Syntax:

$ ./vartools -l EXAMPLES/lc_list -header \
    -rms

#Name Mean_Mag_0 RMS_0 Expected_RMS_0 Npoints_0
EXAMPLES/1  10.24745   0.15944   0.00101  3122
EXAMPLES/2  10.11802   0.03663   0.00102  3313
EXAMPLES/3  10.16674   0.00490   0.00104  3417
EXAMPLES/4  10.35142   0.00209   0.00114  3227
EXAMPLES/5  10.43962   0.00288   0.00114  3903
EXAMPLES/6  10.52762   0.00209   0.00121  3933
EXAMPLES/7  10.56966   0.00349   0.00116  3626
EXAMPLES/8  10.61152   0.00225   0.00125  3957
EXAMPLES/9  10.73139   0.00187   0.00133  3954
EXAMPLES/10  10.87781   0.00236   0.00143  3974

Calculate the mean magnitude, RMS and expected RMS based on the formal magnitude uncertainties for the light curves in EXAMPLES/lc_list.