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< h1 > Índice< / h1 >
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< p > < a href = "attributes.html" > Atributos< / a > e < a href = "queries.html" > Consultas< / a > são funcionalidades-chave do Haiku. Ao passo que os atributos são úteis por si mesmos, para mostrar informação adicional em um arquivo, para uma consulta, é necessário que eles sejam indexados. Ele os põe dentro de uma tabela de consulta, a qual por sua vez realiza consultas super rápidas.< br / >
O índice é parte do sistema de arquivos e é mantido por todo volume/partição separadamente.< / p >
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< h2 >
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Comandos de indexação no Terminal< / h2 >
< p > Existem vários comandos para gerenciar o índice:< / p >
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< ul >
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< li > < b > lsindex< / b > - Mostra os atributos indexados no volume/partição atual.< br / >
Estes são os atributos que são indexados por padrão:< / li >
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< / ul >
< pre class = "terminal" > ~ -> lsindex
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
< / pre >
< ul >
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< li > < b > mkindex< / b > - Adiciona um atributo ao índice de um volume/partição. < / li >
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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.
-t, --type=TYPE the type of the attribute being indexed. One of "int",
"llong", "string", "float", or "double".
Defaults to "string".
--copy-from path to volume to copy the indexes from.
-v, --verbose print information about the index being created
< / pre >
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< p > Somente < b > novos< / b > arquivos com aquele atributo vem automaticamente dentro do índice!< br / >
Arquivos existentes tem que ser adicionados manualmente ao copiá-los e eliminando os originais após isso. Alternativamente pode-se utilizar o comando < span class = "cli" > reindex< / span > .
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< / p >
< ul >
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< li > < b > reindex< / b > - Põe os atributos de arquivos existentes dentro do recém-criado índice de um volume/partição. < / li >
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< / 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 >
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< li > < b > rmindex< / b > - Remove um atributo de um índice de um volume/partição.< / li >
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< / ul >
< 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.
If no volume is specified, the volume of the current directory is assumed.< / pre >
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