write_file Subroutine

public subroutine write_file(file, lines, form, iostat, iomsg)

Write a single string stream into file.

 type(string)              :: astring
 type(string)              :: anotherstring
 type(string), allocatable :: strings(:)
 type(string)              :: line(3)
 integer                   :: iostat
 character(len=99)         :: iomsg
 integer                   :: scratch
 integer                   :: l
 logical                   :: test_passed(8)
 line(1) = ' Hello World!   '
 line(2) = 'How are you?  '
 line(3) = '   All say: "Fine thanks"'
 anotherstring = anotherstring%join(array=line, sep=new_line('a'))
 call write_file(file='write_file_test.tmp', lines=line, iostat=iostat, iomsg=iomsg)
 call astring%read_file(file='write_file_test.tmp', iostat=iostat, iomsg=iomsg)
 call astring%split(tokens=strings, sep=new_line('a'))
 test_passed(1) = (size(strings, dim=1)==size(line, dim=1))
 do l=1, size(strings, dim=1)
   test_passed(l+1) = (strings(l)==line(l))
 enddo
 call write_file(file='write_file_test.tmp', lines=line, form='unformatted', iostat=iostat, iomsg=iomsg)
 call astring%read_file(file='write_file_test.tmp', form='unformatted', iostat=iostat, iomsg=iomsg)
 call astring%split(tokens=strings, sep=new_line('a'))
 test_passed(5) = (size(strings, dim=1)==size(line, dim=1))
 do l=1, size(strings, dim=1)
   test_passed(l+5) = (strings(l)==line(l))
 enddo
 open(newunit=scratch, file='write_file_test.tmp')
 close(scratch, status='DELETE')
 print '(L1)', all(test_passed)

Arguments

Type IntentOptional Attributes Name
character(len=*), intent(in) :: file

File name.
type(string), intent(in) :: lines(1:)

The lines.
character(len=*), intent(in), optional :: form

Format of unit.
integer, intent(out), optional :: iostat

IO status code.
character(len=*), intent(inout), optional :: iomsg

IO status message.

Calls

proc~~write_file~~CallsGraph proc~write_file stringifor::write_file chars chars proc~write_file->chars proc~write_lines stringifor::write_lines proc~write_file->proc~write_lines upper upper proc~write_file->upper

Called by

proc~~write_file~~CalledByGraph proc~write_file stringifor::write_file program~stringifor_test_csv_naive_parser stringifor_test_csv_naive_parser program~stringifor_test_csv_naive_parser->proc~write_file program~volatile_doctest~111 volatile_doctest program~volatile_doctest~111->proc~write_file

Contents

Source Code

write_file

Source Code

   subroutine write_file(file, lines, form, iostat, iomsg)
   !< Write a single string stream into file.
   !<
   !< @note For unformatted read only `access='stream'` is supported with new_line as line terminator.
   !<
   !<```fortran
   !< type(string)              :: astring
   !< type(string)              :: anotherstring
   !< type(string), allocatable :: strings(:)
   !< type(string)              :: line(3)
   !< integer                   :: iostat
   !< character(len=99)         :: iomsg
   !< integer                   :: scratch
   !< integer                   :: l
   !< logical                   :: test_passed(8)
   !< line(1) = ' Hello World!   '
   !< line(2) = 'How are you?  '
   !< line(3) = '   All say: "Fine thanks"'
   !< anotherstring = anotherstring%join(array=line, sep=new_line('a'))
   !< call write_file(file='write_file_test.tmp', lines=line, iostat=iostat, iomsg=iomsg)
   !< call astring%read_file(file='write_file_test.tmp', iostat=iostat, iomsg=iomsg)
   !< call astring%split(tokens=strings, sep=new_line('a'))
   !< test_passed(1) = (size(strings, dim=1)==size(line, dim=1))
   !< do l=1, size(strings, dim=1)
   !<   test_passed(l+1) = (strings(l)==line(l))
   !< enddo
   !< call write_file(file='write_file_test.tmp', lines=line, form='unformatted', iostat=iostat, iomsg=iomsg)
   !< call astring%read_file(file='write_file_test.tmp', form='unformatted', iostat=iostat, iomsg=iomsg)
   !< call astring%split(tokens=strings, sep=new_line('a'))
   !< test_passed(5) = (size(strings, dim=1)==size(line, dim=1))
   !< do l=1, size(strings, dim=1)
   !<   test_passed(l+5) = (strings(l)==line(l))
   !< enddo
   !< open(newunit=scratch, file='write_file_test.tmp')
   !< close(scratch, status='DELETE')
   !< print '(L1)', all(test_passed)
   !<```
   !=> T <<<
   character(len=*), intent(in)              :: file      !< File name.
   type(string),     intent(in)              :: lines(1:) !< The lines.
   character(len=*), intent(in),    optional :: form      !< Format of unit.
   integer,          intent(out),   optional :: iostat    !< IO status code.
   character(len=*), intent(inout), optional :: iomsg     !< IO status message.
   type(string)                              :: form_     !< Format of unit, local variable.
   integer                                   :: iostat_   !< IO status code, local variable.
   character(len=:), allocatable             :: iomsg_    !< IO status message, local variable.
   integer                                   :: unit      !< Logical unit.

   iomsg_ = repeat(' ', 99) ; if (present(iomsg)) iomsg_ = iomsg
   form_ = 'FORMATTED' ; if (present(form)) form_ = form ; form_ = form_%upper()
   select case(form_%chars())
   case('FORMATTED')
      open(newunit=unit, file=file, action='WRITE', iomsg=iomsg_, iostat=iostat_, err=10)
   case('UNFORMATTED')
      open(newunit=unit, file=file, action='WRITE', form='UNFORMATTED', access='STREAM', iomsg=iomsg_, iostat=iostat_, err=10)
   endselect
   call write_lines(unit=unit, lines=lines, form=form, iomsg=iomsg_, iostat=iostat_)
   10 close(unit)
   if (present(iostat)) iostat = iostat_
   if (present(iomsg)) iomsg = iomsg_
   endsubroutine write_file