Test Files That Will Be Unzipped with gunzip

Test Files That Will Be Unzipped with gunzip

-t

Before gunzipping a file (or files) with gunzip, you might want to verify that they're going to gunzip correctly without any file corruption. To do this, use the -t (or --test) option.

$ gzip -t paradise_lost.txt.gz $ 

That's right: If nothing is wrong with the archive, gzip reports nothing back to you. If there's a problem, you'll know, but if there's not a problem, gzip is silent. That can be a bit disconcerting, but that's how Unix-based systems work. They're generally only noisy if there's an issue you should know about, not if everything is working as it should.