Fix regex match for iostat output in zmstat-io - #79
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I have the same sda:Device: columns appearing in the counter list after an upgrade. iostat -V shows "sysstat version 11.2.0". |
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Pull request #64 fixed reading the output of iostat from version 11+, but it broke the output on systems running earlier versions of iostat.
On those now you can see a mismatch between the number of columns in the header and in the data section.
You can see columns in the header such as
sdb:Device:which should not appeear. That's fixed with the small regex correction in this PR.