To open your file for appending you'll need to use something like:
open(FILE,">>$write_file")
or die "file '$write_file' could not be opened for update: $!";
</code>
I added the filename to the error message along with '$!' which is the OS level error. It can be very helpful for
tracking down why your open failed.
See open for more details.
Update: lemming points out that $write_file might already contain the '>>', i.e. $write_file = '>>/my/filename' In that case, adding an extra '>>' would be superfluous and incorrect.... w/o more code, we can't tell one way or the other.
-Blake
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