Specification of input file name
The specification of the input filename is done as a first entry in file
keywords.in as follows:
!---------------------------------------------------!
$input_filename
optional !
input-filename
character
optional
!
$end_input_filename
optional !
!---------------------------------------------------!
input-filename has to be replaced by the real name of the input
file.
Example
!---------------------------------------------------!
$input_filename
optional !
input_file1.in
character
optional
! Reads in "input_file1.in".
! 1D_Quantum_well.in
character
optional
! "1D_Quantum_well.in" if the comment
sign "!" is removed.
$end_input_filename
optional !
!---------------------------------------------------!
A comment can be inserted by using "!".
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