test

Runs on:

QNX OS

Options:

Tests with one argument

-b path

Test if path blocks device.

-c path

Test if path is a char device.

-d path

Test if path is a directory.

-e path

Test if path exists.

-f path

Test if path is a regular file.

-g path

Test if path is a setgid (set group ID).

-h path

Test if path is a symlink.

-k path

Test if path has a sticky bit.

-L path

Test if path is a symlink.

-n string

Test if the string size is non-zero .

-p path

Test if path is FIFO.

-r path

Test if path is readable.

-S path

Test if path is a socket.

-s path

Test if path size is non-zero.

-t fd

Test if file descriptor fd is a tty.

-u path

Test if path has a setuid bit.

-w path

Test if path is writable.

-x path

Test if path is executable.

-z string

Test if string size is zero.

Tests with two arguments

The following options are for tests with one argument on each side of the operator:

=

Test if strings are equal.

!=

Test if strings differ.

=~

Test if strings match regex.

<

Test if arg1 is lower than arg2 in an alpabetical sort.

>

Test if arg1 is greater than arg2 in an alpabetical sort.

-eq

Test if both integers are equal.

-ge

Test if first integer arg1 is greater than or equal to second integer arg2.

-gt

Test if first integer arg1 is greater than second integer arg2

-le

Test if first integer arg1 is less than or equal to second integer arg2.

-lt

Test if first integer arg1 is less than to second integer arg2.

-ne

Test if two integers are not equal.

Modifying or combining tests

The operators below can be used in combination with the expressions above to modify tests:

! expression

Swap true or false (NOT operator).

( expression )

Evaluate this test first.

expression1 -a expression2

Test if both expressions are true (AND operator).

expression1 -o expression2

Test if one or both expressions are true (OR operator).

Description:

The test utility returns true or false by performing tests. If there are no arguments or the argument contains an empty string, the test utility returns false.

This utility is provided as part of the toybox package. For information on how to enable it, see toybox.

Contributing author:

Rob Landley and the toybox project (see https://landley.net/toybox/).