[CMake] Best way to Generate String

[Aaron_Wright at selinc.com]

Is this the best way to generate a comment bar, such as this:

////////////////////////////////////////////////////////////////////////////////

or this:

--------------------------------------------------------------------------------

or this:

################################################################################

IF(OUTPUT_FILE_EXT MATCHES "^\\.h|\\.cpp$")
   SET(COMMENT_CHARACTER "/")
ELSEIF(OUTPUT_FILE_EXT MATCHES "^\\.sql$")
   SET(COMMENT_CHARACTER "-")
ELSEIF(OUTPUT_FILE_EXT MATCHES "^\\.nsi|\\.nsh$")
   SET(COMMENT_CHARACTER "#")
ELSE()
   MESSAGE(WARNING "Unknown file type")
ENDIF()

STRING(RANDOM LENGTH 80 ALPHABET "${COMMENT_CHARACTER}" COMMENT_BAR)

The only reason I ask is that is seems weird to use the STRING(RANDOM 
function to get this done.
-------------------------------------------------------------
Aaron Wright
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