Re^3: Opens but Won't Write to file

Simplest, but costly. From the docs:

 use IO::Handle;    # thousands of lines just for autoflush :-(
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I think that comment originates from someone rather well respected within the perl community.

That could be avoided by a simple (untested):

sub autoflush{ my $old = select $_[ 0 ]; $|=1; select $old; }

...
autoflush $fh;
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Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.

"Science is about questioning the status quo. Questioning authority".

In the absence of evidence, opinion is indistinguishable from prejudice.