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                             3.1.1. Simple search
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                             3.1.1. Simple search
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                             3.1.2. The default result list
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                             3.1.2. The default result list
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                             3.1.3. The alternate result table
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                             3.1.3. The result table
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                             3.1.4. The preview window
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                             3.1.4. The preview window
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                             3.1.5. Complex/advanced search
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                             3.1.5. Complex/advanced search
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   this case. In other cases, the Open option makes sense, for exemple to
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   this case. In other cases, the Open option makes sense, for exemple to
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   start a chm viewer on the parent document for a help page.
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   start a chm viewer on the parent document for a help page.
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     ----------------------------------------------------------------------
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  3.1.3. The alternate result table
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  3.1.3. The result table
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   In Recoll 1.15 and newer, the results can now be shown in a
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   In Recoll 1.15 and newer, the results can be displayed in spreadsheet-like
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   spreadsheet-like display. You can switch to this presentation by clicking
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   fashion. You can switch to this presentation by clicking the table-like
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   the table-like icon in the toolbar (this is a toggle, click again to
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   icon in the toolbar (this is a toggle, click again to restore the list).
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   restore the list).
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   Clicking on the column headers will allow sorting by the values in the
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   Clicking on the column headers will allow sorting by the values in the
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   column. You can click again to invert the order, and use the header
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   column. You can click again to invert the order, and use the header
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   right-click menu to reset sorting to the default relevance order.
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   right-click menu to reset sorting to the default relevance order (you can
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   also use the sort-by-date arrows to do this).
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   Both the list and the table display the same underlying results. The sort
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   Both the list and the table display the same underlying results. The sort
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   order set from the table is still active if you switch back to the list
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   order set from the table is still active if you switch back to the list
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   mode. You can click twice on a date sort arrow to reset it from there.
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   mode. You can click twice on a date sort arrow to reset it from there.
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   Hovering over a table row will update the detail area at the bottom of the
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   Hovering over a table row will update the detail area at the bottom of the
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   window with the corresponding values. You can click the row to freeze the
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   window with the corresponding values. You can click the row to freeze the
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   display. The bottom area is equivalent to a classical result list
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   display. The bottom area is equivalent to a classical result list
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   paragraph, with links for starting a preview or a native application, and
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   paragraph, with links for starting a preview or a native application, and
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   an equivalent right-click menu.
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   an equivalent right-click menu. Typing Esc (the Escape key) will unfreeze
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   the display.
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     ----------------------------------------------------------------------
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  3.1.4. The preview window
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  3.1.4. The preview window
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       The state of the file type selection can be saved as the default (the
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       The state of the file type selection can be saved as the default (the
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       file type filter will not be activated at program start-up, but the
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       file type filter will not be activated at program start-up, but the
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       lists will be in the restored state).
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       lists will be in the restored state).
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     * The bottom part allows restricting the search results to a sub-tree of
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     * The bottom part allows restricting the search results to a sub-tree of
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       the indexed area. If you need to do this often, you may think of
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       the indexed area. You can use the Invert checkbox to search for files
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       not in the sub-tree instead. If you use directory filtering often and
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       on big subsets of the file system, you may think of setting up
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       setting up multiple indexes instead, as the performance will be much
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       multiple indexes instead, as the performance may be better.
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       better.
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   Phrases and Proximity searches. These two clauses work in similar ways,
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   Phrases and Proximity searches. These two clauses work in similar ways,
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   with the difference that proximity searches do not impose an order on the
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   with the difference that proximity searches do not impose an order on the
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   words. In both cases, an adjustable number (slack) of non-matched words
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   words. In both cases, an adjustable number (slack) of non-matched words
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   may be accepted between the searched ones (use the counter on the left to
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   may be accepted between the searched ones (use the counter on the left to
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     * ext specifies the file name extension (Ex: ext:html)
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     * ext specifies the file name extension (Ex: ext:html)
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   The field syntax also supports a few field-like, but special, criteria:
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   The field syntax also supports a few field-like, but special, criteria:
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     * dir for filtering the results on file location (Ex:
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     * dir for filtering the results on file location (Ex:
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       dir:/home/me/somedir). Please note that this is quite inefficient,
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       dir:/home/me/somedir). -dir also works to find results out of the
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       that it may produce very slow searches, and that it may be worth in
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       specified directory, only after release 1.16.
