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Old   April 11, 2002, 18:00
Default append data to a file
Wen Long
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Dear firends:

I got a problem with appending data to a existing file, how should I do with Fortran 77?

I'm using linux redhat 6.0, f77 as complier.

I wrote:


open(1,file='test.txt',status='old',position='appe nd')

write(1,*)'this is appended data'

write(1,*)'this is again appended data' close(1)



but it doesn't recognize 'append',

what's wrong?

Thanks for helping me out.

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Old   April 11, 2002, 20:45
Default Re: append data to a file
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try this... and make sure you do not use a rewind statement otherwise it will go back to the start of the file and effectively cancel the append command.

open(1,file='test.txt',status='unknown', access='append')
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