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hdf5/doc/html/Tools.html
Frank Baker 82fb21b613 [svn-r985] Checking in changes from "HDF5 Release 1.0" CVS branch that have not yet 
been checked into "HDF5 Development" branch.

General
=======
	Various "copy edit" types of repairs.
	Revisions to document cross-linking.
	Added structural links tying all docs together (banners
	   at top and bottom of documents, similar to Reference Manual
	   banners of the Beta release).
	Set background color to white in all documents.

NCSAfooterlogo.gif
hdf2.jpg
	New image files to make the documents more self-contained
	(i.e., to prevent loading images from NCSA and HDF home servers).

index.html
	Redesigned to isolate links external to the installation
	in a single location.


Intro to HDF5
=============
H5.intro.html
	Fixed banner linking Intro to other docs.
	Set all URLs to be relative within the distribution; nothing
	   points back to the HDF server.
	Updates to "Limits of the Current Release" and "Changes in
	   the Current Release."


HDF5 User's Guide
=================
	Changed several User Guide section titles such that all
	   sections that are primarily about a particular interface
	   are now titled in the format "The xxxxx Interface (H5x)".

H5.user.html
	Commented out links to developer docs since they are marked
	   in MANIFEST as not being for distribution in the release.
	Removed 2nd and 3rd indices from page.
	Changed "freeform" lists of sections (TOCs) to aligned tables.

Datatypes.html
	Removed the sentence "I'm deferring definition until later
	   since they're probably not as important as the other data
	   types." from Section 3.3, "Properties of Date and Time
	   Atomic Types."
	Added info regarding 'char' versus 'string' datatypes.  Added
	   as Section 3.7, "Character and String Datatype Issues."

References.html
	Commented out substantial material (at end of document) from
	   References planning document that is not appropriate for
 	   the User Guide but that is worth keeping around.

Groups.html
	Final edits from elimination of "current working group."


HDF5 Reference Manual
=====================
	Removed "Draft" from the <title>__</title> lines.

RM_H5Front.html
	Removed 2nd and 3rd indices from page.
	Changed "freeform" lists of sections (TOCs) to aligned tables.

RM_H5F.html
RM_H5P.html
	Add file mounting information.
1998-12-21 17:52:56 -05:00

