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program file_33
implicit none
integer :: unit_no, iostat
character(len=100) :: filename, form, status, iomsg
filename = 'file_33_data.txt'
form = 'formatted '
status = 'replace'
open(newunit=unit_no, file=filename, form=form, status=status, iostat=iostat, iomsg=iomsg)
if (iostat /= 0) error stop iomsg
close(unit_no)
form = 'formatted'
status = 'replace '
open(newunit=unit_no, file=filename, form=form, status=status, iostat=iostat, iomsg=iomsg)
if (iostat /= 0) error stop iomsg
close(unit_no)
end program file_33
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