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If you open up a FileStream for writing and want to append to an existing
file then
FileStream class>>write:mode:
works as expected. However, if you want to append to a _binary_ file then
you have to use one of the following, to allow you to change the text/binary
argument.
FileStream class>>write:mode:check:text:
FileStream class>>write:mode:check:type:
The problem is that this ends up truncating the file as the check for the
#append mode that is done at the end of #write:mode:, which sets the file
pointer to the end of the file, is not performed by these two methods.
Regards
Ian
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