h5exists Test the existence of named object

## Syntax

                b = h5exists(obj, locations)
                b = h5exists(obj, location, attrNames)
                b = h5exists(filename, locations)
                b = h5exists(filename, location, attrNames)

## Arguments

obj

  a H5Object

locations

  a matrix of string containing the path to check

location

  a string giving the location where to check the attributes names

attrNames

  a matrix of string containing the attributes names to check

filename

  a string giving the filename

b

  a matrix of booleans

## Description

Check the existence of a named object or an attribute.

## Examples

    x = 123;
    y = 321;
    save(TMPDIR + "/xy.sod", "x", "y");

    // We open the file
    a = h5open(TMPDIR + "/xy.sod", "r");

    // Check existence of datasets "x", "y" and "z"
    // "z" does not exist...
    h5exists(a, ["x" "y" "z"])

    // Check presence of Silab attributes
    h5exists(a, "/", ["SCILAB_sod_version", "SCILAB_scilab_version"])

    // Free all the resources
    h5close(a);

## See also

- h5open
- h5get

## History

5.5.0 HDF5 module introduced.