.. _config_ref paths:

``paths``
=========

Allows user to specify paths for certain resources, including external applications.  By default, ``pestifer``
expects that all external applications are already in the user's PATH.  If not, this attribute should be used
to specify the paths to these applications.


Single-valued attributes:

  * ``namd2``: Path for namd2 executable (default: namd2)

  * ``namd3``: Path for namd3 executable, CPU version (default: namd3)

  * ``namd3gpu``: Path for namd3 executable, GPU version; this must be different from the path for the CPU version if both are to be used in a single Pestifer build (default: namd3gpu)

  * ``charmrun``: Path for charmrun executable (default: charmrun)

  * ``vmd``: Path for vmd executable (default: vmd)

  * ``packmol``: Path to packmol executable (default: packmol)

  * ``catdcd``: Path to catdcd executable (default: catdcd)



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