this post was submitted on 27 Sep 2024
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Showerthoughts
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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The best ones are thoughts that many people can relate to and they find something funny or interesting in regular stuff.
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AKA “Why zip doesn’t compress things much any more”.
I see images, audio, or video files distributed in zips far too often. You're getting maybe a percent of compression if you're lucky; just distribute the raw files or use a non-compressed bundle format like tar.
But then,
tar -xzvf filename
With a bad pretend accent:
Xtract
Zee
Vucking
File
The cheeky option:
Or is it
tar --help? Oh no...tar -cf stop-nuke.tar
?
Zipping a file repeatedly typically doesn’t reduce the size further after the first time.
Yeah duoy you [realistically] can't compress compressed data...
Not sure what the original point was but curiously I happened to use
fileon a an Apple.numbersfile recently and found that it was a.zipfile in disguise with zero compression.So maybe the point was that it’s used often as a container format more often than it’s used for compression? Just my (unrelated) general computer work would also suggest this.
My 1.5gb log folders disagrees. But I never tried opening a .txt in 7-zip.