I'm trying to write a filter to add a banner to some HTML pages.
I have used the following definition:
ExtFilterDefine rebootbanner mode=output \
intype=text/html outtype=text/html \
cmd="add_banner.sh"
The script contents boil down to:
echo header
cat
echo footer
This works fine for some pages, however other pages fail to display in
a browser.
Turns out that the issue is that the input to the filter is sometimes gzipped.
The header causes issues for the browser display.
How can I ensure that the filter is run before the output is gzipped?
Alternatively, how can I detect when the input is not in plain text so
I can skip the banner?
Sebb.
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