.. _section2.2:

2.2 - Filters and Special Characters in Queries
=================================

For Get-style actions (:ref:`-GD <GD>`, :ref:`-GC <GC>`), :ref:`Info options <section5>` are interpreted as query
filters. Four characters refine those filters; quote or escape them on the
command line so the shell does not consume them:

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   * - '!'
     - negate the match. Must appear immediately after the option name.
   * - '<'
     - less-than comparison against the next value.
   * - '>'
     - greater-than comparison against the next value.
   * - '<>'
     - range between the next two values (inclusive).

The combination "'!' '<' value" expresses 'greater than or equal to value'.



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