fl x )
permissions.
.It Fl t Ar fd
.Ar fd
as a file descriptor is associated with a terminal.
.It Ar string
True if
.Ar string
is not the null string.
.It ( Fl z | Fl n ) Ar string
True if
.Ar string
has (zero
.Op Fl z
| non-zero
.Op Fl n )
length.
.It Ar s1 Sy ( = | != ) Ar s2
True if strings
.Ar s1
and
.Ar s2
are
(identical
.Oo Sy = Oc
| different
.Oo Sy != Oc ) .
.It Ar n1 ( Fl eq | Fl ne | Fl gt | Fl ge | Fl le | Fl lt ) Ar n2
True if integers
.Ar n1
and
.Ar n2
are (=
.Op Fl eq
| !=
.Op Fl ne
| >
.Op Fl gt
| >=
.Op Fl ge
| <=
.Op Fl le
| <
.Op Fl lt ) .
.El
.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
The
.Nm
utility is compliant with the
.St -p1003.1-2013
specification.