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   Indexing is performed either by the recollindex program, or by the
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   Indexing is performed either by the recollindex program, or by the
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   indexing thread inside the recoll program (use the File menu). Both
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   indexing thread inside the recoll program (use the File menu). Both
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   programs will use the RECOLL_CONFDIR variable or accept a -c confdir
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   programs will use the RECOLL_CONFDIR variable or accept a -c confdir
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   option to specify a non-default configuration directory.
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   option to specify a non-default configuration directory.
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   Reasons to use either the indexing thread or the recollindex command:
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     * Starting the indexing thread is more convenient, being just one click
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       away.
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     * The recollindex command has more options, especially the one to reset
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       the index (-z).
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     * The recollindex command will not take down your GUI if it crashes (a
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       rare occurrence, but who knows...)
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     * The recollindex command uses setpriority/nice to lower its priority
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       while indexing (it will also use ionice when this becomes more widely
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       available), the thread can't do it, else it would also slow down the
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       user/search interface.
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   I'll let the reader decide where my heart belongs...
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   If the recoll program finds no index when it starts, it will automatically
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   If the recoll program finds no index when it starts, it will automatically
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   start indexing (except if canceled).
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   start indexing (except if canceled).
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   The indexing process can be interrupted by sending an interrupt (^C,
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   The recollindex indexing process can be interrupted by sending an
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   SIGINT) or terminate (SIGTERM) signal. Some time may elapse before the
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   interrupt (^C, SIGINT) or terminate (SIGTERM) signal. Some time may elapse
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   process exits, because it needs to properly flush and close the index.
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   before the process exits, because it needs to properly flush and close the
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   index. The indexing thread can be equivalently stopped from the menu.
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   After such an interruption, the index will be somewhat inconsistent
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   After such an interruption, the index will be somewhat inconsistent
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   because some operations which are normally performed at the end of the
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   because some operations which are normally performed at the end of the
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   indexing pass will have been skipped (for exemple, the stemming and
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   indexing pass will have been skipped (for exemple, the stemming and
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   spelling databases will be inexistant or out of date). You just need to
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   spelling databases will be inexistant or out of date). You just need to
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   You can display successive or previous documents from the result list
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   You can display successive or previous documents from the result list
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   inside a preview tab by typing Shift+Down or Shift+Up (Down and Up are the
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   inside a preview tab by typing Shift+Down or Shift+Up (Down and Up are the
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   arrow keys).
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   arrow keys).
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   The preview tabs have an internal incremental search function. You
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   The preview tabs have an internal incremental search function. You
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   initiate the search either by typing a / (slash) inside the text area or
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   initiate the search either by typing a / (slash) or CTL-F inside the text
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   by clicking into the Search for: text field and entering the search
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   area or by clicking into the Search for: text field and entering the
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   string. You can then use the Next and Previous buttons to find the
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   search string. You can then use the Next and Previous buttons to find the
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   next/previous occurrence. You can also type F3 inside the text area to get
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   next/previous occurrence. You can also type F3 inside the text area to get
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   to the next occurrence.
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   to the next occurrence.
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   If you have a search string entered and you use ^Up/^Down to browse the
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   If you have a search string entered and you use ^Up/^Down to browse the
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   results, the search is initiated for each successive document. If the
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   results, the search is initiated for each successive document. If the