# \dontshow{
options(gmax.processes = 2)
# }
old.names <- gtrack.array.get_colnames("array_track")
new.names <- paste("modified", old.names, sep = "_")
gtrack.array.set_colnames("array_track", new.names)
gtrack.array.get_colnames("array_track")
gtrack.array.set_colnames("array_track", old.names)
gtrack.array.get_colnames("array_track")
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