On Fri 29/Jan/2016 08:12:28 +0100 Carl S. Gutekunst wrote:
The most common attachment types also are not compressible: PDF, JPEG,
pkzip.
I seem to worsen compression by ~102.5% on zip files, running something like:
for f in *.zip; do
os=$(stat -c %s $f)
vs=$(base64 < $f | gzip -c | wc -c)
printf '%-28s %10d %10d %8.2f%%\n' \
"$f" $os $vs "$(echo 100\*$vs/$os | bc -l)"
done | sort -rnk 2
Ale
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