ldate-plain.f

! ldate plain text only
! Copyright 2015-2022 Rivoreo

! Permission is hereby granted, free of charge, to any person obtaining
! a copy of this software and associated documentation files (the
! "Software"), to deal in the Software without restriction, including
! without limitation the rights to use, copy, modify, merge, publish,
! distribute, sublicense, and/or sell copies of the Software, and to
! permit persons to whom the Software is furnished to do so, subject to
! the following conditions:

! The above copyright notice and this permission notice shall be
! included in all copies or substantial portions of the Software.

! THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
! EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
! MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
! NONINFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE
! FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
! CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
! WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

      PROGRAM LDATE
       USE, INTRINSIC :: ISO_FORTRAN_ENV, ONLY : OUTPUT_UNIT
       USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_INT 
       IMPLICIT NONE
       INTERFACE
        SUBROUTINE USLEEP(USEC) BIND(C, NAME="usleep")
         IMPORT C_INT
         INTEGER(C_INT), VALUE :: USEC
        END SUBROUTINE
       END INTERFACE
       INTEGER,DIMENSION(8) :: DT
       DO
        CALL DATE_AND_TIME(VALUES=DT)
        WRITE (
     >    UNIT=OUTPUT_UNIT,
     >    FMT="(A,I5,A,I2.2,A,I2.2,A,I2.2,A,I2.2,A,I2.2)",
     >    ADVANCE="NO"
     >   ),
     >   13, DT(1), "-", DT(2), "-", DT(3),
     >   32, DT(5), ":", DT(6), ":", DT(7)
        FLUSH OUTPUT_UNIT
        CALL USLEEP((1000 - DT(8)) * 1000)
       END DO
      END PROGRAM