input_unit_exist Function

function input_unit_exist(nml, exist)

This function checks whether a unit number exists. It is taken from the AstroGK code.

Arguments

Type	Intent	Optional	Attributes		Name
character(len=*),	intent(in)			::	nml	Namelist identifier.
logical,	intent(out)			::	exist	Flags whether input unit exists.

Return Value integer

Unit number.