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Description of problem:
If xzgrep founds match in only portion of tested files, it returns exitcode 1 where EC 0 is expected as it is default behaviour for grep.

Version-Release number of selected component (if applicable):
xz-4.999.9-0.4.beta.20091007git.el6.x86_64

How reproducible:
always

Steps to Reproduce:
1. echo test | tee test1 | tee test3; echo text > test2
2. xz -z test*
3. xzgrep -l test *.xz || echo fail

Actual results:
test1.xz:test
test3.xz:test
fail

Expected results:
test1.xz:test
test3.xz:test


Additional info:
-l is optional for reproducing

Thanks, this seems to be upstream problem, reported:
http://article.gmane.org/gmane.comp.compression.xz.devel/192

Fix pushed upstream:
http://git.tukaani.org/?p=xz.git;a=commitdiff;h=ceca379

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2014-0769.html