[R] Reading complicated data file

[zlamal@ufi.fme.vutbr.cz]

Hi, I am new in R and I have problem with reading this data file

0 TITLE Title
 0 XLEGEND Legend
-1 LABEL x
1 1 12
1 2 30
1 3 34

I want to read only lines starting with 1 (it indicates 1st plotting line) 
and create data set from second and third value on this row.

Thank for advice
Jakub Zlamal
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