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Utility functions for manipulating directories and directory
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way
(eg. some sub-path exists, but is a file rather than a directory).
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relative to
'base_dir'. 'base_dir' + the directory portion of
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exist, it is
created with 'mkpath()'. The end result of the copy is that
every
file in 'src' is copied to 'dst', and directories
under 'src' are
recursively copied to 'dst'. Return the list of files that
were
copied or might have been copied, using their output name. The
return value is unaffected by 'update' or
'dry_run': it is simply
the list of all files under 'src', with the names changed to
be
under 'dst'.
'preserve_mode' and 'preserve_times' are the same
as for
'copy_file'; note that they only apply to regular files, not
to
directories. If 'preserve_symlinks' is true, symlinks will
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copied as symlinks (on platforms that support them!); otherwise
(the default), the destination of the symlink will be copied.
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