# load example rvi file
ff <- system.file("extdata","Nith.rvi", package="RavenR")
tf <- tempfile(fileext=".rvi")
rvn_rvi_commandupdate(filename=ff,
command=":StartDate",
value="2022-10-01 00:00:00",
outputfile=tf)
Run the code above in your browser using DataLab