[Zutils-bug] zgrep 1.6 with -q option exits with wrong code when using wildcards

[Michele Giacomoli]

Hi

Just found that zgrep in Ubuntu 16.04 (version 1.6-4ubuntu1) exits with 
wrong code when using -q option and searching in multiple files using 
"*" wildcard.

More in detail: if at least one of the files matched by the wildcard 
doesn't contain the text you are looking for, the exit code is 1, while 
it should be 0. If all the files matched by the wildcard contain the 
text, then it correctly exits with code 0.

grep seems not to be affected by this bug.

Best Regards

Michele Giacomoli

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