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< div > < span > User guide< / span > < / div >
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< li class = "now" > < img src = "../images/flags/gb.png" alt = "" / > English< / li >
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< li > < a href = "../ca/index.html" > < img src = "../images/flags/ca.png" alt = "" / > Català< / a > < / li >
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« < a href = "attributes.html" > Attributes< / a >
:: < a href = "contents.html" class = "uplink" > Contents< / a >
:: < a href = "queries.html" > Queries< / a > »
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< h1 > Index< / h1 >
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< p > < a href = "attributes.html" > Attributes< / a > and < a href = "queries.html" > Queries< / a > are key features of Haiku. While attributes are useful on their own, to display additional information on a file, for a query on them, they need to be indexed. It puts them into a lookup table, which in turn makes queries lightning fast.< br / >
The index is part of the filesystem and is kept for every volume/partition separately.< / p >
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< h2 >
Indexing commands in Terminal< / h2 >
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< p > There are several commands to manage the index:< / p >
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< ul >
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< li > < b > lsindex< / b > - Displays the indexed attributes on the current volume/partition.< br / >
These are the attributes that are indexed by default:< / li >
< / ul >
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< pre class = "terminal" > ~ -> lsindex
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BEOS:APP_SIG
MAIL:account
MAIL:cc
MAIL:chain
MAIL:draft
MAIL:flags
MAIL:from
MAIL:name
MAIL:pending_chain
MAIL:priority
MAIL:reply
MAIL:status
MAIL:subject
MAIL:thread
MAIL:to
MAIL:when
META:address
META:city
META:company
META:country
META:email
META:fax
META:group
META:hphone
META:name
META:nickname
META:state
META:url
META:wphone
META:zip
_signature
_status
_trk/qrylastchange
_trk/recentQuery
be:deskbar_item_status
last_modified
name
size
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< / pre >
< ul >
< li > < b > mkindex< / b > - Adds an attribute to the index of a volume/partition. < / li >
< / ul >
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< pre > Usage: mkindex [options] < attribute>
Creates a new index for the specified attribute.
-d, --volume=PATH a path on the volume to which the index will be added,
defaults to current volume.
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-t, --type=TYPE the type of the attribute being indexed. One of "int",
"llong", "string", "float", or "double".
Defaults to "string".
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--copy-from path to volume to copy the indexes from.
-v, --verbose print information about the index being created
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< / pre >
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< p > Only < b > new< / b > files with that attribute come automatically into the index!< br / >
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Existing files have to be added manually by copying them and deleting the originals after that. Alternatively you can use the command < span class = "cli" > reindex< / span > .
< / p >
< ul >
< li > < b > reindex< / b > - Puts the attributes of existing files into the newly created index of a volume/partition. < / li >
< / ul >
< pre > Usage: reindex [-rvf] attr < list of filenames and/or directories>
-r enter directories recursively
-v verbose output
-f create/update all indices from the source volume,
"attr" is the path to the source volume
< / pre >
< ul >
< li > < b > rmindex< / b > - Removes an attribute from the index of a volume/partition.< / li >
< / ul >
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< pre > Usage: rmindex [OPTION]... INDEX_NAME
Removes the index named INDEX_NAME from a disk volume. Once this has been
done, it will no longer be possible to use the query system to search for
files with the INDEX_NAME attribute.
-d, --volume=PATH a path on the volume from which the index will be
removed
-h, --help display this help and exit
-p, --pattern INDEX_NAME is a pattern
-v, --verbose print information about the index being removed
INDEX_NAME is the name of a file attribute.
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If no volume is specified, the volume of the current directory is assumed.< / pre >
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