## Not run:
#
# #:::1.::: Replace precipitation with random number between 0 and 2.
# # First find out how many records there are:
# nrecords <- nrow(readmet("met.dat"))
#
# # Make new rain
# newrain <- runif(nrecords, 0, 2)
#
# # And replace
# replacemetvar("PPT",newrain,"met.dat", "newmet.dat")
#
#
# #:::2.::: Replace multiple weather variables.
# newtair <- runif(nrecords, 0, 35)
#
# # Have to make a matrix of the variables to be replaced:
# newmat <- matrix(cbind(newrain, newtair),ncol=2)
#
# # And give a vector of variable names --in the same order as in the matrix!!--.
# replacemetvar(c("PPT","TAIR"), newmat, "met.dat", "newmet.dat")
#
#
# ## End(Not run)
Run the code above in your browser using DataLab