318 lines
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<html>
<head><title>
HDF5/Tools API Specification
</title></head>
<body bgcolor="#FFFFFF">
<hr>
<center>
<table border=0 width=98%>
<tr><td valign=top align=left>
<a href="H5.intro.html">Introduction to HDF5</a>&nbsp;<br>
<a href="H5.user.html">HDF5 User Guide</a>&nbsp;<br>
<a href="index.html">Other HDF5 documents and links</a>&nbsp;<br>
<!--
<a href="Glossary.html">Glossary</a><br>
-->
</td>
<td valign=top align=right>
And in this document, the
<a href="RM_H5Front.html">HDF5 Reference Manual</a>&nbsp;&nbsp;
<br>
<a href="RM_H5.html">H5</a>&nbsp;&nbsp;
<a href="RM_H5A.html">H5A</a>&nbsp;&nbsp;
<a href="RM_H5D.html">H5D</a>&nbsp;&nbsp;
<a href="RM_H5E.html">H5E</a>&nbsp;&nbsp;
<a href="RM_H5F.html">H5F</a>&nbsp;&nbsp;
<a href="RM_H5G.html">H5G</a>&nbsp;&nbsp;
<a href="RM_H5I.html">H5I</a>&nbsp;&nbsp;
<br>
<a href="RM_H5P.html">H5P</a>&nbsp;&nbsp;
<a href="RM_H5R.html">H5R</a>&nbsp;&nbsp;
<a href="RM_H5RA.html">H5RA</a>&nbsp;&nbsp;
<a href="RM_H5S.html">H5S</a>&nbsp;&nbsp;
<a href="RM_H5T.html">H5T</a>&nbsp;&nbsp;
<a href="RM_H5Z.html">H5Z</a>&nbsp;&nbsp;
Tools&nbsp;&nbsp;
</td></tr>
</table>
</center>
<hr>
<center>
<h1>HDF5 Tools</h1>
</center>
<h2>HDF5 Tool Interfaces</h2>
<p>
These tools enable the user to examine HDF5 files interactively.
<table border=0>
<tr><td valign=top>
<ul>
<li><a href="#Tools-Dump">h5dump</a> -- A tool for displaying
HDF5 file contents
<li><a href="#Tools-Ls">h5ls</a> -- A tool for listing specified
features of HDF5 file contents
<li><a href="#Tools-Repart">h5repart</a> -- A tool for repartitioning
a file, creating a family of files
</ul>
</td></tr>
</table>
<p>
<hr>
<dl>
<dt><strong>Tool Name:</strong> <a name="Tools-Dump">h5dump</a>
<dt><strong>Syntax:</strong>
<dd><code>h5dump
[-h]
[-bb]
[-header]
[-a </code><em>names</em><code>]
[-d </code><em>names</em><code>]
[-g </code><em>names</em><code>]
[-l </code><em>names</em><code>]
[-t </code><em>names</em><code>] </code>
<em>file</em>
<dt><strong>Purpose:</strong>
<dd>Displays HDF5 file contents.
<dt><strong>Description:</strong>
<dd><code>h5dump</code> enables the user to interactively examine
the contents of an HDF5 file and dump those contents,
in human readable form, to an ASCII file.
<p>
<code>h5dump</code> displays HDF5 file content on
standard output. It may display the content of the
whole HDF5 file or selected objects, which can be groups,
datasets, links, attributes, or data types.
<p>
The <code>-header</code> option displays object
header information only.
<p>
Names are the absolute names of the objects.
<code>h5dump</code> displays objects in the order same as the
command order. If a name does not start with a slash,
<code>h5dump</code> begins searching for the specified object
starting at the root group.
<p>
If an object is hard linked with multiple names,
<code>h5dump</code> displays the content of the object in the
first occurrence. Only the link information is displayed in
later occurrences.
<p>
<code>h5dump</code> assigns a name for any unnamed data type in
the form of <code>#</code><em>oid1</em><code>:</code><em>oid2</em>,
where <em>oid1</em> and <em>oid2</em> are the object identifiers
assigned by the library. The unnamed types are displayed within
the root group.
<p>
Data types are displayed with standard type names. For example,
if a data set is created with <code>H5T_NATIVE_INT</code> type
and the standard type name for integer on that machine is
<code>H5T_STD_I32BE</code>, <code>h5dump</code> displays
<code>H5T_STD_I32BE</code> as the type of the data set.
<p>
The <code>h5dump</code> output is described in detail in the
<a href="ddl.html"><cite>DDL for HDF5</cite></a>, the
<cite>Data Description Language</cite> document.
<dt><strong>Options and Parameters:</strong>
<dl>
<dt><code>-h</code>
<dd>Prints information on this command.
<dt><code>-bb</code>
<dd>Displays the contents of the boot block. The default is
not to display.
<dt><code>-header</code>
<dd>Displays header information only; no data is displayed.
<dt><code>-a</code> <em>names</em>
<dd>Displays the specified attribute(s).
<dt><code>-d</code> <em>names</em>
<dd>Displays the specified dataset(s).
<dt><code>-g</code> <em>names</em>
<dd>Displays the specified group(s) and all the members.
<dt><code>-l</code> <em>names</em>
<dd>Displays the values of the specified soft link(s).
<dt><code>-t</code> <em>names</em>
<dd>Displays the specified named data type(s).
<dt><em>file</em>
<dd>The file to be examined.
</dl>
<dt><strong>Current Status:</strong>
<dd>The current version of <code>h5dump</code> displays the
following information:
<ul>
<li>Group
<ul>
<li>group attributes
<li>group member
</ul>
<li>Dataset
<ul>
<li>dataset attributes
<li>data type
<li>data space
<li>data
</ul>
<li>Data type
<ul>
<li>scalar type
<li>transient type
<li>named type
<li>unnamed type
</ul>
<li>Simple data space
<li>Soft link
<li>Hard link
</ul>
<dt><strong>See Also:</strong>
<dd>HDF5 Data Description Language syntax
(<a href="ddl.html"><cite>DDL for HDF5</cite></a>)
</dl>
<hr>
<dl>
<dt><strong>Tool Name:</strong> <a name="Tools-Ls">h5ls</a>
<dt><strong>Syntax:</strong>
<dd><code>h5ls
[</code><em>options</em><code>]</code><em>
file</em><code>
[</code><em>objects...</em><code>]</code>
<dt><strong>Purpose:</strong>
<dd>Prints information about a file or dataset.
<dt><strong>Description:</strong>
<dd><code>h5ls</code> prints selected information about file objects
in the specified format.
<dt><strong>Options and Parameters:</strong>
<dl>
<dt><code>-h</code> &nbsp;&nbsp;or&nbsp;&nbsp; <code>-?</code> &nbsp;&nbsp;or&nbsp;&nbsp; <code>--help</code>
<dd>Print a usage message and exit.
<dt><code>-d</code> &nbsp;&nbsp;or&nbsp;&nbsp; <code>--dump</code>
<dd>Print the values of datasets.
<dt><code>-w</code><em>N</em> &nbsp;&nbsp;or&nbsp;&nbsp; <code>--width=</code><em>N</em>
<dd>Set the number of columns of output.
<dt><code>-v</code> &nbsp;&nbsp;or&nbsp;&nbsp; <code>--verbose</code>
<dd>Generate more verbose output.
<dt><code>-V</code> &nbsp;&nbsp;or&nbsp;&nbsp; <code>--version</code>
<dd>Print version number and exit.
<dt><em>file</em>
<dd>The file name may include a printf(3C) integer format
such as <code>%%05d</code> to open a file family.
<dt><em>objects</em>
<dd>The names of zero or more objects about which information
should be displayed. If a group is mentioned then
information about each of its members is displayed.
If no object names are specified then information about
all of the objects in the root group is displayed.
</dl>
<!--
<dt><strong>Current Status:</strong>
<dd>
<dt><strong>See Also:</strong>
<dd>
-->
</dl>
<hr>
<dl>
<dt><strong>Tool Name:</strong> <a name="Tools-Repart">h5repart</a>
<dt><strong>Syntax:</strong>
<dd><code>h5repart
[-v]
[-V]
[-[b|m]</code><em>N</em><code>[g|m|k]]</code>
<em>source_file
dest_file</em>
<dt><strong>Purpose:</strong>
<dd>Repartitions a file or family of files.
<dt><strong>Description:</strong>
<dd><code>h5repart</code> splits a single file into a family of
files, joins a family of files into a single file, or copies
one family of files to another while changing the size of the
family members. <code>h5repart</code> can also be used to
copy a single file to a single file with holes.
<p>
Sizes associated with the <code>-b</code> and <code>-m</code>
options may be suffixed with <code>g</code> for gigabytes,
<code>m</code> for megabytes, or <code>k</code> for kilobytes.
<p>
File family names include an integer <code>printf</code>
format such as <code>%d</code>.
<dt><strong>Options and Parameters:</strong>
<dl>
<dt><code>-v</code>
<dd>Produce verbose output.
<dt><code>-V</code>
<dd>Print a version number and exit.
<dt><code>-b</code><em>N</em>
<dd>The I/O block size, defaults to 1kB
<dt><code>-m</code><em>N</em>
<dd>The destination member size or 1GB
<dt><em>source_file</em>
<dd>The name of the source file
<dt><em>dest_file</em>
<dd>The name of the destination files
</dl>
<!--
<dt><strong>Current Status:</strong>
<dd>
<dt><strong>See Also:</strong>
<dd>
-->
</dl>
<hr>
<center>
<table border=0 width=98%>
<tr><td valign=top align=left>
<a href="H5.intro.html">Introduction to HDF5</a>&nbsp;<br>
<a href="H5.user.html">HDF5 User Guide</a>&nbsp;<br>
<a href="index.html">Other HDF5 documents and links</a>&nbsp;<br>
<!--
<a href="Glossary.html">Glossary</a><br>
-->
</td>
<td valign=top align=right>
And in this document, the
<a href="RM_H5Front.html">HDF5 Reference Manual</a>&nbsp;&nbsp;
<br>
<a href="RM_H5.html">H5</a>&nbsp;&nbsp;
<a href="RM_H5A.html">H5A</a>&nbsp;&nbsp;
<a href="RM_H5D.html">H5D</a>&nbsp;&nbsp;
<a href="RM_H5E.html">H5E</a>&nbsp;&nbsp;
<a href="RM_H5F.html">H5F</a>&nbsp;&nbsp;
<a href="RM_H5G.html">H5G</a>&nbsp;&nbsp;
<a href="RM_H5I.html">H5I</a>&nbsp;&nbsp;
<br>
<a href="RM_H5P.html">H5P</a>&nbsp;&nbsp;
<a href="RM_H5R.html">H5R</a>&nbsp;&nbsp;
<a href="RM_H5RA.html">H5RA</a>&nbsp;&nbsp;
<a href="RM_H5S.html">H5S</a>&nbsp;&nbsp;
<a href="RM_H5T.html">H5T</a>&nbsp;&nbsp;
<a href="RM_H5Z.html">H5Z</a>&nbsp;&nbsp;
Tools&nbsp;&nbsp;
</td></tr>
</table>
</center>
<hr>
<address>
<a href="mailto:hdfhelp@ncsa.uiuc.edu">HDF Help Desk</a>
<br>
Last modified: 30 October 1998
</body>
</html>
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