is_readable

Gamma: Version 4.0
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# `is_readable`

`is_readable` -- determines if a file is readable.

## Syntax

    is_readable (path)

## Arguments

`path`

  A character string defining a file path and file name in this file system.

## Returns

t if the named file exists and is readable, otherwise nil. Existing files might not be readable because of settings on the files bitmask.

## Example

        Gamma> is_readable("/usr/doc/FAQ/txt/FAQ");
        t
        Gamma>

## See Also

`is_writable`, `is_busy`

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