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       some cases to set up separate databases instead.
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     * date for searching or filtering on dates. The syntax for the argument
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     * date for searching or filtering on dates. The syntax for the argument
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       is based on the ISO8601 standard for dates and time intervals. Only
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       is based on the ISO8601 standard for dates and time intervals. Only
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       dates are supported, no times. The general syntax is 2 elements
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       dates are supported, no times. The general syntax is 2 elements
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       separated by a / character. Each element can be a date or a period of
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       separated by a / character. Each element can be a date or a period of
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     * type or rclcat for specifying the category (as in
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     * type or rclcat for specifying the category (as in
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       text/media/presentation/etc.). The classification of mime types in
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       text/media/presentation/etc.). The classification of mime types in
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       categories is defined in the Recoll configuration (mimeconf), and can
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       categories is defined in the Recoll configuration (mimeconf), and can
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       be modified or extended. The default category names are those which
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       be modified or extended. The default category names are those which
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       permit filtering results in the main GUI screen. Categories are OR'ed
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       permit filtering results in the main GUI screen. Categories are OR'ed
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       like mime types above.
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       like mime types above. This can't be negated with - either.
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   Words inside phrases and capitalized words are not stem-expanded.
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   Words inside phrases and capitalized words are not stem-expanded.
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   Wildcards may be used anywhere inside a term. Specifying a wild-card on
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   Wildcards may be used anywhere inside a term. Specifying a wild-card on
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   the left of a term can produce a very slow search (or even an incorrect
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   the left of a term can produce a very slow search (or even an incorrect
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   one if the expansion is truncated because of excessive size). Also see
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   one if the expansion is truncated because of excessive size). Also see
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   dependancy.
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   dependancy.
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   Please note that, due to the relatively dynamic nature of this
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   Please note that, due to the relatively dynamic nature of this
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   information, the most up to date version is now kept on the Recoll helper
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   information, the most up to date version is now kept on the Recoll helper
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   applications page along with links to the home pages or best
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   applications page along with links to the home pages or best
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   source/patches download links. The list below is not updated often and may
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   source/patches pages, and misc tips. The list below is not updated often
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   be quite stale.
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   and may be quite stale.
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   For many Linux distributions, most of the commands listed can be installed
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   For many Linux distributions, most of the commands listed can be installed
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   from the package repositories. However, the packages are sometimes
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   from the package repositories. However, the packages are sometimes
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   outdated, or not the best version for Recoll, so you should take a look at
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   outdated, or not the best version for Recoll, so you should take a look at
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   the Recoll helper applications page if a file type is important to you.
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   the Recoll helper applications page if a file type is important to you.
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     * MS Excel and PowerPoint need catdoc.
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     * MS Excel and PowerPoint need catdoc.
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     * MS Open XML (docx) needs xsltproc.
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     * MS Open XML (docx) needs xsltproc.
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     * Wordperfect files need wpd2html from the libwpd package.
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     * Wordperfect files need wpd2html from the libwpd (or libwpd-tools on
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       Ubuntu) package.
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     * RTF files need unrtf, which, in its standard version, has much trouble
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     * RTF files need unrtf, which, in its standard version, has much trouble
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       with non-western character sets. Check the Recoll helper applications
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       with non-western character sets. Check the Recoll helper applications
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       page.
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       page.
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       code.
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       code.
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     * Zip archives need Python (and the standard zipfile module).
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     * Zip archives need Python (and the standard zipfile module).
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     * Midi karaoke files need Python and the Midi module
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     * Midi karaoke files need Python and the Midi module
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     * Konqueror webarchive format with Python (uses the Tarfile module).
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     * mimehtml web archive format (support based on the mail filter, which
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       introduces some mild weirdness, but still usable).
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   Text, HTML, mail folders, and Scribus files are processed internally. Lyx
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   Text, HTML, mail folders, and Scribus files are processed internally. Lyx
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   is used to index Lyx files. Many filters need iconv and the standard sed
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   is used to index Lyx files. Many filters need iconv and the standard sed
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   and awk.
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   and awk.
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