sum_abs: READ VALUES=sum_abs FILE=Input-COLVAR IGNORE_FORCES

METAD ...
 ARG=sum_abs
 HEIGHT=0.4
 BIASFACTOR=25
 TEMP=300.0
 SIGMA=0.04
 GRID_MIN=-0.02 GRID_MAX=2.0 GRID_BIN=200
 #FMT=%12.5f
 LABEL=MetaD
 FREQUENCY_ADAPTIVE
 PACE=2
 FA_MAX_PACE=8
 FA_UPDATE_FREQUENCY=2
 FA_MIN_ACCELERATION=2.0
 ACCELERATION
 FMT=%12.5f
... METAD

PRINT STRIDE=1 ARG=sum_abs,MetaD.bias,MetaD.acc,MetaD.pace FILE=COLVAR FMT=%8.4f

