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Diffstat (limited to 'captain/uuid.f90')
| -rw-r--r-- | captain/uuid.f90 | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/captain/uuid.f90 b/captain/uuid.f90 new file mode 100644 index 0000000..1b2d882 --- /dev/null +++ b/captain/uuid.f90 @@ -0,0 +1,36 @@ +module m_uuid +implicit none + + integer, parameter::UUID_LENGTH = 36 + + character(len=*), parameter::UUID_GENERATOR = "uuidgen" + +contains + + function generate_uuid4() result(uuid) + use utilities + implicit none + + character(len=:), pointer::tempfile + character(len=UUID_LENGTH)::uuid + + character(len=5)::fmt + + integer::unum + + tempfile => generate_temporary_filename() + + call execute_command_line(UUID_GENERATOR//" > "//trim(tempfile), wait=.true.) + + open(newunit=unum, action="read", file=tempfile, status="old") + write(fmt, '(I3)') UUID_LENGTH + fmt = "(A"//trim(adjustl(fmt))//")" + read(unum, fmt) uuid + close(unum) + call unlink(tempfile) + + deallocate(tempfile) + + end function generate_uuid4 + +end module m_uuid
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